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Diagnostic Trouble Code (DTC) List Vehicle

This master DTC list includes all applicable DTCs in alphanumeric order with descriptors. The GM LAN modules on this vehicle also support DTC Symptom information. Refer to DTC Symptom Description for additional information on DTC Symptoms. DTC B0004 DTC Descriptor Vehicle Speed Information Circuit Open Module That Sets the DTC Navigation Radio SDM Diagnostic Procedure DTC B0004 DTC B0012, B0013, B0014, B0016, B0017, or B0018 DTC B0012, B0013, B0014, B0016, B0017, or B0018 DTC B0012, B0013, B0014, B0016, B0017, or B0018 DTC B0012, B0013, B0014, B0016, B0017, or B0018 DTC B0012, B0013, B0014, B0016, B0017, or B0018 DTC B0012, B0013, B0014, B0016, B0017, or B0018 DTC B0022, B0024, B0026, B0042, B0043, or B0044 DTC B0022, B0024, B0026, B0042, B0043, or B0044 DTC B0022, B0024, B0026, B0042, B0043,

Passenger Frontal B0012 Deployment Loop Stage 2 Resistance Low Passenger Frontal B0013 Deployment Loop Stage 2 Open Passenger Frontal B0014 Deployment Loop Stage 2 Voltage Out of Range Passenger Frontal B0016 Deployment Loop Stage 1 Resistance Low Passenger Frontal B0017 Deployment Loop Stage 1 Open Passenger Frontal B0018 Deployment Loop Stage 1 Voltage Out of Range

SDM

SDM

SDM

SDM

SDM

Driver Frontal Deployment B0022 Loop Stage 1 Resistance SDM Low Driver Frontal Deployment B0024 Loop Stage 1 Voltage Out SDM of Range B0026 Driver Frontal Deployment SDM Loop Stage 1 Open

or B0044 Driver Frontal Deployment B0042 Loop Stage 2 Resistance SDM Low Driver Frontal Deployment B0043 Loop Stage 2 Voltage Out SDM of Range B0044 Driver Frontal Deployment SDM Loop Stage 2 Open SDM SDM SDM SDM SDM DTC B0022, B0024, B0026, B0042, B0043, or B0044 DTC B0022, B0024, B0026, B0042, B0043, or B0044 DTC B0022, B0024, B0026, B0042, B0043, or B0044 DTC B0051 DTC B0053 DTC B0057, B0058, or B0059 DTC B0057, B0058, or B0059 DTC B0057, B0058, or B0059 DTC B0061, B0062, or B0068 DTC B0061, B0062, or B0068 DTC B0064, B0065, or B0066 DTC B0064, B0065, or B0066 DTC B0064, B0065, or B0066 DTC B0061, B0062, or B0068 DTC B0069, B0070, or B0071

B0051 Deployment Commanded B0053 Deployment Commanded With Loop DTCs Present

Passenger Pretensioner B0057 Deployment Loop Resistance Low B0058 Passenger Pretensioner Deployment Loop Open

Passenger Pretensioner B0059 Deployment Loop Voltage Out of Range Driver Roof Rail B0061 Deployment Loop Resistance Low Driver Roof Rail B0062 Deployment Loop Resistance Low Driver Pretensioner B0064 Deployment Loop Resistance Low B0065 Driver Pretensioner Deployment Loop Open

SDM

SDM

SDM SDM SDM

Driver Pretensioner B0066 Deployment Loop Voltage Out of Range Driver Pretensioner B0068 Deployment Loop Voltage Out of Range Passenger Roof Rail B0069 Deployment Loop Resistance Low

SDM

SDM

B0070

Passenger Roof Rail Deployment Loop Open

SDM SDM

DTC B0069, B0070, or B0071 DTC B0069, B0070, or B0071 DTC B0077, B0078, B0079, B0080, B0081, or B0082 DTC B0077, B0078, B0079, B0080, B0081, or B0082 DTC B0077, B0078, B0079, B0080, B0081, or B0082 DTC B0077, B0078, B0079, B0080, B0081, or B0082 DTC B0077, B0078, B0079, B0080, B0081, or B0082 DTC B0077, B0078, B0079, B0080, B0081, or B0082 DTC B0083 or B0084 DTC B0083 or B0084 DTC B0092 DTC B0098 DTC B0100, B0101, B0102, B0103, B0104, or B0105 DTC B0100, B0101, B0102, B0103, B0104, or B0105 DTC B0100, B0101, B0102, B0103, B0104, or B0105 DTC B0100, B0101,

Passenger Roof Rail B0071 Deployment Loop Voltage Out of Range B0077 Driver Side Impact Sensor (SIS) Performance Passenger Side Impact Sensor (SIS) Performance

SDM

B0078

SDM

Incorrect Driver Side Impact B0079 SDM Sensor (SIS) Installed B0080 Discard Driver Side Impact SDM Sensor (SIS) SDM

Incorrect Passenger Side B0081 Impact Sensor (SIS) Installed B0082 B0083 B0084 B0092 B0098 Discard Passenger Side Impact Sensor (SIS) Passenger Seat Position Sensor Circuit

SDM SDM

Driver Seat Position Sensor SDM Circuit Passenger Presence System SDM Performance Passenger Presence System SDM Configuration Error

Electronic Front End Sensor B0100 SDM 1 Performance B0101 Discard Electronic Front End Sensor 1 SDM

Incorrect Electronic Front B0102 End Sensor 1 Installed

SDM

B0103 Electronic Front End Sensor SDM

2 Performance Discard Electronic Front End Sensor 2 Incorrect Electronic Front End Sensor 2 Installed

B0102, B0103, B0104, or B0105 SDM DTC B0100, B0101, B0102, B0103, B0104, or B0105 DTC B0100, B0101, B0102, B0103, B0104, or B0105 DTC B0145, B0428, or B3531 with CJ2

B0104

B0105

SDM

B0145

Air Flow Position Command 3 Circuit

Auxiliary HVAC Control or Module DTC B0145, B0428, or B3531 with CJ3

Outside Air Temperature B0159 Sensor Circuit Range/Performance

HVAC Control Module

DTC B0159 or B0164

Passenger Compartment B0164 Temperature Sensor Circuit HVAC Control Module Range/Performance Output Air Temperature B0174 Sensor 1 Circuit Range/Performance Output Air Temperature B0179 Sensor 2 Circuit Range/Performance B0183 Solar Load Sensor Circuit Recirculate Position B0229 Feedback Circuit Range/Performance HVAC Control Module

DTC B0159 or B0164 DTC B0174, B0179, B0510, or B0515 DTC B0174, B0179, B0510, or B0515 DTC B0183 or B0188 DTC B0183 or B0188 DTC B0229, B0414, B0424, B3761, or B3770 DTC B0248, B0263, B0268, B0408, or B0418 with CJ2

HVAC Control Module BCM

B0188 Solar Load Sensor 2 Circuit BCM HVAC Control Module

B0248 Air Flow Control 3 Circuit

HVAC Control Module

or DTC B0248, B0263, B0408, or B0418 with CJ3

B0263 Air Flow Control 6 Circuit

HVAC Control Module

DTC B0248, B0263,

B0268, B0408, or B0418 with CJ2 or DTC B0248, B0263, B0408, or B0418 with CJ3 B0268 Air Flow Control 7 Circuit HVAC Control Module DTC B0248, B0263, B0268, B0408, or B0418 DTC B0283 DTC B0248, B0263, B0268, B0408, or B0418 with CJ2 B0408 Temperature Control 1 Circuit HVAC Control Module or DTC B0248, B0263, B0408, or B0418 with CJ3 DTC B0229, B0414, B0424, B3761, or B3770 with CJ2 Temperature Control 1 B0414 Feedback Circuit Range/Performance HVAC Control Module or DTC B0414, B0424, B3761, or B3770 with CJ3 DTC B0248, B0263, B0268, B0408, or B0418 with CJ2 B0418 Temperature Control 2 Circuit HVAC Control Module or DTC B0248, B0263, B0408, or B0418 with CJ3 Temperature Control 2 B0424 Feedback Circuit Range/Performance HVAC Control Module DTC B0229, B0414, B0424, B3761, or B3770 with CJ2

B0283 Electric Rear Defrost Circuit LGM

or DTC B0414, B0424, B3761, or B3770 with CJ3 DTC B0145, B0428, or B3531 with CJ2 B0428 Temperature Control 3 Circuit Auxiliary HVAC Control or Module DTC B0145, B0428, or B3531 with CJ3 Output Air Temperature B0510 Sensor 3 Circuit Range/Performance Output Air Temperature B0515 Sensor 4 Circuit Range/Performance B0540 Speedometer Circuit B0560 Tachometer Circuit All Wheel Drive (AWD) B0770 Indicator Circuit Malfunction Four Wheel Drive High B0775 Range (4HI) Indicator Circuit Malfunction Four Wheel Drive Low B0780 Range (4LO) Indicator Circuit Malfunction Two Wheel Drive High B0785 Range (2HI) Indicator Circuit Malfunction Transfer Case Neutral B0790 Indicator Circuit Malfunction B0951 Headlamps On Indicator Circuit Electronic Control Unit (ECU) Performance HVAC Control Module DTC B0174, B0179, B0510, or B0515 DTC B0174, B0179, B0510, or B0515 DTC B0540 DTC B0560 DTC B0770

HVAC Control Module IPC IPC ATC

ATC

DTC B0775

ATC

DTC B0780

ATC

DTC B0785

ATC BCM

DTC B0790 DTC B0951

B1000

Audio Amplifier, BCM, DDM, DSM, DVD Player, DTC B1000 EGM, FPDM, HVAC Control Module, HVAC Control Module -

Auxiliary, LGM, IPC, PRM, Radio, SDM, VCIM, VTD B1001 Option Configuration Error B1004 SDM VCIM DTC B1001 DTC B1001 DTC B1004 DTC B1007 DTC B1009 DTC B1017 or B3970 DTC B1017 or B3970 DTC B1023 DTC B1025, B1035, B1045, or B1055 DTC B1025, B1035, B1045, or B1055 DTC B1025, B1035, B1045, or B1055 DTC B1025, B1035, B1045, or B1055 DTC B1259 DTC B1271 DTC B1372 DTC B1375 with CJ2 B1375 Device Ignition 3 Circuit HVAC Control Module or DTC B1375 with CJ3 B1397 B1440 B1477 B1480 Device Voltage Reference Output Circuit Low Power Mode Master Input Circuits Mismatch Retained Accessory Power Circuit Low BCM BCM BCM DTC B1397 DTC B1440 DTC B1477 DTC B1480 DTC B1530

Keep Alive Memory (KAM) OnStar® VCIM Reset OnStar® VCIM, VTD OnStar® VCIM, VTD DDM, PDM LGM EEPROM Checksum Mismatch Output Driver Module Performance

B1007 EEPROM Write Error B1009 B1017

B1023 Integral Switch Performance DDM, PDM B1025 Audio Output 1 Circuit B1035 Audio Output 2 Circuit B1045 Audio Output 3 Circuit B1055 Audio Output 4 Circuit B1259 Antenna Ground Circuit B1271 Theft Locked B1372 Device Ignition 1 Circuit Low Radio Radio Radio Radio DRR Navigation Radio IPC

Battery Rundown Protection BCM Circuit

B1530 Discard Passenger Presence SDM

System 1 B1550 B1720 B1721 B1723 B1724 Mirror Left Front or Right Front Select Switch Circuit Mirror Up and Down Control Switch Circuit Mirror Left and Right Control Switch Circuit Mirror Motor Control Circuit 1 Performance Mirror Motor Control Circuit 2 Performance DDM, PDM DDM, PDM DDM, PDM DDM, PDM DDM, PDM DTC B1550 DTC B1720 DTC B1721 DTC B1723 DTC B1724 DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, or B1820 DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, or B1820 DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, or B1820 DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, or B1820 DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, or B1820 DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, or B1820 DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, or B1820 DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, or

Driver Seat Front Up Switch B1735 DSM Circuit

Driver Seat Front Down B1740 Switch Circuit

DSM

Driver Seat Rear Up Switch B1745 DSM Circuit

B1750

Driver Seat Rear Down Switch Circuit

DSM

B1755

Driver Seat Assembly Forward Switch Circuit

DSM

B1760

Driver Seat Assembly Rearward Switch Circuit

DSM

B1815

Driver Seat Recline Forward DSM Switch Circuit

Driver Seat Recline B1820 Rearward Switch Circuit

DSM

B1820 B1825 B1830 B1835 B1840 Driver Seat Recline Position DSM Sensor Circuit Driver Seat Lumbar Forward Switch Circuit Driver Seat Lumbar Rearward Switch Circuit Driver Seat Lumbar Up Switch Circuit DSM DSM DSM DSM DTC B1825, B1850, B1860, B2355, B2365, or B2375 DTC B1830, B1835, B1840 or B1845 DTC B1830, B1835, B1840 or B1845 DTC B1830, B1835, B1840 or B1845 DTC B1825, B1850, B1860, B2355, B2365, or B2375 DTC B1825, B1850, B1860, B2355, B2365, or B2375 DTC B1825, B1850, B1860, B2355, B2365, or B2375 DTC B1825, B1850, B1860, B2355, B2365, or B2375 DTC B2425 or B2430 DTC B2425 or B2430 DTC B2435 or B2440 DTC B2435 or B2440 DTC B2455 DTC B2462 DTC B2470 DTC B2476 DTC B2482 DTC B2483 or B2484

Driver Seat Lumbar B1850 Horizontal Position Sensor Circuit B2355 Driver Seat Front Vertical Position Sensor Circuit

DSM

Driver Seat Rear Vertical B2365 Position Sensor Circuit Driver Seat Assembly B2375 Horizontal Position Sensor Circuit B2425 Driver Seat Heater Circuit B2430 B2435 B2440 B2455 B2462 B2470 B2476 B2482 Passenger Seat Heater Circuit Driver Seat Back Heater Sensor Circuit

DSM

DSM DSM DSM DSM

Passenger Seat Back Heater DSM Sensor Circuit Cellular Phone Microphone OnStar® VCIM Circuit Global Positioning System (GPS) Signal Error Cellular Phone Antenna Circuit Navigation Radio OnStar® VCIM

Cellular Phone Select OnStar® VCIM Service Switch Malfunction Cellular Phone Select OnStar® VCIM Switch Range/Performance OnStar® VCIM

B2483 Global Positioning System

(GPS) Sensor Circuit Low B2484 Global Positioning System (GPS) Sensor Circuit Open Front Foglamps Control Circuit Rear Foglamps Control Circuit Backup Lamps Control Circuit Headlamp High Beam Control Circuit Passenger Compartment Dimming 1 Circuit Passenger Compartment Dimming 2 Circuit OnStar® VCIM DTC B2483 or B2484 DTC B2527 DTC B2530 DTC B2540 DTC B2550 DTC B2575 DTC B2580 DTC B2585 DTC B2610 DTC B2615 DTC B2620

B2527 Front Foglamps Circuit Low BCM B2530 B2540 B2550 BCM BCM BCM BCM BCM BCM BCM BCM BCM

B2575 Headlamp Control Circuit B2580

B2585 Park Lamp Control Circuit B2610 B2615

Display Dimming Pulse B2620 Width Modulation (PWM) Input Circuit Display Dimming Pulse B2625 Width Modulation (PWM) Output Circuit B2645 B2697 Ambient Light Sensor Circuit Headlamp Washer Request Circuit

BCM BCM BCM

DTC B2625 DTC B2645 DTC B2697 DTC B2725 DTC B2734 · DTC B2815 · DTC B2815 · DTC B2815

Active Transfer Case (ATC) B2725 Mode Switch Circuit ATC Malfunction B2734 Check Sum Error Steering Wheel Controls B2815 Illegal Resistance Value B2945 B2955 Security System Sensor Power Circuit Security System Sensor Data Circuit VTD BCM

BCM BCM

DTC B2945 DTC B2955

B2960

Security System Sensor Data Incorrect but Valid Security System Controller In Learn Mode Security System Indicates Tamper

BCM IPC VTD BCM

DTC B2960 DTC B2961 DTC B3031 DTC B3033 DTC B3055 DTC B3060 DTC B0145, B0428, or B3531 with CJ2

B2961 Key In Ignition Circuit B3031 B3033 B3055

No Transponder Modulation VTD or No Transponder VTD

Unprogrammed B3060 Transponder Identification Code Received

B3531 Air Flow Control 10 Circuit

Auxiliary HVAC Control or Module DTC B0145, B0428, or B3531 with CJ3

B3606 B3607

Adjustable Foot Pedal Position Sensor Circuit Adjustable Foot Pedal Motor Circuit

Driver Seat Module Driver Seat Module

DTC B3606 DTC B3607 DTC B0229, B0414, B0424, B3761, or B3770 with CJ2

B3761

Air Flow Control 3 Feedback Circuit

HVAC Control Module

or DTC B0414, B0424, B3761, or B3770 with CJ3 DTC B0229, B0414, B0424, B3761, or B3770 with CJ2

B3770

Air Flow Control 6 Feedback Circuit

HVAC Control Module

or DTC B0414, B0424, B3761, or B3770 with CJ3

B3801 Passenger Compartment

BCM

DTC B3801

Lamp Request Circuit B3802 Parklamp Request Circuit B3808 B3809 B3810 Rear Door Lock Relay Circuit Rear Door Unlock Relay Circuit Headlamp Washer Relay Circuit Left Rear Window Up Control Circuit Left Rear Window Down Control Circuit Left Rear Window Relay Power Circuit Right Rear Window Up Control Circuit Right Rear Window Down Control Circuit Right Rear Window Relay Power Circuit Rollover Sensor Performance BCM BCM BCM BCM BCM BCM BCM BCM BCM BCM BCM SDM SDM SDM DTC B3802 DTC B3808 DTC B3809 DTC B3810 or B3811 DTC B3810 or B3811 DTC B3819 DTC B3820 DTC B3821 DTC B3822 DTC B3823 DTC B3824 DTC B3855, B3856, or B3857 DTC B3855, B3856, or B3857 DTC B3855, B3856, or B3857 DTC B3935 DTC B1017 or B3970 DTC C0035 or C0040 DTC C0035 or C0040 DTC C0045 or C0050 DTC C0045 or C0050 DTC C0110

B3811 Rear Washer Relay Circuit B3819 B3820 B3821 B3822 B3823 B3824 B3855

B3856 Discard Rollover Sensor B3857 B3935 Incorrect Rollover Sensor Installed

Transponder Authentication VTD Error LGM EBCM EBCM EBCM EBCM EBCM Left Front Wheel Speed Sensor Circuit Right Front Wheel Speed Sensor Circuit Left Rear Wheel Speed Sensor Circuit Right Rear Wheel Speed Sensor Circuit

B3970 Rear Wiper Motor Circuit C0035 C0040 C0045 C0050

C0110 Pump Motor Circuit

Antilock Brake System (ABS)/Traction Control C0131 System (TCS) Pressure Circuit

EBCM

DTC C0131

Antilock Brake System C0161 (ABS) / Traction Control EBCM System (TCS) Brake Switch C0186 Lateral Accelerometer Circuit EBCM EBCM EBCM EBCM

DTC C0161 DTC C0186 DTC C0196 DTC C0201 DTC C0240 DTC C0241 or P0856 DTC C0244 or P1689 DTC C0245 DTC C0267 DTC C0283 DTC C0287 DTC C0290 or C0292 DTC C0290 or C0292 DTC C0300 for the NVG 126-NP4 transfer case

C0196 Yaw Rate Circuit Antilock Brake System C0201 (ABS) Enable Relay Contact Circuit C0240 EBCM Malfunction

Powertrain Control Module C0241 (PCM) Indicated Requested EBCM Torque Malfunction C0244 C0245 Pulse Width Modulated (PWM) Delivered Torque Wheel Speed Sensor Frequency Error Mode Switch Circuit Malfunction EBCM EBCM EBCM EBCM

C0267 Pump Motor Circuit Open C0283 C0287 C0290 C0292

Longitudinal Accelerometer EBCM Circuit Malfunction Class 2 Data Link Malfunction Lost Communications with Engine Control System EBCM EBCM

C0300

Rear Propshaft Speed Sensor Malfunction

ATC

or DTC C0300 for the NVG 226-NP8 transfer case

C0305

Front Propshaft Speed Sensor Malfunction

ATC

DTC C0305 for the NVG 126-NP4 transfer

case or DTC C0305 for the NVG 226-NP8 transfer case DTC C0306 for the NVG 126-NP4 transfer case C0306 Motor A or B Circuit Malfunction ATC or DTC C0306 for the NVG 226-NP8 transfer case C0321 Transfer Case Lock Circuit Malfunction ATC DTC C0321 DTC C0327 for the NVG 126-NP4 transfer case C0327 Encoder Circuit Malfunction ATC or DTC C0327 for the NVG 226-NP8 transfer case Four Wheel Drive Low C0359 Range (4WD low) Discrete ATC Output Circuit Malfunction DTC C0359 for the NVG 226-NP8 transfer case DTC C0374 for the NVG 126-NP4 transfer case C0374 General System Malfunction ATC or DTC C0374 for the NVG 226-NP8 transfer case C0379 C0455 Front Axle System Malfunction Front Steering Position Sensor Circuit ATC EBCM DTC C0379 DTC C0455

Electronic Control Unit (ECU) Performance

EBCM

DTC C0550 DTC C0550 for the NVG 126-NP4 transfer case

C0550 ECU Malfunction ATC

or DTC C0550 for the NVG 226-NP8 transfer case

C0558 C0750 C0755 C0760 C0765

Calibration Data Not Programmed Left Front Low Tire Pressure Sensor Right Front Low Tire Pressure Sensor

EBCM LGM LGM

DTC C0558 DTC C0750, C0755, C0760, or C0765 DTC C0750, C0755, C0760, or C0765 DTC C0750, C0755, C0760, or C0765 DTC C0750, C0755, C0760, or C0765 DTC C0775

Left Rear Low Tire Pressure LGM Sensor Right Rear Low Tire Pressure Sensor LGM LGM

Low Tire Pressure System C0775 Sensors Not Programmed/Learned Exhaust Camshaft Position P0013 (CMP) Actuator Solenoid Control Circuit P0014

PCM

DTC P0013 DTC P0014 DTC P0016 for the 5.3L engine

Exhaust Camshaft Position PCM (CMP) System Performance

Crankshaft Position (CKP)P0016 Camshaft Position (CMP) ECM Correlation

or DTC P0016 for the 6.0L engine

Crankshaft Position (CKP) P0017 Exhaust-Camshaft Position (CMP) Correlation P0030 HO2S Heater Control Circuit Bank 1 Sensor 1

PCM

DTC P0017 · DTC P0030 or P0036 for the 4.2L engine

ECM, PCM

· DTC P0030, P0036, P0050, or P0056 for the 5.3L engine · DTC P0030, P0036, P0050, or P0056 for the 6.0L engine · DTC P0030 or P0036 for the 4.2L engine HO2S Heater Control Circuit Bank 1 Sensor 2 · DTC P0030, P0036, P0050, or P0056 for the 5.3L engine · DTC P0030, P0036, P0050, or P0056 for the 6.0L engine DTC P0030, P0036, P0050, or P0056 for the 5.3L engine P0050 HO2S Heater Control Circuit Bank 2 Sensor 1 ECM or DTC P0030, P0036, P0050, or P0056 for the 6.0L engine DTC P0053, P0054, P0059, or P0060 for the 5.3L engine P0053 HO2S Heater Resistance Bank 1 Sensor 1 ECM or DTC P0053, P0054, P0059, or P0060 for the 6.0L engine DTC P0053, P0054, P0059, or P0060 for the 5.3L engine or

P0036

ECM, PCM

P0054

HO2S Heater Resistance Bank 1 Sensor 2

ECM

DTC P0053, P0054, P0059, or P0060 for the 6.0L engine DTC P0030, P0036, P0050, or P0056 for the 5.3L engine P0056 HO2S Heater Control Circuit Bank 2 Sensor 2 ECM or DTC P0030, P0036, P0050, or P0056 for the 6.0L engine DTC P0053, P0054, P0059, or P0060 for the 5.3L engine P0059 HO2S Heater Resistance Bank 2 Sensor 1 ECM or DTC P0053, P0054, P0059, or P0060 for the 6.0L engine DTC P0053, P0054, P0059, or P0060 for the 5.3L engine P0060 HO2S Heater Resistance Bank 2 Sensor 2 ECM or DTC P0053, P0054, P0059, or P0060 for the 6.0L engine · DTC P0068 for the 4.2L engine P0068 Throttle Body Airflow Performance ECM, PCM · DTC P0068 for the 5.3L engine · DTC P0068 for the 6.0L engine · DTC P0101 or P1101 for the 4.2L engine · DTC P0101 for the 5.3L engine

P0101

Mass Air Flow (MAF) Sensor Performance

ECM, PCM

· DTC P0101 for the 6.0L engine · DTC P0102 or P0103 for the 4.2L engine ECM, PCM · DTC P0102 for the 5.3L engine · DTC P0102 for the 6.0L engine · DTC P0102 or P0103 for the 4.2L engine ECM, PCM · DTC P0103 for the 5.3L engine · DTC P0103 for the 6.0L engine · DTC P0106 for the 4.2L engine P0106 Manifold Absolute Pressure ECM, PCM (MAP) Sensor Performance · DTC P0106 for the 5.3L engine · DTC P0106 for the 6.0L engine · DTC P0107 for the 4.2L engine Manifold Absolute Pressure P0107 (MAP) Sensor Circuit Low ECM, PCM Voltage · DTC P0107 for the 5.3L engine · DTC P0107 for the 6.0L engine · DTC P0108 for the 4.2L engine Manifold Absolute Pressure P0108 (MAP) Sensor Circuit High ECM, PCM Voltage · DTC P0108 for the 5.3L engine · DTC P0108 for the 6.0L engine Intake Air Temperature P0112 (IAT) Sensor Circuit Low Voltage · DTC P0112 for the 4.2L engine · DTC P0112 for the 5.3L engine

Mass Air Flow (MAF) P0102 Sensor Circuit Low Frequency

Mass Air Flow (MAF) P0103 Sensor Circuit High Frequency

ECM, PCM

· DTC P0112 for the 6.0L engine · DTC P0113 for the 4.2L engine Intake Air Temperature P0113 (IAT) Sensor Circuit High Voltage ECM, PCM · DTC P0113 for the 5.3L engine · DTC P0113 for the 6.0L engine · DTC P0116 for the 4.2L engine Engine Coolant P0116 Temperature (ECT) Sensor Performance ECM, PCM · DTC P0116 for the 5.3L engine · DTC P0116 for the 6.0L engine · DTC P0117 for the 4.2L engine Engine Coolant P0117 Temperature (ECT) Sensor Circuit Low Voltage ECM, PCM · DTC P0117 for the 5.3L engine · DTC P0117 for the 6.0L engine · DTC P0118 for the 4.2L engine Engine Coolant P0118 Temperature (ECT) Sensor Circuit High Voltage ECM, PCM · DTC P0118 for the 5.3L engine · DTC P0118 for the 6.0L engine · DTC P0120 for the 4.2L engine P0120 Throttle Position (TP) Sensor 1 Circuit ECM, PCM · DTC P0120 for the 5.3L engine · DTC P0120 for the 6.0L engine · DTC P0121 for the 4.2L engine P0121 Throttle Position (TP) Sensor 1 Performance ECM, PCM · DTC P0121 for the 5.3L engine · DTC P0121 for the 6.0L engine

· DTC P0122 for the 4.2L engine Throttle Position (TP) P0122 Sensor 1 Circuit Low Voltage ECM, PCM · DTC P0122 for the 5.3L engine · DTC P0122 for the 6.0L engine · DTC P0123 for the 4.2L engine Throttle Position (TP) P0123 Sensor 1 Circuit High Voltage ECM, PCM · DTC P0123 for the 5.3L engine · DTC P0123 for the 6.0L engine · DTC P0128 for the 4.2L engine ECM, PCM · DTC P0128 for the 5.3L engine · DTC P0128 for the 6.0L engine PCM DTC P0130 DTC P0131 for the 4.2L engine DTC P0131 or P0151 for the 5.3L engine HO2S Circuit Low Voltage ECM Bank 1 Sensor 1 or DTC P0131 or P0151 for the 6.0L engine HO2S Circuit High Voltage PCM Sensor 1 DTC P0132 for the 4.2L engine DTC P0132 or P0152 for the 5.3L engine HO2S Circuit High Voltage ECM Bank 1 Sensor 1 or DTC P0132 or P0152 for the 6.0L engine HO2S Slow Response PCM P0133 Sensor 1 HO2S Slow Response Bank ECM DTC P0133 for the 4.2L engine DTC P0133 or P0153

Engine Coolant Temperature (ECT) Below P0128 Thermostat Regulating Temperature P0130 HO2S Circuit Sensor 1

HO2S Circuit Low Voltage PCM Sensor 1

P0131

P0132

1 Sensor 1

for the 5.3L engine or DTC P0133 or P0153 for the 6.0L engine

HO2S Circuit Insufficient Activity Sensor 1

PCM

DTC P0134 for the 4.2L engine DTC P0134 or P0154 for the 5.3L engine

P0134

HO2S Circuit Insufficient Activity Bank 1 Sensor 1

ECM

or DTC P0134 or P0154 for the 6.0L engine

HO2S Heater Performance Sensor 1

PCM

DTC P0135 or P0141 for the 4.2L engine DTC P0135, P0141, P0155, or P0161 for the 5.3L engine

P0135

HO2S Heater Performance Bank 1 Sensor 1

ECM

or DTC P0135, P0141, P0155, or P0161 for the 6.0L engine

HO2S Performance Sensor 2

PCM

DTC P0136 for the 4.2L engine DTC P0136 or P0156 for the 5.3L engine

P0136

HO2S Circuit Bank 1 Sensor 2

ECM

or DTC P0136 or P0156 for the 6.0L engine

HO2S Circuit Low Voltage PCM Sensor 2 P0137

DTC P0137 for the 4.2L engine DTC P0137 or P0157 for the 5.3L engine

HO2S Circuit Low Voltage ECM Bank 1 Sensor 2

or DTC P0137 or P0157

for the 6.0L engine HO2S Circuit High Voltage PCM Sensor 2 DTC P0138 for the 4.2L engine DTC P0138 or P0158 for the 5.3L engine HO2S Circuit High Voltage ECM Bank 1 Sensor 2 or DTC P0138 or P0158 for the 6.0L engine HO2S Circuit Insufficient Activity Sensor 2 PCM DTC P0140 for the 4.2L engine DTC P0140 or P0160 for the 5.3L engine HO2S Circuit Insufficient Activity Bank 1 Sensor 2 ECM or DTC P0140 or P0160 for the 6.0L engine HO2S Heater Performance Sensor 2 PCM DTC P0135 or P0141 for the 4.2L engine DTC P0135, P0141, P0155, or P0161 for the 5.3L engine HO2S Heater Performance Bank 1 Sensor 2 ECM or DTC P0135, P0141, P0155, or P0161 for the 6.0L engine DTC P0131 or P0151 for the 5.3L engine P0151 HO2S Circuit Low Voltage ECM Bank 2 Sensor 1 or DTC P0131 or P0151 for the 6.0L engine DTC P0132 or P0152 for the 5.3L engine P0152 HO2S Circuit High Voltage ECM Bank 2 Sensor 1 or DTC P0132 or P0152

P0138

P0140

P0141

for the 6.0L engine DTC P0133 or P0153 for the 5.3L engine P0153 HO2S Slow Response Bank ECM 2 Sensor 1 or DTC P0133 or P0153 for the 6.0L engine DTC P0134 or P0154 for the 5.3L engine P0154 HO2S Circuit Insufficient Activity Bank 2 Sensor 1 ECM or DTC P0134 or P0154 for the 6.0L engine DTC P0135, P0141, P0155, or P0161 for the 5.3L engine P0155 HO2S Heater Performance Bank 2 Sensor 1 ECM or DTC P0135, P0141, P0155, or P0161 for the 6.0L engine DTC P0136 or P0156 for the 5.3L engine P0156 HO2S Circuit Bank 2 Sensor 2 ECM or DTC P0136 or P0156 for the 6.0L engine DTC P0137 or P0157 for the 5.3L engine P0157 HO2S Circuit Low Voltage ECM Bank 2 Sensor 2 or DTC P0137 or P0157 for the 6.0L engine DTC P0138 or P0158 for the 5.3L engine P0158 HO2S Circuit High Voltage ECM Bank 2 Sensor 2 or DTC P0138 or P0158

for the 6.0L engine DTC P0140 or P0160 for the 5.3L engine P0160 HO2S Circuit Insufficient Activity Bank 2 Sensor 2 ECM or DTC P0140 or P0160 for the 6.0L engine DTC P0135, P0141, P0155, or P0161 for the 5.3L engine P0161 HO2S Heater Performance Bank 2 Sensor 2 ECM or DTC P0135, P0141, P0155, or P0161 for the 6.0L engine Fuel Trim System Lean PCM DTC P0171 for the 4.2L engine DTC P0171 or P0174 for the 5.3L engine Fuel Trim System Lean Bank 1 ECM or DTC P0171 or P0174 for the 6.0L engine Fuel Trim System Rich PCM DTC P0172 for the 4.2L engine DTC P0172 or P0175 for the 5.3L engine Fuel Trim System Rich Bank 1 ECM or DTC P0172 or P0175 for the 6.0L engine DTC P0171 or P0174 for the 5.3L engine P0174 Fuel Trim System Lean Bank 2 ECM or DTC P0171 or P0174 for the 6.0L engine P0175 Fuel Trim System Rich ECM DTC P0172 or P0175

P0171

P0172

Bank 2

for the 5.3L engine or DTC P0172 or P0175 for the 6.0L engine · DTC P0201, P0202, P0203, P0204, P0205, or P0206 for the 4.2L engine · DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208 for the 5.3L engine · DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208 for the 6.0L engine · DTC P0201, P0202, P0203, P0204, P0205, or P0206 for the 4.2L engine · DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208 for the 5.3L engine · DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208 for the 6.0L engine

P0201 Injector 1 Control Circuit

ECM, PCM

P0202 Injector 2 Control Circuit

ECM, PCM

P0203 Injector 3 Control Circuit

ECM, PCM

· DTC P0201, P0202, P0203, P0204, P0205, or

P0206 for the 4.2L engine · DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208 for the 5.3L engine · DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208 for the 6.0L engine · DTC P0201, P0202, P0203, P0204, P0205, or P0206 for the 4.2L engine · DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208 for the 5.3L engine · DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208 for the 6.0L engine · DTC P0201, P0202, P0203, P0204, P0205, or P0206 for the 4.2L engine P0205 Injector 5 Control Circuit ECM, PCM · DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208 for the 5.3L engine

P0204 Injector 4 Control Circuit

ECM, PCM

· DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208 for the 6.0L engine · DTC P0201, P0202, P0203, P0204, P0205, or P0206 for the 4.2L engine · DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208 for the 5.3L engine · DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208 for the 6.0L engine DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208 for the 5.3L engine P0207 Injector 7 Control Circuit ECM or DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208 for the 6.0L engine DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208 for the 5.3L engine P0208 Injector 8 Control Circuit ECM or DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208

P0206 Injector 6 Control Circuit

ECM, PCM

for the 6.0L engine P0218 Transmission Fluid Overtemperature PCM, TCM DTC P0218 · DTC P0220 for the 4.2L engine P0220 Throttle Position (TP) Sensor 2 Circuit ECM, PCM · DTC P0220 for the 5.3L engine · DTC P0220 for the 6.0L engine · DTC P0222 for the 4.2L engine Throttle Position (TP) P0222 Sensor 2 Circuit Low Voltage ECM, PCM · DTC P0222 for the 5.3L engine · DTC P0222 for the 6.0L engine · DTC P0223 for the 4.2L engine Throttle Position (TP) P0223 Sensor 2 Circuit High Voltage ECM, PCM · DTC P0223 for the 5.3L engine · DTC P0223 for the 6.0L engine · DTC P0230 for the 4.2L engine P0230 Fuel Pump Relay Control Circuit ECM, PCM · DTC P0230 for the 5.3L engine · DTC P0230 for the 6.0L engine · DTC P0300 for the 4.2L engine P0300 Engine Misfire Detected ECM, PCM · DTC P0300 P0308 for the 5.3L engine · DTC P0300 P0308 for the 6.0L engine P0301 Cylinder 1 Misfire Detected ECM DTC P0300 - P0308 for the 5.3L engine

or DTC P0300 - P0308 for the 6.0L engine DTC P0300 - P0308 for the 5.3L engine P0302 Cylinder 2 Misfire Detected ECM or DTC P0300 - P0308 for the 6.0L engine DTC P0300 - P0308 for the 5.3L engine P0303 Cylinder 3 Misfire Detected ECM or DTC P0300 - P0308 for the 6.0L engine DTC P0300 - P0308 for the 5.3L engine P0304 Cylinder 4 Misfire Detected ECM or DTC P0300 - P0308 for the 6.0L engine DTC P0300 - P0308 for the 5.3L engine P0305 Cylinder 5 Misfire Detected ECM or DTC P0300 - P0308 for the 6.0L engine DTC P0300 - P0308 for the 5.3L engine P0306 Cylinder 6 Misfire Detected ECM or DTC P0300 - P0308 for the 6.0L engine DTC P0300 - P0308 for the 5.3L engine P0307 Cylinder 7 Misfire Detected ECM or

DTC P0300 - P0308 for the 6.0L engine DTC P0300 - P0308 for the 5.3L engine P0308 Cylinder 8 Misfire Detected ECM or DTC P0300 - P0308 for the 6.0L engine · DTC P0315 for the 4.2L engine Crankshaft Position (CKP) P0315 System Variation Not Learned ECM, PCM · DTC P0315 for the 5.3L engine · DTC P0315 for the 6.0L engine · DTC P0325 for the 4.2L engine P0325 Knock Sensor (KS) Circuit ECM, PCM · DTC P0325 for the 5.3L engine · DTC P0325 for the 6.0L engine · DTC P0326 for the 4.2L engine P0326 Knock Sensor (KS) 1 Performance ECM, PCM · DTC P0326 for the 5.3L engine · DTC P0326 for the 6.0L engine · DTC P0327 or P0332 for the 4.2L engine P0327 Knock Sensor (KS) 1 Circuit Low Frequency ECM, PCM · DTC P0327 or P0332 for the 5.3L engine · DTC P0327 or P0332 for the 6.0L engine Knock Sensor (KS) 2 P0332 Circuit Low Frequency ECM, PCM · DTC P0327 or P0332 for the 4.2L engine

· DTC P0327 or P0332 for the 5.3L engine · DTC P0327 or P0332 for the 6.0L engine · DTC P0335 for the 4.2L engine P0335 Crankshaft Position (CKP) Sensor Circuit ECM, PCM · DTC P0335 for the 5.3L engine · DTC P0335 for the 6.0L engine Crankshaft Position (CKP) Sensor Performance PCM DTC P0336 for the 4.2L engine DTC P0336 for the 5.3L engine Crankshaft Position (CKP) Sensor Circuit ECM or DTC P0336 for the 6.0L engine DTC P0340 for the 5.3L engine P0340 Camshaft Position (CMP) Sensor Circuit ECM or DTC P0340 for the 6.0L engine DTC P0341 for the 5.3L engine P0341 Camshaft Position (CMP) Sensor Performance ECM or DTC P0341 for the 6.0L engine · DTC P0351P0356 for the 4.2L engine · DTC P0351P0358 for the 5.3L engine

P0336

P0351

Ignition Coil 1 Control Circuit

ECM, PCM

· DTC P0351P0358 for the 6.0L engine · DTC P0351P0356 for the 4.2L engine P0352 Ignition Coil 2 Control Circuit ECM, PCM · DTC P0351P0358 for the 5.3L engine · DTC P0351P0358 for the 6.0L engine · DTC P0351P0356 for the 4.2L engine Ignition Coil 3 Control P0353 Circuit ECM, PCM · DTC P0351P0358 for the 5.3L engine · DTC P0351P0358 for the 6.0L engine · DTC P0351P0356 for the 4.2L engine P0354 Ignition Coil 4 Control Circuit ECM, PCM · DTC P0351P0358 for the 5.3L engine · DTC P0351P0358 for the 6.0L engine · DTC P0351P0356 for the 4.2L engine Ignition Coil 5 Control P0355 Circuit ECM, PCM · DTC P0351P0358 for the 5.3L engine · DTC P0351P0358 for the 6.0L engine P0356 Ignition Coil 6 Control ECM, PCM · DTC P0351-

Circuit

P0356 for the 4.2L engine · DTC P0351P0358 for the 5.3L engine · DTC P0351P0358 for the 6.0L engine DTC P0351-P0358 for the 5.3L engine

P0357

Ignition Coil 7 Control Circuit

ECM

or DTC P0351-P0358 for the 6.0L engine DTC P0351-P0358 for the 5.3L engine

P0358

Ignition Coil 8 Control Circuit

ECM

or DTC P0351-P0358 for the 6.0L engine

P0365 P0366

Exhaust Camshaft Position (CMP) Sensor Circuit

PCM

DTC P0365 DTC P0366 DTC P0411

Exhaust Camshaft Position PCM (CMP) Sensor Performance

Secondary Air Injection P0411 (AIR) System Incorrect Air PCM Flow Detected Secondary Air Injection P0412 (AIR) Solenoid Control Circuit P0418 PCM

DTC P0412 DTC P0418 DTC P0420 for the 4.2L engine DTC P0420 or P0430 for the 5.3L engine

Secondary Air Injection PCM (AIR) Pump Control Circuit Catalyst System Low Efficiency PCM

P0420

Catalyst System Low Efficiency Bank 1

ECM

or DTC P0420 or P0430

for the 6.0L engine DTC P0420 or P0430 for the 5.3L engine P0430 Catalyst System Low Efficiency Bank 2 ECM or DTC P0420 or P0430 for the 6.0L engine · DTC P0442 for the 4.2L engine Evaporative Emission P0442 (EVAP) System Small Leak ECM, PCM Detected · DTC P0442 for the 5.3L engine · DTC P0442 for the 6.0L engine · DTC P0443 for the 4.2L engine Evaporative Emission P0443 (EVAP) Purge Solenoid Control Circuit ECM, PCM · DTC P0443 for the 5.3L engine · DTC P0443 for the 6.0L engine · DTC P0446 for the 4.2L engine Evaporative Emission P0446 (EVAP) Vent System Performance ECM, PCM · DTC P0446 for the 5.3L engine · DTC P0446 for the 6.0L engine · DTC P0449 for the 4.2L engine Evaporative Emission P0449 (EVAP) Vent Solenoid Control Circuit ECM, PCM · DTC P0449 for the 5.3L engine · DTC P0449 for the 6.0L engine · DTC P0451 for the 4.2L engine P0451 Fuel Tank Pressure (FTP) Sensor Performance ECM, PCM · DTC P0451 for the 5.3L engine · DTC P0451 for the 6.0L engine

· DTC P0452 for the 4.2L engine P0452 Fuel Tank Pressure (FTP) ECM, PCM Sensor Circuit Low Voltage · DTC P0452 for the 5.3L engine · DTC P0452 for the 6.0L engine · DTC P0453 for the 4.2L engine P0453 Fuel Tank Pressure (FTP) ECM, PCM Sensor Circuit High Voltage · DTC P0453 for the 5.3L engine · DTC P0453 for the 6.0L engine · DTC P0454 for the 4.2L engine P0454 Fuel Tank Pressure (FTP) Sensor Circuit Intermittent ECM, PCM · DTC P0454 for the 5.3L engine · DTC P0454 for the 6.0L engine · DTC P0455 for the 4.2L engine Evaporative Emission P0455 (EVAP) System Large Leak ECM, PCM Detected · DTC P0455 for the 5.3L engine · DTC P0455 for the 6.0L engine P0461 P0462 P0463 P0464 P0480 P0483 Fuel Level Sensor Performance Fuel Level Sensor Circuit Low Voltage Fuel Level Sensor Circuit High Voltage Fuel Level Sensor Circuit Intermittent Cooling Fan Relay 1 Control Circuit Cooling Fan System Performance ECM, PCM ECM, PCM ECM, PCM ECM, PCM ECM, PCM ECM, PCM ECM, PCM ECM, PCM DTC P0461 DTC P0462 DTC P0463 DTC P0464 DTC P0480 DTC P0483 or P0493 DTC P0483 or P0493 DTC P0495

P0493 Cooling Fan Overspeed P0495 Cooling Fan Speed High

· DTC P0496 for the 4.2L engine Evaporative Emission P0496 (EVAP) System Flow During Non-Purge ECM, PCM · DTC P0496 for the 5.3L engine · DTC P0496 for 6.0L engine P0502 P0503 Vehicle Speed Sensor (VSS) PCM Circuit Low Voltage Vehicle Speed Sensor (VSS) PCM Circuit Intermittent DTC P0502 DTC P0503 · DTC P0506 for the 4.2L engine P0506 Idle Speed Low ECM, PCM · DTC P0506 for the 5.3L engine · DTC P0506 for the 6.0L engine · DTC P0507 for the 4.2L engine P0507 Idle Speed High ECM, PCM · DTC P0507 for the 5.3L engine · DTC P0507 for the 6.0L engine P0520 P0521 P0522 P0523 P0526 Engine Oil Pressure (EOP) Sensor Circuit Engine Oil Pressure (EOP) Sensor Performance ECM, PCM ECM DTC P0520 DTC P0521 DTC P0522 DTC P0523 DTC P0526 DTC P0530 with CJ2 Air Conditioning (A/C) P0530 Refrigerant Pressure Sensor ECM, PCM Circuit P0556 Brake Booster Pressure Sensor Performance ECM or DTC P0530 with CJ3 DTC P0556

Engine Oil Pressure (EOP) ECM, PCM Sensor Circuit Low Voltage Engine Oil Pressure (EOP) ECM, PCM Sensor Circuit High Voltage Cooling Fan Speed Sensor Circuit ECM, PCM

P0557 P0558

Brake Booster Pressure ECM Sensor Circuit Low Voltage Brake Booster Pressure ECM Sensor Circuit High Voltage ECM, PCM TCM ECM, PCM TCM ECM, PCM ECM, PCM ECM, PCM TCM

DTC P0557 DTC P0558 DTC P0562 DTC P0562 DTC P0563 DTC P0563 DTC P0564 DTC P0567 DTC P0568 DTC P0601, P0602, P0603, P0604, P062F or P1621 · DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P062F, P1600, P1621, P1627, P1681, P1683, or P2610 for the 4.2L engine

P0562 System Voltage Low P0563 System Voltage High P0564 P0567 P0568 Cruise Control MultiFunction Switch Circuit Cruise Control Resume Switch Circuit Cruise Control Set Switch Circuit Transmission Control Module (TCM) Read Only Memory (ROM)

P0601 Control Module Read Only ECM, PCM Memory (ROM)

· DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 for the 5.3L engine · DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627,

P1681, P1683, or P2610 for the 6.0L engine Transmission Control Module (TCM) Not Programmed TCM DTC P0601, P0602, P0603, P0604, P062F or P1621 · DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P062F, P1600, P1621, P1627, P1681, P1683, or P2610 for the 4.2L engine · DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 for the 5.3L engine · DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 for the 6.0L engine Transmission Control Module (TCM) Long Term TCM Memory Reset P0603 Control Module Long Term ECM Memory Reset DTC P0601, P0602, P0603, P0604, P062F or P1621 DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610

P0602 Control Module Not Programmed ECM, PCM

for the 5.3L engine or DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 for the 6.0L engine Transmission Control Module (TCM) Random Access Memory (RAM) TCM DTC P0601, P0602, P0603, P0604, P062F or P1621 · DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P062F, P1600, P1621, P1627, P1681, P1683, or P2610 for the 4.2L engine · DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 for the 5.3L engine · DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 for the 6.0L engine P0606 Control Module Internal Performance ECM, PCM · DTC P0601, P0602, P0603, P0604, P0605,

P0604 Control Module Random Access Memory (RAM) ECM, PCM

P0606, P0607, P060E, P062F, P1600, P1621, P1627, P1681, P1683, or P2610 for the 4.2L engine · DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 for the 5.3L engine · DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 for the 6.0L engine · DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P062F, P1600, P1621, P1627, P1681, P1683, or P2610 for the 4.2L engine · DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 for the 5.3L engine

P0607

Control Module Performance

ECM, PCM

· DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 for the 6.0L engine P0608 Vehicle Speed Output Circuit PCM, TCM DTC P0608 · DTC P060D for the 4.2L engine Control Module Accelerator P060D Pedal Position (APP) ECM, PCM System Performance · DTC P060D for the 5.3L engine · DTC P060D for the 6.0L engine · DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P062F, P1600, P1621, P1627, P1681, P1683, or P2610 for the 4.2L engine Control Module Throttle P060E Position (TP) System Performance · DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 for the 5.3L engine · DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or

ECM, PCM

P2610 for the 6.0L engine P0621 P0622 Generator L-Terminal Circuit Generator F-Terminal Circuit ECM, PCM ECM, PCM DTC P0621 DTC P0622 DTC P0601, P0602, P0603, P0604, P062F or P1621 DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P062F, P1600, P1621, P1627, P1681, P1683, or P2610 for the 4.2 engine · DTC P0641 for the 4.2L engine P0641 5 Volt Reference 1 Circuit ECM, PCM · DTC P0641 for the 5.3L engine · DTC P0641 for the 6.0L engine · DTC P0650 for the 4.2L engine P0650 Malfunction Indicator Lamp ECM, PCM (MIL) Control Circuit · DTC P0650 for the 5.3L engine · DTC P0650 for the 6.0L engine · DTC P0651 for the 4.2L engine P0651 5 Volt Reference 2 Circuit ECM, PCM · DTC P0651 for the 5.3L engine · DTC P0651 for the 6.0L engine P0654 Engine Speed Output Circuit ECM, PCM DTC P0654 DTC P0685, P0689, or P0690 for the 5.3L engine

Transmission Control Module (TCM) Long Term TCM Memory Performance P062F

Transmission Control Module (TCM) Long Term PCM Memory Performance

Engine Controls Ignition P0685 Relay Control Circuit

ECM

or DTC P0685, P0689, or P0690 for the 6.0L engine DTC P0685, P0689, or P0690 for the 5.3L engine Engine Controls Ignition P0689 Relay Feedback Circuit Low ECM Voltage or DTC P0685, P0689, or P0690 for the 6.0L engine DTC P0685, P0689, or P0690 for the 5.3L engine Engine Controls Ignition P0690 Relay Feedback Circuit High Voltage ECM or DTC P0685, P0689, or P0690 for the 6.0L engine DTC P0700 for the 5.3L engine Transmission Control P0700 Module (TCM) Requested MIL Illumination ECM or DTC P0700 for the 6.0L engine P0705 Transmission Range (TR) Switch Circuit PCM PCM, TCM DTC P0705 DTC P0711

Transmission Fluid P0711 Temperature (TFT) Sensor Performance Transmission Fluid P0712 Temperature (TFT) Sensor Circuit Low Voltage Transmission Fluid P0713 Temperature (TFT) Sensor Circuit High Voltage P0716 Input Speed Sensor Performance

PCM, TCM

DTC P0712

PCM, TCM TCM

DTC P0713 DTC P0716

P0717 P0719 P0722 P0723 P0724 P0741 P0742 P0748

Input Speed Sensor Circuit Low Voltage Brake Switch Circuit Low Voltage

TCM PCM, TCM

DTC P0717 DTC P0719 DTC P0722 DTC P0723 DTC P0724 DTC P0741 DTC P0742 DTC P0748 DTC P0751

Output Speed Sensor Circuit TCM Low Voltage Output Speed Sensor Circuit TCM Intermittent Brake Switch Circuit High Voltage Torque Converter Clutch (TCC) System - Stuck Off Torque Converter Clutch (TCC) System - Stuck On Pressure Control (PC) Solenoid Control Circuit PCM, TCM PCM, TCM PCM, TCM PCM PCM, TCM

1-2 Shift Solenoid (SS) P0751 Valve Performance - No First or Fourth Gear 1-2 Shift Solenoid (SS) P0752 Valve Performance - No Second or Third Gear 2-3 Shift Solenoid (SS) P0756 Valve Performance - No First or Second Gear 2-3 Shift Solenoid (SS) P0757 Valve Performance - No Third or Fourth Gear 3-2 Shift Solenoid (SS) P0787 Control Circuit Low Voltage 3-2 Shift Solenoid (SS) P0788 Control Circuit High Voltage P0856 P0894 Traction Control Torque Request Circuit Transmission Component Slipping

PCM, TCM

DTC P0752

PCM, TCM

DTC P0756

PCM, TCM

DTC P0757

TCM

DTC P0787

TCM ECM, PCM PCM, TCM TCM

DTC P0788 DTC C0241 or P0856 DTC P0894 DTC P0961

Line Pressure Control (PC) P0961 Solenoid System Performance

1-2 Shift Solenoid (SS) P0973 Control Circuit Low Voltage 1-2 Shift Solenoid (SS) P0974 Control Circuit High Voltage 2-3 Shift Solenoid (SS) P0976 Control Circuit Low Voltage 2-3 Shift Solenoid (SS) P0977 Control Circuit High Voltage

TCM

DTC P0973

TCM

DTC P0974

TCM

DTC P0976

TCM

DTC P0977 · DTC P0101 or P1101 for the 4.2L engine

P1101

Intake Air Flow System Performance

ECM, PCM

· DTC P1101 for the 5.3L engine · DTC P1101 for the 6.0L engine

HO2S Insufficient Switching Sensor 1

PCM

DTC P1133 for the 4.2L engine DTC P1133 or P1153 for the 5.3L engine

P1133

HO2S Insufficient Switching Bank 1 Sensor 1

ECM

or DTC P1133 or P1153 for the 6.0L engine · DTC P1134 for the 4.2L engine

HO2S Transition Time P1134 Ratio Bank 1 Sensor 1

ECM

· DTC P1134 or P1154 for the 5.3L engine · DTC P1134 or P1154 for the 6.0L engine DTC P1133 or P1153 for the 5.3L engine

P1153

HO2S Insufficient Switching Bank 2 Sensor 1

ECM or

DTC P1133 or P1153 for the 6.0L engine DTC P1134 or P1154 for the 5.3L engine P1154 HO2S Transition Time Ratio Bank 2 Sensor 1 ECM or DTC P1134 or P1154 for the 6.0L engine Engine Coolant P1258 Overtemperature Protection Mode Active ECM, PCM DTC P1258 · DTC P1380 for the 4.2L engine P1380 Misfire Detected - Rough Road Data Not Available ECM, PCM · DTC P1380 for the 5.3L engine · DTC P1380 for the 6.0L engine · DTC P1381 for the 4.2L engine Misfire Detected - No P1381 Communication With Brake ECM, PCM Control Module · DTC P1381 for the 5.3L engine · DTC P1381 for the 6.0L engine P1400 P1481 P1482 P1484 Cold Start Emission Reduction Control System Cooling Fan Speed Sensor Circuit Cooling Fan Speed Output Circuit Cooling Fan System Performance PCM ECM, PCM ECM, PCM ECM, PCM DTC P1400 DTC P1481 DTC P1482 DTC P1484 · DTC P1516 for the 4.2L engine ECM, PCM · DTC P1516 for the 5.3L engine · DTC P1516 for the 6.0L engine ECM, PCM DTC P1545

Throttle Actuator Control (TAC) Module Throttle P1516 Actuator Position Performance Air Conditioning (A/C) Clutch Relay Control

P1545

Circuit

or DTC P1545

P1574 Stoplamp Switch Circuit

ECM, PCM

DTC P1574 DTC P0601, P0602, P0603, P0604, P062F or P1621 · DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 for the 5.3L engine · DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 for the 6.0L engine DTC P1626 DTC P1630

Transmission Control Module (TCM) Long Term TCM Memory Performance

P1621 Control Module Long Term ECM, PCM Memory Performance

P1626

Theft Deterrent Fuel Enable ECM, PCM Signal Lost

P1630

Theft Deterrent Learn Mode ECM, PCM Active

or DTC P1630 for export vehicles

P1631 P1631 P1632

Theft Deterrent Fuel Enable ECM, PCM Signal Not Correct Theft Deterrent Fuel Enable ECM, PCM Signal Not Correct Theft Deterrent Fuel Disable ECM, PCM Signal Received ECM, PCM ECM, PCM ECM, PCM

DTC P1631 DTC P1631 DTC P1632 DTC P1633 DTC P1634 DTC P1637

P1633 Ignition 0 Switch Circuit P1634 Ignition 1 Switch Circuit P1637 Generator L-Terminal

Circuit Control Module Throttle P1681 Position (TP) System Performance DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P062F, P1600, P1621, P1627, P1681, P1683, or P2610 · DTC P1682 for the 4.2L engine P1682 Ignition 1 Switch Circuit 2 ECM, PCM · DTC P1682 for the 5.3L engine · DTC P1682 for the 6.0L engine P1689 Traction Control Delivered Torque Output Circuit ECM, PCM DTC C0244 or P1689 DTC P1810

PCM

Transmission Fluid Pressure P1810 (TFP) Position Switch PCM, TCM Circuit Transmission Fluid Pressure (TFP) Valve Position P1815 TCM Switch - Start in Wrong Range Transmission Fluid Pressure (TFP) Valve Position P1816 Switch Indicates TCM Park/Neutral (P/N) with Drive Ratio Transmission Fluid Pressure (TFP) Valve P1818 Position Switch Indicates Drive without Drive Rat TCM

DTC P1815

DTC P1816

DTC P1818

· DTC P2101 for the 4.2L engine Control Module Throttle P2101 Actuator Position Performance ECM, PCM · DTC P2101 for the 5.3L engine · DTC P2101 for the 6.0L engine Throttle Closed Position P2119 Performance ECM, PCM · DTC P2119 for the 4.2L engine · DTC P2119 for

the 5.3L engine · DTC P2119 for the 6.0L engine · DTC P2120 for the 4.2L engine P2120 Accelerator Pedal Position (APP) Sensor 1 Circuit ECM, PCM · DTC P2120 for the 5.3L engine · DTC P2120 for the 6.0L engine · DTC P2122 for the 4.2L engine Accelerator Pedal Position P2122 (APP) Sensor 1 Circuit Low ECM, PCM Voltage · DTC P2122 for the 5.3L engine · DTC P2122 for the 6.0L engine · DTC P2123 for the 4.2L engine Accelerator Pedal Position P2123 (APP) Sensor 1 Circuit High ECM, PCM Voltage · DTC P2123 for the 5.3L engine · DTC P2123 for the 6.0L engine · DTC P2125 for the 4.2L engine P2125 Accelerator Pedal Position (APP) Sensor 2 Circuit ECM, PCM · DTC P2125 for the 5.3L engine · DTC P2125 for the 6.0L engine · DTC P2127 for the 4.2L engine Accelerator Pedal Position P2127 (APP) Sensor 2 Circuit Low ECM, PCM Voltage · DTC P2127 for the 5.3L engine · DTC P2127 for the 6.0L engine · DTC P2128 for the 4.2L engine · DTC P2128 for the 5.3L engine · DTC P2128 for

Accelerator Pedal Position P2128 (APP) Sensor 2 Circuit High ECM, PCM Voltage

the 6.0L engine · DTC P2135 for the 4.2L engine P2135 Throttle Position (TP) Sensor 1-2 Correlation ECM, PCM · DTC P2135 for the 5.3L engine · DTC P2135 for the 6.0L engine · DTC P2138 for the 4.2L engine Accelerator Pedal Position P2138 (APP) Sensor 1-2 Correlation ECM, PCM · DTC P2138 for the 5.3L engine · DTC P2138 for the 6.0L engine · DTC P2176 for the 4.2L engine P2176 Minimum Throttle Position ECM, PCM Not Learned · DTC P2176 for the 5.3L engine · DTC P2176 for the 6.0L engine Secondary Air Injection P2430 (AIR) System Pressure Sensor Circuit Secondary Air Injection P2431 (AIR) System Pressure Sensor Performance PCM DTC P2430

PCM

DTC P2431

Secondary Air Injection P2432 (AIR) System Pressure PCM Sensor Circuit Low Voltage Secondary Air Injection P2433 (AIR) System Pressure PCM Sensor Circuit High Voltage Secondary Air Injection P2440 (AIR) System Shut-Off Valve Stuck Open Secondary Air Injection P2444 (AIR) System Pump Stuck On P2534 Ignition 1 Switch Circuit Low Voltage PCM

DTC P2432

DTC P2433

DTC P2440

PCM TCM

DTC P2444 DTC P2534

· DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P062F, P1600, P1621, P1627, P1681, P1683, or P2610 for the 4.2L engine · DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 for the 5.3L engine · DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 for the 6.0L engine Torque Converter Clutch (TCC) Pressure Control P2763 (PC) Solenoid Control Circuit High Voltage Torque Converter Clutch (TCC) Pressure Control P2764 (PC) Solenoid Control Circuit Low Voltage Torque Converter Clutch (TCC) Enable Solenoid P2769 Control Circuit Low Voltage Torque Converter Clutch (TCC) Enable Solenoid P2770 Control Circuit High Voltage

P2610

Control Module Ignition Off ECM, PCM Timer Performance

TCM

DTC P2763

TCM

DTC P2764

TCM

DTC P2769

TCM

DTC P2770

P2771 P3401 P3425 P3441 P3449 U0001 U0073

Four Wheel Drive (4WD) Low Switch Circuit Cylinder 1 Deactivation Solenoid Control Circuit Cylinder 4 Deactivation Solenoid Control Circuit Cylinder 6 Deactivation Solenoid Control Circuit Cylinder 7 Deactivation Solenoid Control Circuit High Speed CAN Communication Bus Control Module Communication Bus A Off

ECM, PCM ECM ECM ECM ECM ECM ECM, TCM TCM

DTC P2771 DTC P3401, P3425, P3441, or P3449 DTC P3401, P3425, P3441, or P3449 DTC P3401, P3425, P3441, or P3449 DTC P3401, P3425, P3441, or P3449 DTC U0001 DTC U0073 DTC U0100-U0299

Lost Communication with U0100 Engine Control Module (ECM) Lost Communication with U0101 Transmission Control Module (TCM)

ECM

DTC U0100-U0299

U1000

Class 2 Data Link Malfunction

BCM, DDM, DRR, DSM, DVD Player, EBCM, EGM, PDM, HVAC Control Module, HVAC DTC U1000 Control Module Auxiliary, IPC, LGM, PCM, PRM, Radio, SDM, TCSCM, VCIM, VTD

BCM, DDM, DSM, DVD Player, EGM, PDM, Lost Communications With HVAC Control Module, U1016 Powertrain/Engine Control HVAC Control Module - DTC U1001-U1254 Module (PCM/ECM) Auxiliary, IPC, PRM, Radio, SDM, TCSCM, VTD Lost Communications With U1026 Transfer Case Shift Control IPC, PCM Module (TCSCM) DTC U1001-U1254

Lost Communications With U1041 Electronic Brake Control IPC, PCM, SDM, TCSCM DTC U1001-U1254 Module (EBCM) U1064 Lost Communications With DSM, DVD Player, EGM, DTC U1001-U1254

Body Control Module (BCM)

HVAC Control Module, HVAC Control Module Auxiliary, IPC, PRM, Radio, PCM, SDM, TCSCM, VCIM, VTD DTC U1001-U1254

Lost Communications With Inflatable Restraint Sensing U1088 IPC, Radio, VCIM and Diagnostic Module (SDM)

Lost Communications With U1096 Instrument Panel Cluster BCM, EGM, PRM, SDM DTC U1001-U1254 (IPC) U1128 U1133 Lost Communications With HVAC Control Module Radio Auxiliary Lost Communications With Radio DVD Player DTC U1001-U1254 DTC U1001-U1254 DTC U1001-U1254

Lost Communications With U1137 Digital Radio Receiver Radio (DRR) Lost Communications With U1151 Communication Interface Radio Module (OnStar®) U1152 U1160

DTC U1001-U1254

DDM, EGM, PDM, LGM, Lost Communications With HVAC Control Module - DTC U1001-U1254 HVAC Control Module Auxiliary, PCM Lost Communications With BCM, DSM, PDM, IPC Driver Door Module (DDM) DTC U1001-U1254 DTC U1001-U1254

Lost Communications With U1161 Passenger Door Module BCM, DDM, IPC (PDM) Lost Communications With U1162 Lift Gate Module (LGM)/ BCM, IPC, PRM End Gate Module (EGM) U1166 Lost Communications With DDM, FPDM Driver Seat Module (DSM)

DTC U1001-U1254 DTC U1001-U1254 DTC U1001-U1254 DTC U1001-U1254 DTC U1001-U1254

Lost Communications With HVAC Control Module, U1167 Rear Auxiliary HVAC Radio Control Module U1173 Lost Communications With EGM Power Roof Module (PRM)

U1192 Lost Communications With BCM, PCM

Vehicle Theft Deterrent (VTD) U1241 Lost Communication With Scan Tool SDM DVD Player, HVAC Control Module, IPC, PCM, Radio, SDM, VCIM DVD Player, HVAC Control Module, IPC, PCM, Radio, SDM, VCIM BCM, DSM, HVAC Control Module Auxiliary, PRM DTC U1241 DTC U1300, U1301, or U1305

U1300 Class 2 Data Link Low

U1301 Class 2 Data Link High

DTC U1300, U1301, or U1305 DTC U1300, U1301, or U1305 DTC U1500 DTC U2100 DTC U2105-U2199 DTC 001 DTC 002 DTC 003 DTC 023 DTC 024 DTC 063 DTC 064 DTC 065

U1305 U1500 U2100

Class 2 Data Link Low or High

Inter-Device Dedicated Bus OnStar® VCIM Malfunction High Speed CAN Communication Bus TCM TCM Air Suspension Compressor Assembly Air Suspension Compressor Assembly Air Suspension Compressor Assembly PPS PPS PPS PPS PPS

Lost Communication With U2105 Engine Control Module (ECM) 001 002 003 023 024 063 064 065 System Disabled Information Stored Left Rear Position Sensor Circuit Right Rear Position Sensor Circuit Seat Belt Tension Sensor Circuit Out of Range PPS Ignition 1 Voltage Performance PPS Out of Calibration PPS Communication/ID Performance PPS Sensor Circuit Out of Range

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