Ordered DTC List
DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | DTC Descriptor | Module That Sets the DTC | Diagnostic Procedure |
|---|---|---|---|
| B0001 | Vehicle Speed Information Circuit Range/Performance | Navigation Radio | DTC B0001 |
| B0012 | Passenger Frontal Deployment Loop Stage 2 Resistance Low | SDM | DTC B0012, B0013, B0014, B0016, B0017, or B0018 |
| B0013 | Passenger Frontal Deployment Loop Stage 2 Open | SDM | DTC B0012, B0013, B0014, B0016, B0017, or B0018 |
| B0014 | Passenger Frontal Deployment Loop Stage 2 Voltage Out of Range | SDM | DTC B0012, B0013, B0014, B0016, B0017, or B0018 |
| B0016 | Passenger Frontal Deployment Loop Stage 1 Resistance Low | SDM | DTC B0012, B0013, B0014, B0016, B0017, or B0018 |
| B0017 | Passenger Frontal Deployment Loop Stage 1 Open | SDM | DTC B0012, B0013, B0014, B0016, B0017, or B0018 |
| B0018 | Passenger Frontal Deployment Loop Stage 1 Voltage Out of Range | SDM | DTC B0012, B0013, B0014, B0016, B0017, or B0018 |
| B0022 | Driver Frontal Deployment Loop Stage 1 Resistance Low | SDM | DTC B0022, B0024, B0026, B0042, B0043, or B0044 |
| B0024 | Driver Frontal Deployment Loop Stage 1 Voltage Out of Range | SDM | DTC B0022, B0024, B0026, B0042, B0043, or B0044 |
| B0026 | Driver Frontal Deployment Loop Stage 1 Open | SDM | DTC B0022, B0024, B0026, B0042, B0043, or B0044 |
| B0028 | Right Front Side Deployment Loop Resistance Low | SDM | DTC B0028, B0029, or B0030 |
| B0029 | Right Front Side Deployment Loop Open | SDM | DTC B0028, B0029, or B0030 |
| B0030 | Right Front Side Deployment Loop Voltage Out of Range | SDM | DTC B0028, B0029, or B0030 |
| B0040 | Left Front Side Deployment Loop Resistance Low | SDM | DTC B0040, B0041, or B0045 |
| B0041 | Left Front Deployment Loop Open | SDM | DTC B0040, B0041, or B0045 |
| B0042 | Driver Frontal Deployment Loop Stage 2 Resistance Low | SDM | DTC B0022, B0024, B0026, B0042, B0043, or B0044 |
| B0043 | Driver Frontal Deployment Loop Stage 2 Voltage Out of Range | SDM | DTC B0022, B0024, B0026, B0042, B0043, or B0044 |
| B0044 | Driver Frontal Deployment Loop Stage 2 Open | SDM | DTC B0022, B0024, B0026, B0042, B0043, or B0044 |
| B0045 | Left Front Side Deployment Loop Voltage Out of Range | SDM | DTC B0040, B0041, or B0045 |
| B0051 | Deployment Commanded | SDM | DTC B0051 |
| B0053 | Deployment Commanded With Loop DTCs Present | SDM | DTC B0053 |
| B0057 | Right Front Pretensioner Deployment Loop Resistance Low | SDM | DTC B0057, B0058, or B0059 |
| B0058 | Right Front Pretensioner Deployment Loop Open | SDM | DTC B0057, B0058, or B0059 |
| B0059 | Right Front Pretensioner Deployment Loop Voltage Out of Range | SDM | DTC B0057, B0058, or B0059 |
| B0064 | Left Front Pretensioner Deployment Loop Resistance Low | SDM | DTC B0064, B0065, or B0066 |
| B0065 | Left Front Pretensioner Deployment Loop Open | SDM | DTC B0064, B0065, or B0066 |
| B0066 | Left Front Pretensioner Deployment Loop Voltage Out of Range | SDM | DTC B0064, B0065, or B0066 |
| B0077 | Driver Side Impact Sensor (SIS) Performance | SDM | DTC B0077, B0078, B0079, B0080, B0081, or B0082 |
| B0078 | Passenger Side Impact Sensor (SIS) Performance | SDM | DTC B0077, B0078, B0079, B0080, B0081, or B0082 |
| B0079 | Incorrect Driver Side Impact Sensor (SIS) Installed | SDM | DTC B0077, B0078, B0079, B0080, B0081, or B0082 |
| B0080 | Discard Driver Side Impact Sensor (SIS) | SDM | DTC B0077, B0078, B0079, B0080, B0081, or B0082 |
| B0081 | Incorrect Passenger Side Impact Sensor (SIS) Installed | SDM | DTC B0077, B0078, B0079, B0080, B0081, or B0082 |
| B0082 | Discard Passenger Side Impact Sensor (SIS) | SDM | DTC B0077, B0078, B0079, B0080, B0081, or B0082 |
| B0092 | Passenger Presence System Performance | SDM | DTC B0092 |
| B0098 | Passenger Presence System Configuration Error | SDM | DTC B0098 |
| B0100 | Front End Sensor 1 Performance | SDM | DTC B0100, B0101, B0102, B0103, B0104, or B0105 |
| B0101 | Discard Front End Sensor 1 | SDM | DTC B0100, B0101, B0102, B0103, B0104, or B0105 |
| B0102 | Incorrect Front End Sensor 1 Installed | SDM | DTC B0100, B0101, B0102, B0103, B0104, or B0105 |
| B0103 | Front End Sensor 2 Performance | SDM | DTC B0100, B0101, B0102, B0103, B0104, or B0105 |
| B0104 | Discard Front End Sensor 2 | SDM | DTC B0100, B0101, B0102, B0103, B0104, or B0105 |
| B0105 | Incorrect Front End Sensor 2 Installed | SDM | DTC B0100, B0101, B0102, B0103, B0104, or B0105 |
| B0159 | Outside Air Temperature Sensor Circuit Range/Performance | HVAC Control Module | DTC B0159, B0164, B0174, B0179, B0510, or B0515 |
| B0164 | Passenger Compartment Temperature Sensor Circuit Range/Performance | HVAC Control Module | DTC B0159, B0164, B0174, B0179, B0510, or B0515 |
| B0174 | Output Air Temperature Sensor 1 Circuit Range/Performance | HVAC Control Module | DTC B0159, B0164, B0174, B0179, B0510, or B0515 |
| B0179 | Output Air Temperature Sensor 2 Circuit Range/Performance | HVAC Control Module | DTC B0159, B0164, B0174, B0179, B0510, or B0515 |
| B0184 | Solar Load Sensor 1 Circuit Performance | HVAC Control Module | DTC B0184 or B0189 |
| B0189 | Solar Load Sensor 2 Circuit Performance | HVAC Control Module | DTC B0184 or B0189 |
| B0248 | Air Flow Control 3 Circuit | HVAC Control Module | DTC B0248, B0268, or B0418 |
| B0249 | Air Flow Control 3 Circuit Range/Performance | HVAC Control Module | DTC B0249, B0269, or B0419
w/ C67 or DTC B0249, B0269, B0409, or B0419 w/ CJ2 |
| B0268 | Air Flow Control 7 Circuit | HVAC Control Module | DTC B0248, B0268, or B0418 |
| B0269 | Air Flow Control 7 Circuit Range/Performance | HVAC Control Module | DTC B0249, B0269, or B0419
w/ C67 or DTC B0249, B0269, B0409, or B0419 w/ CJ2 |
| B0283 | Electric Rear Defrost Circuit | BCM | DTC B0283 |
| B0409 | Temperature Control 1 Circuit Range | HVAC Control Module | DTC B0249, B0269, B0409, or B0419 |
| B0414 | Air Flow Control 3 Circuit | HVAC Control Module | DTC B0414, B0424, B3748, or B3749 |
| B0418 | Temperature Control 2 Circuit | HVAC Control Module | DTC B0248, B0268, or B0418 |
| B0419 | Temperature Control 2 Circuit Range | HVAC Control Module | DTC B0249, B0269, or B0419
w/ C67 or DTC B0249, B0269, B0409, or B0419 w/ CJ2 |
| B0424 | Temperature Control 2 Feedback Circuit Range/Performance | HVAC Control Module | DTC B0424, B3748, or B3749 w/ C67 |
| Air Flow Control 7 Circuit | HVAC Control Module | DTC B0414, B0424, B3748, or B3749 w/ CJ2 | |
| B0510 | Output Air Temperature Sensor 3 Circuit Range/Performance | HVAC Control Module | DTC B0159, B0164, B0174, B0179, B0510, or B0515 |
| B0515 | Output Air Temperature Sensor 4 Circuit Range/Performance | HVAC Control Module | DTC B0159, B0164, B0174, B0179, B0510, or B0515 |
| B0931 | Compass Sensor Circuit | DIC | DTC B0931 |
| B1000 | Electronic Control Unit (ECU) Performance | BCM, SDM, Radio, IPC, DRR, VCIM, DIC, HUD, HVAC | DTC B1000 |
| B1001 | Option Configuration Error | BCM, DRR, IPC, Radio, SDM | DTC B1001 |
| DRR, Radio | DTC B1001 | ||
| SDM | DTC B1001 | ||
| B1004 | Electronic Control Unit Identification Circuit | VCIM, DRR | DTC B1004 |
| B1007 | EEPROM Read/Write Error | BCM, Radio, IPC, DRR, VCIM, DIC, HUD, HVAC | DTC B1007 |
| B1009 | EEPROM Checksum Mismatch | Radio, VCIM | DTC B1009 |
| B1013 | Calibration Read Only Memory (ROM) Checksum Error | BCM, Radio, IPC, DRR, VCIM, DIC, HUD, HVAC | DTC B1013 |
| B1014 | Program Read Only Memory (ROM) Checksum Error | BCM | DTC B1014 |
| B1025 | Audio Output Circuit | Radio | DTC B1025, B1035, B1045, or B1055 |
| B1259 | Antenna Ground Circuit | DRR | DTC B1259 |
| B1327 | Device Power 1 Circuit Low | BCM | DTC B1327 |
| B1328 | Device Power 1 Circuit High | BCM | DTC B1328 |
| B1370 | Device Ignition 1 Circuit | BCM | DTC B1370 |
| B1380 | Device Ignition ACCESSORY Circuit | BCM | DTC B1380 |
| B1385 | Device Ignition START Circuit | BCM | DTC B1385 |
| B1390 | Device Voltage Reference Input 1 Circuit | BCM | DTC B1390 |
| B1428 | Ignition-Switched Power Relay 1 Circuit | BCM | DTC B1428 |
| B1475 | Retained Accessory Power Circuit | BCM | DTC B1475 |
| B1516 | Battery Current Sensor Performance | BCM | DTC B1516 |
| B1780 | Theftlock Enabled | Radio | DTC B1780 |
| B1920 | Seat Heater Timer Circuit | BCM | DTC B1920 or B2165 |
| B1925 | Seat Heater Sensor Circuit | BCM | DTC B1925 or B2170 |
| B2165 | Seat Heater Timer Circuit | BCM | DTC B1920 or B2165 |
| B2170 | Seat Heater Sensor | BCM | DTC B1925 or B2170 |
| B2455 | Cellular Phone Microphone Circuit Malfunction | OnStar® VCIM | DTC B2455 |
| B2462 | Global Positioning System (GPS) Signal Error | Navigation Radio | DTC B2462 |
| B2470 | Cellular Phone Antenna Circuit Malfunction | OnStar® VCIM | DTC B2470 |
| B2476 | Cellular Phone Select Service Switch Malfunction | OnStar® VCIM | DTC B2476 |
| B2482 | Cellular Phone Select Switch Range/Performance | OnStar® VCIM | DTC B2482 |
| B2483 | Global Positioning System (GPS) Sensor Circuit Low | OnStar® VCIM | DTC B2483 or B2484 |
| B2484 | Global Positioning System (GPS) Sensor Circuit Open | OnStar® VCIM | DTC B2483 or B2484 |
| B2508 | Seat Heater Relay Circuit | BCM | DTC B2508 or B2509 |
| B2509 | Seat Heater Relay Circuit | BCM | DTC B2508 or B2509 |
| B2525 | Front Fog Lamps Enable Circuit | BCM | DTC B2525 |
| B2545 | Backup Lamps Circuit | BCM | DTC B2545 |
| B2580 | Headlamp High Beam Control Circuit | BCM | DTC B2580 |
| B2610 | Instrument Panel Dimming Circuit | BCM | DTC B2610 |
| B2645 | Ambient Light Sensor Circuit | BCM | DTC B2645 |
| B2705 | Gearshift Unlock Circuit | BCM | DTC B2705 |
| B2750 | Horn Relay Coil Circuit | BCM | DTC B2750 |
| B2945 | Security System Sensor Power Circuit | BCM | DTC B2945 |
| B2960 | Security System Sensor Data Incorrect but Valid | BCM | DTC B2960 |
| B3031 | Security System Controller In Learn Mode | BCM | DTC B3031 |
| B3055 | No Transponder Modulation or No Transponder | BCM | DTC B3055 |
| B3101 | Keyless Entry Data Link Circuit Range/Performance | BCM | DTC B3101 |
| B3102 | Keyless Entry Data Link Circuit Low | BCM | DTC B3102 |
| B3103 | Keyless Entry Data Link Circuit High | BCM | DTC B3103 |
| B3106 | Keyless Entry Data Link Parity Error | BCM | DTC B3106 |
| B3445 | Stop Lamp Circuit | BCM | DTC B3445 |
| B3619 | Head-Up Display (HUD) Change Page Switch Circuit | HUD | DTC B3619 |
| B3620 | Head Up Display (HUD) Information Up Switch Circuit | HUD | DTC B3620 |
| B3621 | Head Up Display (HUD) Information Down Switch Circuit | HUD | DTC B3621 |
| B3634 | Head Up Display (HUD) Dimming Switch Circuit | HUD | DTC B3634 |
| B3748 | Air Flow Control 3 Feedback Circuit Range/Performance | HVAC Control Module | DTC B0424, B3748, or B3749 w/ C67 |
| Temperature Control 1 Circuit | HVAC Control Module | DTC B0414, B0424, B3748, or B3749 w/ CJ2 | |
| B3749 | Air Flow Control 7 Feedback Circuit Range/Performance | HVAC Control Module | DTC B0424, B3748, or B3749 w/ C67 |
| Temperature Control 2 Circuit | HVAC Control Module | DTC B0414, B0424, B3748, or B3749 w/ CJ2 | |
| B3838 | Park Lamp Relay Control Circuit | BCM | DTC B3838 |
| B3873 | Front Washer Relay Circuit | BCM | DTC B3873 |
| B3874 | Wiper Low Speed Relay Circuit | BCM | DTC B3874 |
| B3875 | Wiper High Speed Relay Circuit | BCM | DTC B3875 |
| B3922 | Front Wiper Select Circuit | BCM | DTC B3922 |
| B3948 | Left Front Turn Signal Circuit | BCM | DTC B3948 |
| B3949 | Right Front Turn Signal Circuit | BCM | DTC B3949 |
| B3950 | Left Rear Turn Signal Circuit | BCM | DTC B3950 |
| B3951 | Right Rear Turn Signal Circuit | BCM | DTC B3951 |
| C0035 | Left Front Wheel Speed Sensor Circuit | EBCM | DTC C0035-C0051 |
| C0036 | Left Front Wheel Speed Sensor Circuit Range/Performance | EBCM | DTC C0035-C0051 |
| C0040 | Right Front Wheel Speed Sensor Circuit | EBCM | DTC C0035-C0051 |
| C0041 | Right Front Wheel Speed Sensor Circuit Range/Performance | EBCM | DTC C0035-C0051 |
| C0045 | Left Rear Wheel Speed Sensor Circuit | EBCM | DTC C0035-C0051 |
| C0046 | Left Rear Wheel Speed Sensor Circuit Range/Performance | EBCM | DTC C0035-C0051 |
| C0050 | Right Rear Wheel Speed Sensor Circuit | EBCM | DTC C0035-C0051 |
| C0051 | Right Rear Wheel Speed Sensor Circuit Range/Performance | EBCM | DTC C0035-C0051 |
| C0060 | Left Front Antilock Brake System (ABS) Solenoid 1 Circuit | EBCM | DTC C0060-C0095 |
| C0065 | Left Front Antilock Brake System (ABS) Solenoid 2 Circuit | EBCM | DTC C0060-C0095 |
| C0070 | Right Front Antilock Brake System (ABS) Solenoid 1 Circuit | EBCM | DTC C0060-C0095 |
| C0075 | Right Front Antilock Brake System (ABS) Solenoid 2 Circuit | EBCM | DTC C0060-C0095 |
| C0080 | Left Rear Antilock Brake System (ABS) Solenoid 1 Circuit | EBCM | DTC C0060-C0095 |
| C0085 | Left Rear Antilock Brake System (ABS) Solenoid 2 Circuit | EBCM | DTC C0060-C0095 |
| C0090 | Right Rear Antilock Brake System (ABS) Solenoid 1 Circuit | EBCM | DTC C0060-C0095 |
| C0095 | Right Rear Antilock Brake System (ABS) Solenoid 2 Circuit | EBCM | DTC C0060-C0095 |
| C0110 | Pump Motor Circuit Malfunction | EBCM | DTC C0110 |
| C0121 | Valve Relay Circuit Malfunction | EBCM | DTC C0121 |
| C0131 | Antilock Brake System (ABS)/Traction Control System (TCS) Pressure Circuit | EBCM | DTC C0131 |
| C0132 | Antilock Brake System (ABS)/Traction Control System (TCS) Pressure Circuit Range/Performance | EBCM | DTC C0132 |
| C0141 | Left Traction Control System (TCS) Solenoid 1 Circuit | EBCM | DTC C0141-C0156 |
| C0146 | Left Traction Control System (TCS) Solenoid 2 Circuit | EBCM | DTC C0141-C0156 |
| C0151 | Right Traction Control System (TCS) Solenoid 1 Circuit | EBCM | DTC C0141-C0156 |
| C0156 | Right Traction Control System (TCS) Solenoid 2 Circuit | EBCM | DTC C0141-C0156 |
| C0161 | Antilock Brake System (ABS)/Traction Control System (TCS) Brake Sensor Circuit | EBCM | DTC C0161 |
| C0186 | Lateral Accelerometer Circuit | EBCM | DTC C0186 |
| C0187 | Lateral Accelerometer Circuit Range/Performance | EBCM | DTC C0187 |
| C0196 | Yaw Rate Circuit | EBCM | DTC C0196 |
| C0197 | Yaw Rate Circuit Range/Performance | EBCM | DTC C0197 |
| C0236 | Traction Control System (TCS) Engine RPM Signal Circuit | EBCM | DTC C0236 |
| C0240 | Powertrain Control Module (PCM) Traction Control Not Allowed | EBCM | DTC C0240 |
| C0241 | Powertrain Control Module (PCM) Indicated Requested Torque Malfunction | EBCM | DTC C0241 or P0856 |
| C0244 | Pulse Width Modulated (PWM) Delivered Torque | EBCM | DTC C0244 or P1689 |
| C0245 | Wheel Speed Sensor Frequency Error | EBCM | DTC C0245 |
| C0252 | Vehicle Stability Enhancement System (VSES) Sensors Uncorrelated | EBCM | DTC C0252 |
| C0253 | Centering Error | EBCM | DTC C0253 |
| C0277 | Brake Pedal Position Sensor Circuit | BCM | DTC C0277 |
| C0278 | Brake Pedal Position Sensor Not Calibrated | BCM | DTC C0278 |
| C0283 | Brake Pedal Position Sensor Circuit Low | BCM | DTC C0283 |
| C0450 | Steering Assist Control Actuator Circuit | EBCM | DTC C0450 |
| C0550 | Electronic Control Unit (ECU) Performance | EBCM | DTC C0550 |
| C0710 | Steering Position Signal | EBCM | DTC C0710 |
| C0870 | Device Voltage Reference Output 1 Circuit | EBCM | DTC C0870 |
| Brake Pedal Position Sensor Voltage Reference Output Circuit | BCM | DTC C0870 | |
| C0875 | Device Voltage Reference Input 2 Circuit | EBCM | DTC C0875 |
| P0016 | Crankshaft Position (CKP)-Camshaft Position (CMP) Correlation | ECM, PCM | DTC P0016
for the 3.8L engine or DTC P0016 for the 5.3L engine |
| P0030 | HO2S Heater Control Circuit Bank 1 Sensor 1 | PCM | DTC P0030 for the 3.8L engine |
| HO2S Heater Control Circuit Sensor 1 | ECM | DTC P0030 or P0036 for the 5.3L engine | |
| P0033 | Supercharger Bypass Valve Solenoid Control Circuit | PCM | DTC P0033 for the 3.8L engine |
| P0036 | HO2S Heater Control Circuit Bank 1 Sensor 2 | PCM | DTC P0036 for the 3.8L engine |
| Heater Control Circuit Sensor 2 | ECM | DTC P0030 or P0036 for the 5.3L engine | |
| P0053 | HO2S Heater Resistance Bank 1 Sensor 1 | PCM | DTC P0053 for the 3.8L engine |
| HO2S Heater Resistance Sensor 1 | ECM | DTC P0053 or P0054 for the 5.3L engine | |
| P0054 | HO2S Heater Resistance Bank 1 Sensor 2 | PCM | DTC P0054 for the 3.8L engine |
| HO2S Heater Resistance Sensor 2 | ECM | DTC P0053 or P0054 for the 5.3L engine | |
| P0068 | Throttle Body Airflow Performance | ECM, PCM | DTC P0068
for the 3.8L engine or DTC P0068 for the 5.3L engine |
| P0069 | Manifold Absolute Pressure - Barometric Pressure Correlation | PCM | DTC P0069 for the 3.8L engine |
| P0101 | Mass Air Flow (MAF) Sensor Performance | ECM, PCM | DTC P0101
for the 3.8L engine or DTC P0101 for the 5.3L engine |
| P0102 | Mass Air Flow (MAF) Sensor Circuit Low Frequency | ECM, PCM | DTC P0102 or P0103
for the 3.8L engine or DTC P0102 for the 5.3L engine |
| P0103 | Mass Air Flow (MAF) Sensor Circuit High Frequency | ECM, PCM | DTC P0102 or P0103
for the 3.8L engine or DTC P0103 for the 5.3L engine |
| P0106 | Manifold Absolute Pressure (MAP) Sensor Performance | ECM | DTC P0106 for the 5.3L engine |
| P0107 | Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage | ECM, PCM | DTC P0107, P0108, P1106, or P1107
for the 3.8L engine or DTC P0107 for the 5.3L engine |
| P0108 | Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage | ECM, PCM | DTC P0107, P0108, P1106, or P1107
for the 3.8L engine or DTC P0108 for the 5.3L engine |
| P0112 | Intake Air Temperature (IAT) Sensor Circuit Low Voltage | ECM, PCM | DTC P0112, P0113, P1111, or P1112
for the 3.8L engine or DTC P0112 for the 5.3L engine |
| P0113 | Intake Air Temperature (IAT) Sensor Circuit High Voltage | ECM, PCM | DTC P0112, P0113, P1111, or P1112
for the 3.8L engine or DTC P0113 for the 5.3L engine |
| P0116 | Engine Coolant Temperature (ECT) Sensor Performance | ECM, PCM | DTC P0116, P0125, or P0128
for the 3.8L engine or DTC P0116 for the 5.3L engine |
| P0117 | Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage | ECM, PCM | DTC P0117, P0118, P1114, or P1115
for the 3.8L engine or DTC P0117 for the 5.3L engine |
| P0118 | Engine Coolant Temperature (ECT) Sensor Circuit High Voltage | ECM, PCM | DTC P0117, P0118, P1114, or P1115
for the 3.8L engine or DTC P0118 for the 5.3L engine |
| P0120 | Throttle Position (TP) Sensor 1 Circuit | ECM, PCM | DTC P0120
for the 3.8L engine or DTC P0120 for the 5.3L engine |
| P0121 | Throttle Position (TP) Sensor 1 Performance | ECM | DTC P0121 for the 5.3L engine |
| P0122 | Throttle Position (TP) Sensor 1 Circuit Low Voltage | ECM | DTC P0122 for the 5.3L engine |
| P0123 | Throttle Position (TP) Sensor 1 Circuit High Voltage | ECM | DTC P0123 for the 5.3L engine |
| P0125 | Engine Coolant Temperature (ECT) Insufficient for Closed Loop Fuel Control | PCM | DTC P0116, P0125, or P0128 for the 3.8L engine |
| P0128 | Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature | ECM, PCM | DTC P0116, P0125, or P0128
for the 3.8L engine or DTC P0128 for the 5.3L engine |
| P0131 | HO2S Circuit Low Voltage Bank 1 Sensor 1 | PCM | DTC P0131 for the 3.8L engine |
| HO2S Circuit Low Voltage Sensor 1 | ECM | DTC P0131 for the 5.3L engine | |
| P0132 | HO2S Circuit High Voltage Bank 1 Sensor 1 | PCM | DTC P0132 for the 3.8L engine |
| HO2S Circuit High Voltage Sensor 1 | ECM | DTC P0132 for the 5.3L engine | |
| P0133 | HO2S Slow Response Bank 1 Sensor 1 | PCM | DTC P0133 for the 3.8L engine |
| HO2S Slow Response Sensor 1 | ECM | DTC P0133 for the 5.3L engine | |
| P0134 | HO2S Circuit Insufficient Activity Bank 1 Sensor 1 | PCM | DTC P0134 for the 3.8L engine |
| HO2S Circuit Insufficient Activity Sensor 1 | ECM | DTC P0134 for the 5.3L engine | |
| P0135 | HO2S Heater Performance Bank 1 Sensor 1 | PCM | DTC P0135 for the 3.8L engine |
| HO2S Heater Performance Sensor 1 | ECM | DTC P0135 or P0141 for the 5.3L engine | |
| P0136 | HO2S Circuit Sensor 2 | ECM | DTC P0136 for the 5.3L engine |
| P0137 | HO2S Circuit Low Voltage Bank 1 Sensor 2 | PCM | DTC P0137 for the 3.8L engine |
| HO2S Circuit Low Voltage Sensor 2 | ECM | DTC P0137 for the 5.3L engine | |
| P0138 | HO2S Circuit High Voltage Bank 1 Sensor 2 | PCM | DTC P0138 for the 3.8L engine |
| HO2S Circuit High Voltage Sensor 2 | ECM | DTC P0138 for the 5.3L engine | |
| P0140 | HO2S Circuit Insufficient Activity Bank 1 Sensor 2 | PCM | DTC P0140 for the 3.8L engine |
| HO2S Circuit Insufficient Activity Sensor 2 | ECM | DTC P0140 for the 5.3L engine | |
| P0141 | HO2S Heater Performance Bank 1 Sensor 2 | PCM | DTC P0141 for the 3.8L engine |
| HO2S Heater Performance Sensor 2 | ECM | DTC P0135 or P0141 for the 5.3L engine | |
| P0171 | Fuel Trim System Lean | ECM, PCM | DTC P0171
for the 3.8L engine or DTC P0171 for the 5.3L engine |
| P0172 | Fuel Trim System Rich | ECM, PCM | DTC P0172
for the 3.8L engine or DTC P0172 for the 5.3L engine |
| P0201 | Injector 1 Control Circuit | ECM, PCM | DTC P0201-P0206
for the 3.8L engine or DTC P0201-P0208 for the 5.3L engine |
| P0202 | Injector 2 Control Circuit | ECM, PCM | DTC P0201-P0206
for the 3.8L engine or DTC P0201-P0208 for the 5.3L engine |
| P0203 | Injector 3 Control Circuit | ECM, PCM | DTC P0201-P0206
for the 3.8L engine or DTC P0201-P0208 for the 5.3L engine |
| P0204 | Injector 4 Control Circuit | ECM, PCM | DTC P0201-P0206
for the 3.8L engine or DTC P0201-P0208 for the 5.3L engine |
| P0205 | Injector 5 Control Circuit | ECM, PCM | DTC P0201-P0206
for the 3.8L engine or DTC P0201-P0208 for the 5.3L engine |
| P0206 | Injector 6 Control Circuit | ECM, PCM | DTC P0201-P0206
for the 3.8L engine or DTC P0201-P0208 for the 5.3L engine |
| P0207 | Injector 7 Control Circuit | ECM | DTC P0201-P0208 for the 5.3L engine |
| P0208 | Injector 8 Control Circuit | ECM | DTC P0201-P0208 for the 5.3L engine |
| P0218 | Transmission Fluid Overtemperature | PCM, TCM | DTC P0218 (3.8L) or DTC P0218 (5.3L) for the 4T65-E transaxle |
| P0220 | Throttle Position (TP) Sensor 2 Circuit | ECM, PCM | DTC P0220
for the 3.8L engine or DTC P0220 for the 5.3L engine |
| P0222 | Throttle Position (TP) Sensor 2 Circuit Low Voltage | ECM | DTC P0222 for the 5.3L engine |
| P0223 | Throttle Position (TP) Sensor 2 Circuit High Voltage | ECM | DTC P0223 for the 5.3L engine |
| P0230 | Fuel Pump Relay Control Circuit | ECM, PCM | DTC P0230
for the 3.8L engine or DTC P0230 for the 5.3L engine |
| P0300 | Engine Misfire Detected | ECM, PCM | DTC P0300
for the 3.8L engine or DTC P0300 - P0308 for the 5.3L engine |
| P0301 | Cylinder 1 Misfire Detected | ECM | DTC P0300 - P0308 for the 5.3L engine |
| P0302 | Cylinder 2 Misfire Detected | ECM | DTC P0300 - P0308 for the 5.3L engine |
| P0303 | Cylinder 3 Misfire Detected | ECM | DTC P0300 - P0308 for the 5.3L engine |
| P0304 | Cylinder 4 Misfire Detected | ECM | DTC P0300 - P0308 for the 5.3L engine |
| P0305 | Cylinder 5 Misfire Detected | ECM | DTC P0300 - P0308 for the 5.3L engine |
| P0306 | Cylinder 6 Misfire Detected | ECM | DTC P0300 - P0308 for the 5.3L engine |
| P0307 | Cylinder 7 Misfire Detected | ECM | DTC P0300 - P0308 for the 5.3L engine |
| P0308 | Cylinder 8 Misfire Detected | ECM | DTC P0300 - P0308 for the 5.3L engine |
| P0315 | Crankshaft Position (CKP) System Variation Not Learned | ECM, PCM | DTC P0315
for the 3.8L engine or DTC P0315 for the 5.3L engine |
| P0325 | Knock Sensor (KS) Module Performance | PCM | DTC P0325, P0326, P0327, or P0332 for the 3.8L engine |
| Knock Sensor (KS) Circuit | ECM | DTC P0325 for the 5.3L engine | |
| P0326 | Knock Sensor (KS) Performance | ECM | DTC P0326 for the 5.3L engine |
| P0327 | Knock Sensor (KS) Circuit Bank 1 | PCM | DTC P0325, P0326, P0327, or P0332 for the 3.8L engine |
| Knock Sensor (KS) 1 Circuit Low Frequency | ECM | DTC P0327 or P0332 for the 5.3L engine | |
| P0332 | Knock Sensor (KS) Circuit Bank 2 | PCM | DTC P0325, P0326, P0327, or P0332 for the 3.8L engine |
| Knock Sensor (KS) 2 Circuit Low Frequency | ECM | DTC P0327 or P0332 for the 5.3L engine | |
| P0335 | Crankshaft Position (CKP) Sensor A Circuit | PCM | DTC P0335 for the 3.8L engine |
| Crankshaft Position (CKP) Sensor Circuit | ECM | DTC P0335 for the 5.3L engine | |
| P0336 | Crankshaft Position (CKP) Sensor A Performance | PCM | DTC P0336 for the 3.8L engine |
| Crankshaft Position (CKP) Sensor Performance | ECM | DTC P0336 for the 5.3L engine | |
| P0340 | Camshaft Position (CMP) Sensor Circuit | ECM, PCM | DTC P0340
for the 3.8L engine or DTC P0340 for the 5.3L engine |
| P0341 | Camshaft Position (CMP) Sensor Performance | ECM, PCM | DTC P0341
for the 3.8L engine or DTC P0341 for the 5.3L engine |
| P0350 | Ignition Coil Control Circuit | PCM | DTC P0350 for the 3.8L engine |
| P0351 | Ignition Coil 1 Control Circuit | ECM | DTC P0351-P0358 for the 5.3L engine |
| P0352 | Ignition Coil 2 Control Circuit | ECM | DTC P0351-P0358 for the 5.3L engine |
| P0353 | Ignition Coil 3 Control Circuit | ECM | DTC P0351-P0358 for the 5.3L engine |
| P0354 | Ignition Coil 4 Control Circuit | ECM | DTC P0351-P0358 for the 5.3L engine |
| P0355 | Ignition Coil 5 Control Circuit | ECM | DTC P0351-P0358 for the 5.3L engine |
| P0356 | Ignition Coil 6 Control Circuit | ECM | DTC P0351-P0358 for the 5.3L engine |
| P0357 | Ignition Coil 7 Control Circuit | ECM | DTC P0351-P0358 for the 5.3L engine |
| P0358 | Ignition Coil 8 Control Circuit | ECM | DTC P0351-P0358 for the 5.3L engine |
| P0385 | Crankshaft Position (CKP) Sensor B Circuit | PCM | DTC P0385 for the 3.8L engine |
| P0386 | Crankshaft Position (CKP) Sensor B Performance | PCM | DTC P0386 for the 3.8L engine |
| P0401 | Exhaust Gas Recirculation (EGR) Flow Insufficient | PCM | DTC P0401 for the 3.8L engine |
| P0403 | Exhaust Gas Recirculation (EGR) Solenoid Control Circuit | PCM | DTC P0403 for the 3.8L engine |
| P0404 | Exhaust Gas Recirculation (EGR) Open Position Performance | PCM | DTC P0404 for the 3.8L engine |
| P0405 | Exhaust Gas Recirculation (EGR) Position Sensor Circuit Low Voltage | PCM | DTC P0405 for the 3.8L engine |
| P0406 | Exhaust Gas Recirculation (EGR) Position Sensor Circuit High Voltage | PCM | DTC P0406 for the 3.8L engine |
| P0411 | Secondary Air Injection (AIR) System Insufficient Flow | PCM | DTC P0411 (L26, NU3) for the 3.8L engine |
| P0412 | Secondary Air Injection (AIR) Solenoid Relay Control Circuit | PCM | DTC P0412 (L26, NU3) for the 3.8L engine |
| P0418 | Secondary Air Injection (AIR) Pump Control Circuit | PCM | DTC P0418 (L26, NU3) for the 3.8L engine |
| P0420 | Catalyst System Low Efficiency | ECM, PCM | DTC P0420
for the 3.8L engine or DTC P0420 for the 5.3L engine |
| P0442 | Evaporative Emission (EVAP) System Small Leak Detected | ECM, PCM | DTC P0442
for the 3.8L engine or DTC P0442 for the 5.3L engine |
| P0443 | Evaporative Emission (EVAP) Purge Solenoid Control Circuit | ECM, PCM | DTC P0443
for the 3.8L engine or DTC P0443 for the 5.3L engine |
| P0446 | Evaporative Emission (EVAP) Vent System Performance | ECM, PCM | DTC P0446
for the 3.8L engine or DTC P0446 for the 5.3L engine |
| P0449 | Evaporative Emission (EVAP) Vent Solenoid Control Circuit | ECM, PCM | DTC P0449
for the 3.8L engine or DTC P0449 for the 5.3L engine |
| P0451 | Fuel Tank Pressure (FTP) Sensor Performance | ECM, PCM | DTC P0451
for the 3.8L engine or DTC P0451 for the 5.3L engine |
| P0452 | Fuel Tank Pressure (FTP) Sensor Circuit Low Voltage | ECM, PCM | DTC P0452
for the 3.8L engine or DTC P0452 for the 5.3L engine |
| P0453 | Fuel Tank Pressure (FTP) Sensor Circuit High Voltage | ECM, PCM | DTC P0453
for the 3.8L engine or DTC P0453 for the 5.3L engine |
| P0454 | Fuel Tank Pressure (FTP) Sensor Circuit Intermittent | ECM, PCM | DTC P0454
for the 3.8L engine or DTC P0454 for the 5.3L engine |
| P0455 | Evaporative Emission (EVAP) System Large Leak Detected | ECM, PCM | DTC P0455
for the 3.8L engine or DTC P0455 for the 5.3L engine |
| P0461 | Fuel Level Sensor Performance | ECM, PCM | DTC P0461 |
| P0462 | Fuel Level Sensor Circuit Low Voltage | ECM, PCM | DTC P0462 |
| P0463 | Fuel Level Sensor Circuit High Voltage | ECM, PCM | DTC P0463 |
| P0464 | Fuel Level Sensor 1 Circuit Intermittent | ECM, PCM | DTC P0464 |
| P0480 | Cooling Fan Relay 1 Control Circuit | ECM, PCM | DTC P0480 or P0481 |
| P0481 | Cooling Fan Relay 2 Control Circuit | ECM, PCM | DTC P0480 or P0481 |
| P0496 | Evaporative Emission (EVAP) System Flow During Non-Purge | ECM, PCM | DTC P0496
for the 3.8L engine or DTC P0496 for the 5.3L engine |
| P0502 | Vehicle Speed Sensor (VSS) Circuit Low Voltage | PCM | DTC P0502 (3.8L) for the 4T65-E transaxle |
| P0503 | Vehicle Speed Sensor (VSS) Circuit Intermittent | PCM | DTC P0503 (3.8L) for the 4T65-E transaxle |
| P0506 | Idle Speed Low | ECM, PCM | DTC P0506
for the 3.8L engine or DTC P0506 for the 5.3L engine |
| P0507 | Idle Speed High | ECM, PCM | DTC P0507
for the 3.8L engine or DTC P0507 for the 5.3L engine |
| P0520 | Engine Oil Pressure (EOP) Sensor Circuit | ECM, PCM | DTC P0520 |
| P0521 | Engine Oil Pressure (EOP) Sensor Performance | ECM, PCM | DTC P0521 |
| P0522 | Engine Oil Pressure (EOP) Sensor Circuit Low Voltage | ECM, PCM | DTC P0522 |
| P0523 | Engine Oil Pressure (EOP) Sensor Circuit High Voltage | ECM, PCM | DTC P0523 |
| P0530 | Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit | ECM, PCM | DTC P0530
w/ CJ2 or DTC P0530 w/ C67 |
| P0556 | Brake Booster Pressure Sensor Performance | ECM | DTC P0556 for the 5.3L engine |
| P0557 | Brake Booster Pressure Sensor Circuit Low Voltage | ECM | DTC P0557 for the 5.3L engine |
| P0558 | Brake Booster Pressure Sensor Circuit High Voltage | ECM | DTC P0558 for the 5.3L engine |
| P0560 | System Voltage | ECM, PCM | DTC P0560 |
| P0562 | System Voltage Low | ECM, PCM | DTC P0562 |
| TCM | DTC P0562 (5.3L) for the 4T65-E transaxle | ||
| P0563 | System Voltage High | ECM, PCM | DTC P0563 |
| TCM | DTC P0563 (5.3L) for the 4T65-E transaxle | ||
| P0564 | Cruise Control Multi-Function Switch Circuit | ECM, PCM | DTC P0564 |
| P0567 | Cruise Control Resume Switch Circuit | ECM, PCM | DTC P0567 |
| P0568 | Cruise Control Set Switch Circuit | ECM, PCM | DTC P0568 |
| P0572 | Cruise Control Brake Pedal Position Sensor Circuit High Voltage | ECM, PCM | DTC P0572 |
| P0573 | Cruise Control Brake Pedal Position Sensor Circuit Low Voltage | ECM, PCM | DTC P0573 |
| P0601 | Control Module Read Only Memory (ROM) | ECM, PCM | DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610
for the 3.8L engine or DTC P0601-P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 for the 5.3L engine |
| Transmission Control Module (TCM) Read Only Memory (ROM) | TCM | DTC P0601, P0602, P0603, or P0604 (5.3L) for the 4T65-E transaxle | |
| P0602 | Control Module Not Programmed | ECM, PCM | DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610
for the 3.8L engine or DTC P0601-P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 for the 5.3L engine |
| Transmission Control Module (TCM) Not Programmed | TCM | DTC P0601, P0602, P0603, or P0604 (5.3L) for the 4T65-E transaxle | |
| P0603 | Control Module Long Term Memory Reset | ECM | DTC P0601-P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 for the 5.3L engine |
| Transmission Control Module (TCM) Long Term Memory Reset | TCM | DTC P0601, P0602, P0603, or P0604 (5.3L) for the 4T65-E transaxle | |
| P0604 | Control Module Random Access Memory (RAM) | ECM, PCM | DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610
for the 3.8L engine or DTC P0601-P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 for the 5.3L engine |
| Transmission Control Module (TCM) Random Access Memory (RAM) | TCM | DTC P0601, P0602, P0603, or P0604 (5.3L) for the 4T65-E transaxle | |
| P0606 | Control Module Internal Performance | ECM, PCM | DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610
for the 3.8L engine or DTC P0601-P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 for the 5.3L engine |
| P0607 | Control Module Performance | ECM | DTC P0601-P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 for the 5.3L engine |
| P0608 | Vehicle Speed Output Circuit | ECM, PCM | DTC P0608 |
| P060D | Control Module Accelerator Pedal Position (APP) System Performance | ECM | DTC P060D for the 5.3L engine |
| P060E | Control Module Throttle Position (TP) System Performance | ECM | DTC P0601-P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 for the 5.3L engine |
| P0615 | Starter Relay Control Circuit | ECM, PCM | DTC P0615 |
| P0621 | Generator L-Terminal Circuit | ECM, PCM | DTC P0621 |
| P0622 | Generator F-Terminal Circuit | ECM, PCM | DTC P0622 |
| P062F | Internal Control Module EEPROM Error | TCM | DTC P062F (5.3L) for the 4T65-E transaxle |
| P0641 | 5-Volt Reference 1 Circuit | ECM, PCM | DTC P0641 or P0651
for the 3.8L engine or DTC P0641 for the 5.3L engine |
| P0645 | Air Conditioning (A/C) Clutch Relay Control Circuit | ECM, PCM | DTC P0645
w/ CJ2 or DTC P0645 w/ C67 |
| P0650 | Malfunction Indicator Lamp (MIL) Control Circuit | ECM, PCM | DTC P0650
for the 3.8L engine or DTC P0650 for the 5.3L engine |
| P0651 | 5-Volt Reference 2 Circuit | ECM, PCM | DTC P0641 or P0651
for the 3.8L engine or DTC P0651 for the 5.3L engine |
| P0685 | Engine Controls Ignition Relay Control Circuit | ECM, PCM | DTC P0685
for the 3.8L engine or DTC P0685, P0689, or P0690 for the 5.3L engine |
| P0689 | Engine Controls Ignition Relay Feedback Circuit Low Voltage | ECM | DTC P0685, P0689, or P0690 for the 5.3L engine |
| P0690 | Engine Controls Ignition Relay Feedback Circuit High Voltage | ECM | DTC P0685, P0689, or P0690 for the 5.3L engine |
| P0700 | Transmission Control Module (TCM) Requested MIL Illumination | ECM | DTC P0700 for the 5.3L engine |
| P0703 | Brake Switch Circuit 2 | ECM, PCM | DTC P0703 (3.8L) or DTC P0703 (5.3L) |
| P0711 | Transmission Fluid Temperature (TFT) Sensor Performance | PCM, TCM | DTC P0711 (3.8L) or DTC P0711 (5.3L) for the 4T65-E transaxle |
| P0712 | Transmission Fluid Temperature (TFT) Sensor Circuit Low Voltage | PCM, TCM | DTC P0712 (3.8L) or DTC P0712 (5.3L) for the 4T65-E transaxle |
| P0713 | Transmission Fluid Temperature (TFT) Sensor Circuit High Voltage | PCM, TCM | DTC P0713 (3.8L) or DTC P0713 (5.3L) for the 4T65-E transaxle |
| P0716 | Input Speed Sensor Performance | PCM, TCM | DTC P0716 (3.8L) or DTC P0716 (5.3L) for the 4T65-E transaxle |
| P0717 | Input Speed Sensor Circuit Low Voltage | PCM, TCM | DTC P0717 (3.8L) or DTC P0717 (5.3L) for the 4T65-E transaxle |
| P0722 | Output Speed Sensor Circuit Low Voltage | TCM | DTC P0722 (5.3L) for the 4T65-E transaxle |
| P0723 | Output Speed Sensor Circuit Intermittent | TCM | DTC P0723 (5.3L) for the 4T65-E transaxle |
| P0741 | Torque Converter Clutch (TCC) System - Stuck Off | PCM, TCM | DTC P0741 (3.8L) or DTC P0741 (5.3L) for the 4T65-E transaxle |
| P0742 | Torque Converter Clutch (TCC) System - Stuck On | PCM, TCM | DTC P0742 (3.8L) or DTC P0742 (5.3L) for the 4T65-E transaxle |
| P0748 | Pressure Control (PC) Solenoid Control Circuit | PCM | DTC P0748 (3.8L) for the 4T65-E transaxle |
| P0751 | 1-2 Shift Solenoid (SS) Valve Performance - No First or Fourth Gear | PCM, TCM | DTC P0751 (3.8L) or DTC P0751 (5.3L) for the 4T65-E transaxle |
| P0752 | 1-2 Shift Solenoid (SS) Valve Performance - No Second or Third Gear | PCM, TCM | DTC P0752 (3.8L) or DTC P0752 (5.3L) for the 4T65-E transaxle |
| P0753 | 1-2 Shift Solenoid (SS) Control Circuit | PCM | DTC P0753 (3.8L) for the 4T65-E transaxle |
| P0756 | 2-3 Shift Solenoid (SS) Valve Performance - No First or Second Gear | PCM, TCM | DTC P0756 (3.8L) or DTC P0756 (5.3L) for the 4T65-E transaxle |
| P0757 | 2-3 Shift Solenoid (SS) Valve Performance - No Third or Fourth Gear | PCM, TCM | DTC P0757 (3.8L) or DTC P0757 (5.3L) for the 4T65-E transaxle |
| P0758 | 2-3 Shift Solenoid (SS) Control Circuit | PCM | DTC P0758 (3.8L) for the 4T65-E transaxle |
| P0815 | Upshift Switch Circuit | PCM, TCM | DTC P0815 (3.8L) or DTC P0815 (5.3L) for the 4T65-E transaxle |
| P0816 | Downshift Switch Circuit | PCM, TCM | DTC P0816 (3.8L) or DTC P0816 (5.3L) for the 4T65-E transaxle |
| P0826 | Up and Down Shift Switch Circuit | PCM, TCM | DTC P0826 (3.8L) or DTC P0826 (5.3L) for the 4T65-E transaxle |
| P0842 | Transmission Fluid Pressure (TFP) Sensor Circuit Low Voltage | TCM | DTC P0842 (5.3L) for the 4T65-E transaxle |
| P0843 | Transmission Fluid Pressure (TFP) Sensor Circuit High Voltage | TCM | DTC P0843 (5.3L) for the 4T65-E transaxle |
| P0856 | Traction Control Torque Request Circuit | ECM, PCM | DTC C0241 or P0856 |
| P0961 | Line Pressure Control (PC) Solenoid System Performance | TCM | DTC P0961 (5.3L) for the 4T65-E transaxle |
| P0973 | 1-2 Shift Solenoid (SS) Control Circuit Low Voltage | TCM | DTC P0973 (5.3L) for the 4T65-E transaxle |
| P0974 | 1-2 Shift Solenoid (SS) Control Circuit High Voltage | TCM | DTC P0974 (5.3L) for the 4T65-E transaxle |
| P0976 | 2-3 Shift Solenoid (SS) Control Circuit Low Voltage | TCM | DTC P0976 (5.3L) for the 4T65-E transaxle |
| P0977 | 2-3 Shift Solenoid (SS) Control Circuit High Voltage | TCM | DTC P0977 (5.3L) for the 4T65-E transaxle |
| P1101 | Intake Air Flow System Performance | ECM | DTC P1101 for the 5.3L engine |
| P1106 | Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent High Voltage | PCM | DTC P0107, P0108, P1106, or P1107 for the 3.8L engine |
| P1107 | Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent Low Voltage | PCM | DTC P0107, P0108, P1106, or P1107 for the 3.8L engine |
| P1111 | Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage | ECM, PCM | DTC P0112, P0113, P1111, or P1112 for the 3.8L engine |
| P1112 | Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage | ECM, PCM | DTC P0112, P0113, P1111, or P1112 for the 3.8L engine |
| P1114 | Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage | ECM, PCM | DTC P0117, P0118, P1114, or P1115 for the 3.8L engine |
| P1115 | Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage | ECM, PCM | DTC P0117, P0118, P1114, or P1115 for the 3.8L engine |
| P1125 | Accelerator Pedal Position (APP) System | PCM | DTC P1125 for the 3.8L engine |
| P1133 | HO2S Insufficient Switching Bank 1 Sensor 1 | PCM | DTC P1133 for the 3.8L engine |
| HO2S Insufficient Switching Sensor 1 | ECM | DTC P1133 for the 5.3L engine | |
| P1134 | HO2S Transition Time Ratio Bank 1 Sensor 1 | PCM | DTC P1134 for the 3.8L engine |
| HO2S Transition Time Ratio Sensor 1 | ECM | DTC P1134 for the 5.3L engine | |
| P1258 | Engine Coolant Overtemperature - Protection Mode Active | ECM, PCM | DTC P1258 |
| P1350 | Ignition Bypass Circuit | PCM | DTC P1350 for the 3.8L engine |
| P1380 | Misfire Detected - Rough Road Data Not Available | ECM | DTC P1380 for the 5.3L engine |
| P1381 | Misfire Detected - No Communication With Brake Control Module | ECM | DTC P1381 for the 5.3L engine |
| P1400 | Cold Start Emission Reduction Control System | PCM | DTC P1400 for the 3.8L engine |
| P1404 | Exhaust Gas Recirculation (EGR) Closed Position Performance | PCM | DTC P1404 for the 3.8L engine |
| P1516 | Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance | ECM, PCM | DTC P1516
for the 3.8L engine or DTC P1516 for the 5.3L engine |
| P1574 | Stop Lamp Switch Circuit | ECM, PCM | DTC P1574 |
| P1621 | Transmission Control Module (TCM) Long Term Memory Performance | ECM | DTC P0601-P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 for the 5.3L engine |
| P1626 | Theft Deterrent Fuel Enable Signal Lost | ECM, PCM | DTC P1626 |
| P1630 | Theft Deterrent Learn Mode Active | ECM, PCM | DTC P1630 |
| P1631 | Theft Deterrent Fuel Enable Signal Not Correct | ECM, PCM | DTC P1631 |
| P1640 | Control Module Output A Circuit | PCM | DTC P1640, P1650, or P1660 for the 3.8L engine |
| P1650 | Control Module Output B Circuit | PCM | DTC P1640, P1650, or P1660 for the 3.8L engine |
| P1660 | Control Module Output C Circuit | PCM | DTC P1640, P1650, or P1660 for the 3.8L engine |
| P1682 | Control Module Throttle Position (TP) System Performance | ECM | DTC P1682 for the 5.3L engine |
| P1689 | Traction Control Delivered Torque Output Circuit | ECM, PCM | DTC C0244 or P1689 |
| P1750 | 1-2 Shift Valve Performance | PCM, TCM | DTC P1750 (3.8L) or DTC P1750 (5.3L) for the 4T65-E transaxle |
| P1811 | Maximum Adapt and Long Shift | PCM, TCM | DTC P1811 (3.8L) or DTC P1811 (5.3L) for the 4T65-E transaxle |
| P1819 | Internal Mode Switch - No Start/Wrong Range | PCM | DTC P1819 (3.8L) for the 4T65-E transaxle |
| P1820 | Internal Mode Switch A Circuit Low Voltage | PCM, TCM | DTC P1820 (3.8L) or DTC P1820 (5.3L) for the 4T65-E transaxle |
| P1822 | Internal Mode Switch B Circuit High Voltage | PCM, TCM | DTC P1822 (3.8L) or DTC P1822 (5.3L) for the 4T65-E transaxle |
| P1823 | Internal Mode Switch P Circuit Low Voltage | PCM, TCM | DTC P1823 (3.8L) or DTC P1823 (5.3L) for the 4T65-E transaxle |
| P1825 | Internal Mode Switch - Invalid Range | PCM, TCM | DTC P1825 (3.8L) or DTC P1825 (5.3L) for the 4T65-E transaxle |
| P1826 | Internal Mode Switch C Circuit High Voltage | PCM, TCM | DTC P1826 (3.8L) or DTC P1826 (5.3L) for the 4T65-E transaxle |
| P1887 | Torque Converter Clutch (TCC) Release Switch Circuit | PCM, TCM | DTC P1887 (3.8L) for the 4T65-E transaxle |
| P1915 | Internal Mode Switch Does Not Indicate Park/Neutral (P/N) During Start | TCM | DTC P1915 (5.3L) for the 4T65-E transaxle |
| P2101 | Control Module Throttle Actuator Position Performance | ECM, PCM | DTC P2101
for the 3.8L engine or DTC P2101 for the 5.3L engine |
| P2107 | Throttle Actuator Control (TAC) Module Internal Circuit | PCM | DTC P2107 for the 3.8L engine |
| P2108 | Throttle Actuator Control (TAC) Module Performance | PCM | DTC P2108 for the 3.8L engine |
| P2119 | Throttle Closed Position Performance | ECM, PCM | DTC P2119
for the 3.8L engine or DTC P2119 for the 5.3L engine |
| P2120 | Accelerator Pedal Position (APP) Sensor 1 Circuit | ECM, PCM | DTC P2120
for the 3.8L engine or DTC P2120 for the 5.3L engine |
| P2122 | Accelerator Pedal Position (APP) Sensor 1 Circuit Low Voltage | ECM | DTC P2122 for the 5.3L engine |
| P2123 | Accelerator Pedal Position (APP) Sensor 1 Circuit High Voltage | ECM | DTC P2123 for the 5.3L engine |
| P2125 | Accelerator Pedal Position (APP) Sensor 2 Circuit | ECM, PCM | DTC P2125
for the 3.8L engine or DTC P2125 for the 5.3L engine |
| P2127 | Accelerator Pedal Position (APP) Sensor 2 Circuit Low Voltage | ECM | DTC P2127 for the 5.3L engine |
| P2128 | Accelerator Pedal Position (APP) Sensor 2 Circuit High Voltage | ECM | DTC P2128 for the 5.3L engine |
| P2135 | Throttle Position (TP) Sensor 1-2 Correlation | ECM, PCM | DTC P2135
for the 3.8L engine or DTC P2135 for the 5.3L engine |
| P2138 | Accelerator Pedal Position (APP) Sensor 1-2 Correlation | ECM, PCM | DTC P2138
for the 3.8L engine or DTC P2138 for the 5.3L engine |
| P2162 | Vehicle Speed Sensor (VSS) Circuit 1-2 Correlation | ECM, PCM | DTC P2162 |
| P2176 | Minimum Throttle Position Not Learned | ECM | DTC P2176 for the 5.3L engine |
| P2227 | Barometric Pressure (BARO) Sensor Performance | PCM | DTC P2227, P2228, or P2229 for the 3.8L engine |
| P2228 | Barometric Pressure (BARO) Sensor Circuit Low Voltage | PCM | DTC P2227, P2228, or P2229 for the 3.8L engine |
| P2229 | Barometric Pressure (BARO) Sensor Circuit High Voltage | PCM | DTC P2227, P2228, or P2229 for the 3.8L engine |
| P2430 | Secondary Air Injection (AIR) System Pressure Sensor Stuck in Range | PCM | DTC P2430 (L26, NU3) for the 3.8L engine |
| P2431 | Secondary Air Injection (AIR) System Pressure Sensor Performance | PCM | DTC P2431 (L26, NU3) for the 3.8L engine |
| P2432 | Secondary Air Injection (AIR) System Pressure Sensor Circuit Low Voltage | PCM | DTC P2432 (L26, NU3) for the 3.8L engine |
| P2433 | Secondary Air Injection (AIR) System Pressure Sensor Circuit High Voltage | PCM | DTC P2433 (L26, NU3) for the 3.8L engine |
| P2440 | Secondary Air Injection (AIR) System Shut-Off Valve Stuck Open | PCM | DTC P2440 (L26, NU3) for the 3.8L engine |
| P2444 | Secondary Air Injection (AIR) System Pump Stuck On | PCM | DTC P2444 (L26, NU3) for the 3.8L engine |
| P2534 | Ignition 1 Switch Circuit Low Voltage | TCM | DTC P2534 (5.3L) for the 4T65-E transaxle |
| P2535 | Ignition One Voltage High | ECM, PCM | DTC P2535 |
| P2610 | Control Module Ignition Off Timer Performance | ECM, PCM | DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610
for the 3.8L engine or DTC P0601-P0607, P060E, P1600, P1621, P1627, P1681, P1683, or P2610 for the 5.3L engine |
| P2761 | Torque Converter Clutch (TCC) Pulse Width Modulation (PWM) Solenoid Control Circuit | TCM | DTC P2761 (3.8L) for the 4T65-E transaxle |
| P2763 | Torque Converter Clutch (TCC) Pressure Control (PC) Solenoid Control Circuit High Voltage | TCM | DTC P2763 (5.3L) for the 4T65-E transaxle |
| P2764 | Torque Converter Clutch (TCC) Pressure Control (PC) Solenoid Control Circuit Low Voltage | TCM | DTC P2764 (5.3L) for the 4T65-E transaxle |
| P2A00 | HO2S Circuit Closed Loop (CL) Performance Bank 1 Sensor 1 | PCM | DTC P2A00 for the 3.8L engine |
| P2A01 | HO2S Circuit Closed Loop (CL) Performance Bank 1 Sensor 2 | PCM | DTC P2A01 for the 3.8L engine |
| P3401 | Cylinder 1 Deactivation Solenoid Control Circuit | ECM | DTC P3401, P3425, P3441, or P3449 for the 5.3L engine |
| P3425 | Cylinder 4 Deactivation Solenoid Control Circuit | ECM | DTC P3401, P3425, P3441, or P3449 for the 5.3L engine |
| P3441 | Cylinder 6 Deactivation Solenoid Control Circuit | ECM | DTC P3401, P3425, P3441, or P3449 for the 5.3L engine |
| P3449 | Cylinder 7 Deactivation Solenoid Control Circuit | ECM | DTC P3401, P3425, P3441, or P3449 for the 5.3L engine |
| U0001 | High Speed CAN Communication Bus | BCM, EBCM, ECM, TCM | DTC U0001 |
| U0073 | Controller Area Network (CAN) Bus Communication | BCM, EBCM, ECM, TCM | DTC U0073 |
| U0100 | Lost Communication With Engine Control Module (ECM) | BCM, EBCM, TCM | DTC U0100-U0299 |
| U0101 | Lost Communication With Transmission Control Module (TCM) | BCM, EBCM, ECM | DTC U0100-U0299 |
| U0107 | Throttle Actuator Control (TAC) Module Serial Data Circuit | ECM, PCM | DTC U0107 for the 3.8L engine |
| U0140 | Lost Communication With Body Control Module (BCM) | EBCM, ECM, TCM | DTC U0100-U0299 |
| U0121 | Lost Communication With Electronic Brake Control Module (EBCM) | BCM, ECM, TCM | DTC U0100-U0299 |
| U1000 | Class 2 Data Link Malfunction | BCM, DIC, DRR, IPC, HUD, HVAC, PCM, Radio, SDM, VCIM | DTC U1000 and U1255 |
| U1016 | Lost Communications With ECM/PCM | BCM, DIC, EBCM, HUD, IPC, VCIM, SDM | DTC U1001-U1254 |
| U1040 | Lost Communications With Electronic Brake Control Module (EBCM) | BCM, DIC, IPC, PCM, SDM | DTC U1001-U1254 |
| U1064 | Lost Communications With Body Control Module (BCM) | DIC, DRR, IPC, HUD, HVAC, Radio, PCM, SDM, VCIM, | DTC U1001-U1254 |
| U1088 | Lost Communications With Sensing and Diagnostic Module (SDM) | BCM, DIC, IPC, HUD, VCIM | DTC U1001-U1254 |
| U1096 | Lost Communications With Instrument Panel Cluster (IPC) | BCM, DIC, SDM, VCIM | DTC U1001-U1254 |
| U1097 | Lost Communications With Driver Information Center (DIC) | Radio | DTC U1001-U1254 |
| U1098 | Lost Communications With Head Up Display (HUD) | BCM, DIC, IPC, VCIM | DTC U1001-U1254 |
| U1128 | Lost Communications With Radio | BCM, VCIM | DTC U1001-U1254 |
| U1137 | Lost Communications With Satellite Digital Audio Reception System | BCM, VCIM | DTC U1001-U1254 |
| U1153 | Lost Communications With HVAC Control Module | BCM, VCIM | DTC U1001-U1254 |
| U1255 | Lost Communications | BCM, DIC, DRR, IPC, HUD, HVAC, PCM, Radio, SDM, VCIM | DTC U1000 and U1255 |
| U1300 | Class 2 Data Link Low | BCM, DIC, DRR, IPC, HUD, HVAC, PCM, Radio, SDM, VCIM | DTC U1300, U1301, or U1305 |
| U1301 | Class 2 Data Link High | BCM, DIC, DRR, IPC, HUD, HVAC, PCM, Radio, SDM, VCIM | DTC U1300, U1301, or U1305 |
| U1305 | Class 2 Data Link Low or High | BCM, DIC, DRR, IPC, HUD, HVAC, PCM, Radio, SDM, VCIM | DTC U1300, U1301, or U1305 |
| U1500 | Inter-device Dedicated Bus Malfunction | OnStar® VCIM | DTC U1500 |
| U1650 | Steering Wheel Sensor CAN Malfunction | EBCM | DTC U1650 |
| U1651 | Steering Wheel Sensor Malfunction | EBCM | DTC U1651 |
| U2100 | Controller Area Network (CAN) Bus Communication | ECM | DTC U2100 |
| U2105 | Lost Communications With Engine Control System | TCM | DTC U2105-U2199 |
| U2107 | Lost Communications With Body Control System | ECM | DTC U2105-U2199 |
| U2108 | Lost Communications With ABS/TCS Control System | ECM | DTC U2105-U2199 |