Module Communications Network DTCS
DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Action |
|---|---|---|---|
| B1201 | Fuel Sender Circuit Failure | Instrument Cluster | REFER to INSTRUMENT CLUSTER . |
| B1204 | Fuel Sender Circuit Short to Ground | Instrument Cluster | REFER to INSTRUMENT CLUSTER . |
| B1205 | HEC Switch-1 Assembly Circuit Failure | Instrument Cluster | REFER to INSTRUMENT CLUSTER . |
| B1208 | HEC Switch-1 Assembly Circuit Short to Ground | Instrument Cluster | REFER to INSTRUMENT CLUSTER . |
| B1231 | Longitudinal Acceleration Threshold Exceeded | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B1249 | Blend Door Failure | EATC Module | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION . |
| B1251 | Climate Control Air Temperature Internal Sensor Circuit Open | EATC Module | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION . |
| B1253 | Climate Control Air Temperature Internal Sensor Short to Ground | EATC Module | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION . |
| B1255 | Climate Control Air Temperature External Sensor Circuit Short to Battery | EATC Module | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION . |
| B1257 | Climate Control Air Temperature External Sensor Circuit Short to Ground | EATC Module | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION . |
| B1261 | Climate Control Solar Radiation Sensor Circuit Short to Ground | EATC Module | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION . |
| B1317 | Battery Voltage High | Instrument Cluster | REFER to INSTRUMENT CLUSTER . |
| B1317 | Battery Voltage Low | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B1317 | Battery Voltage High | RWAS | REFER to GENERATORS & REGULATORS . |
| B1318 | Battery Voltage Low | Instrument Cluster | REFER to INSTRUMENT CLUSTER . |
| B1318 | Battery Voltage Low | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B1318 | Battery Voltage Low | RWAS Module | REFER to GENERATORS & REGULATORS . |
| B1318 | Low Ignition Voltage During Speed Control Operation | Speed Control Module | REFER to GENERATORS & REGULATORS . |
| B1322 | Door Ajar LF Short to Ground | DDM | REFER to INTERIOR LIGHTING . |
| B1334 | Decklid Ajar Rear Door Circuit Short to Ground | LCM | REFER to INTERIOR LIGHTING . |
| B1339 | Chime Input Request Circuit Short to Battery | LCM | REFER to WARNING DEVICES . |
| B1342 | ECU Is Defective | ABS Module | CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new ABS module. REFER to ANTI-LOCK CONTROL - TRACTION CONTROL . CLEAR the DTCs. REPEAT the self-test. |
| B1342 | ECU Is Defective | ACM | CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new ACM. REFER to AUDIO UNIT . CLEAR the DTCs. REPEAT the self-test. |
| B1342 | ECU Is Defective | Instrument Cluster | CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER . CLEAR the DTCs. REPEAT the self-test. |
| B1342 | ECU Is Defective | DDM | CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new DDM. REFER to MODULE - DRIVER DOOR (DDM) . CLEAR the DTCs. REPEAT the self-test. |
| B1342 | ECU Is Defective | LCM | CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new LCM. REFER to MODULE - LIGHTING CONTROL (LCM) . CLEAR the DTCs. REPEAT the self-test. |
| B1342 | ECU Is Defective | Luggage Compartment Lid Module | CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new luggage compartment lid module. REFER to HANDLES, LOCKS, LATCHES & ENTRY SYSTEMS . CLEAR the DTCs. REPEAT the self-test. |
| B1342 | ECU Is Defective | Overhead Console Module | CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new overhead console module. REFER to INFORMATION & MESSAGE CENTER . CLEAR the DTCs. REPEAT the self-test. |
| B1342 | ECU Is Defective | RCM | CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new RCM. REFER to AIR BAG RESTRAINT SYSTEMS . CLEAR the DTCs. REPEAT the self-test. |
| B1342 | ECU Is Defective | RWAS Module | CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new RWAS module. REFER to VEHICLE DYNAMIC SUSPENSION . CLEAR the DTCs. REPEAT the self-test. |
| B1342 (Early Build Vehicles Only) | ECU Is Defective | PSE Module | CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new PSE module. REFER to NAVIGATION SYSTEM . CLEAR the DTCs. REPEAT the self-test. |
| B1342 (Late Build Vehicles Only) | ECU Is Defective | Navigation Module | CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new navigation module. REFER to NAVIGATION SYSTEM . CLEAR the DTCs. REPEAT the self-test. |
| B1342 | ECU Is Defective | Speed Control Module | CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new speed control module. REFER to SPEED CONTROL . CLEAR the DTCs. REPEAT the self-test. |
| B1351 | Key In Ignition Failure | LCM | REFER to WARNING DEVICES . |
| B1359 | Ignition RUN/ACCESSORY Circuit Failure | LCM | REFER to STEERING COLUMN SWITCHES . |
| B1396 | Power Door Lock Circuit Short to Battery | DDM | REFER to HANDLES, LOCKS, LATCHES & ENTRY SYSTEMS . |
| B1397 | Power Door Unlock Circuit Short to Battery | DDM | REFER to HANDLES, LOCKS, LATCHES & ENTRY SYSTEMS . |
| B1449 | Wiper PARK Sense Circuit Short to Ground | LCM | REFER to WIPERS & WASHERS . |
| B1472 | Headlamp Input Circuit Short to Battery | LCM | REFER to EXTERIOR LIGHTING . |
| B1484 | Brake Pedal Input Open Circuit | ABS Module | REFER to ANTI-LOCK CONTROL - TRACTION CONTROL . |
| B1485 | Brake Pedal Input Circuit Short to Battery | LCM | REFER to EXTERIOR LIGHTING . |
| B1520 | Hood Switch Circuit Open | LCM | REFER to INTERIOR LIGHTING . |
| B1526 | Keyless Entry Circuit Short to Ground | DDM | REFER to HANDLES, LOCKS, LATCHES & ENTRY SYSTEMS . |
| B1529 | Memory Set Switch Circuit Short to Battery | DDM | REFER to SEATING . |
| B1533 | Memory Position No. 1 Switch Circuit Short to Battery | DDM | REFER to SEATING . |
| B1537 | Memory Position No. 2 Switch Circuit Short to Battery | DDM | REFER to SEATING . |
| B1545 | Seat Direction Switch Assembly Circuit Short to Battery | DDM | REFER to SEATING . |
| B1551 | Latch/Decklid Release Circuit Failure | Luggage Compartment Lid Module | REFER to HANDLES, LOCKS, LATCHES & ENTRY SYSTEMS . |
| B1553 | Decklid Release Circuit Short to Battery | DDM | REFER to HANDLES, LOCKS, LATCHES & ENTRY SYSTEMS . |
| B1555 | RUN/START Input Circuit Failure | LCM | REFER to STEERING COLUMN SWITCHES . |
| B1566 | RF, LR, RR Door Ajar Circuits Short to Ground | DDM | REFER to INTERIOR LIGHTING . |
| B1566 | Door Ajar Circuit Short to Ground | RWAS Module | REFER to INTERIOR LIGHTING . |
| B1569 | Headlamp High Beam Circuit Short to Battery | LCM | REFER to EXTERIOR LIGHTING . |
| B1578 | Parking Lamp Input Short to Ground | LCM | REFER to EXTERIOR LIGHTING . |
| B1627 (Late Build Vehicles Only) | PRNDL Reverse Input Circuit Failure | Navigation Module | REFER to INSTRUMENT CLUSTER . |
| B1663 | Driver Seat Front Up/Down Motor Stalled | DSM | REFER to SEATING . |
| B1664 | Driver Seat Rear Up/Down Motor Stalled | DSM | REFER to SEATING . |
| B1665 | Driver Seat Forward Backward Motor Stalled | DSM | REFER to SEATING . |
| B1666 | Driver Seat Forward Backward Recline Motor Stalled | DSM | REFER to SEATING . |
| B1667 | Mirror Driver Up/Down Motor Stalled | DSM | REFER to REAR VIEW MIRRORS . |
| B1668 | Mirror Driver Right/Left Motor Stalled | DSM | REFER to REAR VIEW MIRRORS . |
| B1669 | Mirror Passenger Up/Down Motor Stalled | DSM | REFER to REAR VIEW MIRRORS . |
| B1670 | Mirror Passenger Right/Left Motor Stalled | DSM | REFER to REAR VIEW MIRRORS . |
| B1672 | Battery Pack Voltage Out of Range | ABS Module | REFER to GENERATORS & REGULATORS . |
| B1676 | Battery Voltage Out of Range | LCM | REFER to GENERATORS & REGULATORS . |
| B1676 | Battery Voltage Out of Range | DSM | REFER to GENERATORS & REGULATORS . |
| B1688 | Dome Lamp Input Short to Ground | LCM | REFER to INTERIOR LIGHTING . |
| B1696 | Autolamp On Circuit Short to Ground | LCM | REFER to EXTERIOR LIGHTING . |
| B1844 (Early Build Vehicles Only) | Phone Handset Circuit Failure | PSE Module | REFER to VEHICLE EMERGENCY MESSAGE . |
| B1869 | Lamp Air Bag Warning Indicator Circuit Open | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B1870 | Lamp Air Bag Warning Indicator Circuit Short to Battery | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B1884 | PAD Warning Lamp Inoperative | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B1890 | PAD Warning Lamp Circuit Short to Battery | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B1891 | Air Bag Tone Warning Indicator Circuit Short to Battery | RCM | REFER to WARNING DEVICES . |
| B1892 | Air Bag Tone Warning Indicator Circuit Failure | RCM | REFER to WARNING DEVICES . |
| B1921 | Air Bag Diagnostic Monitor Ground Circuit Open | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B1950 | Seat Rear Up/Down Potentiometer Feedback Circuit Failure | DSM | REFER to SEATING . |
| B1953 | Seat Rear Up/Down Potentiometer Feedback Circuit Short to Ground | DSM | REFER to SEATING . |
| B1954 | Seat Front Up/Down Potentiometer Feedback Circuit Failure | DSM | REFER to SEATING . |
| B1957 | Seat Front Up/Down Potentiometer Feedback Circuit Short to Ground | DSM | REFER to SEATING . |
| B1958 | Seat Recline Forward/Backward Potentiometer Feedback Circuit Failure | DSM | REFER to SEATING . |
| B1961 | Seat Recline Forward/Backward Potentiometer Feedback Circuit Short to Ground | DSM | REFER to SEATING . |
| B1962 | Seat Horizontal Forward/Backward Potentiometer Feedback Circuit Failure | DSM | REFER to SEATING . |
| B1965 | Seat Horizontal Forward/Backward Potentiometer Feedback Circuit Short to Ground | DSM | REFER to SEATING . |
| B1987 | Pedal Forward/Rearward Motor Stalled | DSM | REFER to BRAKE SYSTEM - GENERAL INFORMATION . |
| B1988 | Pedal Position Forward Switch Short to Battery | DSM | REFER to BRAKE SYSTEM - GENERAL INFORMATION . |
| B1989 | Pedal Position Rearward Switch Circuit Short to Battery | DSM | REFER to BRAKE SYSTEM - GENERAL INFORMATION . |
| B1990 | Pedal Forward/Rearward Potentiometer Feedback Circuit Failure | DSM | REFER to BRAKE SYSTEM - GENERAL INFORMATION . |
| B2100 | Door Driver Key Cylinder Switch Failure | LCM | REFER to HANDLES, LOCKS, LATCHES & ENTRY SYSTEMS . |
| B2103 (Late Build Vehicles Only) | Antenna Not Connected | Navigation Module | REFER to NAVIGATION SYSTEM . |
| B2108 | Trunk Key Cylinder Switch Failure | LCM | REFER to HANDLES, LOCKS, LATCHES & ENTRY SYSTEMS . |
| B2139 (Late Build Vehicles Only) | Data Mismatch | Navigation Module | REFER to NAVIGATION SYSTEM . |
| B2143 | NVM Memory Failure | Instrument Cluster | REFER to INSTRUMENT CLUSTER . |
| B2148 | PWM Dimming Circuit Failure | Overhead Console Module | REFER to INSTRUMENT CLUSTER & PANEL ILLUMINATION . |
| B2204 (Late Build Vehicles Only) | GPS Antenna Connecton Open or Short | Navigation Module | REFER to NAVIGATION SYSTEM . |
| B2208 (Late Build Vehicles Only) | Navigation to Head Unit Communication Error | Navigation Module | REFER to NAVIGATION SYSTEM . |
| B2212 | Panel Dimmer Out of Range | LCM | REFER to INSTRUMENT CLUSTER & PANEL ILLUMINATION . |
| B2275 | Pedal Forward/Rearward Potentiometer Feedback Circuit Short to Ground | DSM | REFER to BRAKE SYSTEM - GENERAL INFORMATION . |
| B2290 | Occupant Classification System Fault | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B2292 | Restraint System-Safety Belt Pretensioner Status | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B2293 | Restraint System-Air Bag Status | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B2295 | Restraint System-Side Air Bag Status | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B2296 | Restraint System-Impact Sensor Status | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B2312 | Passenger Mirror Horizontal Potentiometer Feedback Failure | DSM | REFER to REAR VIEW MIRRORS . |
| B2315 | Passenger Mirror Horizontal Potentiometer Feedback Short to Ground | DSM | REFER to REAR VIEW MIRRORS . |
| B2316 | Passenger Mirror Vertical Potentiometer Feedback Circuit Failure | DSM | REFER to REAR VIEW MIRRORS . |
| B2319 | Passenger Mirror Vertical Potentiometer Feedback Circuit Short to Ground | DSM | REFER to SEATING . |
| B2320 | Driver Mirror Horizontal Potentiometer Feedback Circuit Failure | DSM | REFER to REAR VIEW MIRRORS . |
| B2323 | Driver Mirror Horizontal Potentiometer Feedback Circuit Short to Ground | DSM | REFER to REAR VIEW MIRRORS . |
| B2324 | Driver Mirror Vertical Potentiometer Feedback Circuit Failure | DSM | REFER to REAR VIEW MIRRORS . |
| B2327 | Driver Mirror Vertical Potentiometer Feedback Circuit Short to Ground | DSM | REFER to REAR VIEW MIRRORS . |
| B2338 | Mirror Driver Switch Assembly Circuit Short to Battery | DDM | REFER to REAR VIEW MIRRORS . |
| B2373 | Memory LED Output Short to Battery | DDM | REFER to SEATING . |
| B2401 | Audio Tape Deck Mechanism Fault | ACM | REFER to ENTERTAINMENT SYSTEM - GENERAL INFORMATION . |
| B2403 | Audio CD/DJ Internal Fault | ACM | REFER to ENTERTAINMENT SYSTEM - GENERAL INFORMATION . |
| B2403 (Late Build Vehicles Only) | Audio CD/DJ Internal Fault | Navigation Module | REFER to ENTERTAINMENT SYSTEM - GENERAL INFORMATION . |
| B2404 (Late Build Vehicles Only) | Audio Steering Wheel Switch Circuit Fault | Navigation Module | REFER to ENTERTAINMENT SYSTEM - GENERAL INFORMATION . |
| B2405 | Audio Single-Disc CD Player Thermal Shutdown Fault | ACM | REFER to ENTERTAINMENT SYSTEM - GENERAL INFORMATION . |
| B2406 | Audio Single-Disc CD Player Internal Fault | ACM | REFER to ENTERTAINMENT SYSTEM - GENERAL INFORMATION . |
| B2416 | Climate Control Recirculation Actuator Out of Limits | EATC Module | REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION . |
| B2418 | Sensor Power Short to Ground | Luggage Compartment Lid Module | REFER to HANDLES, LOCKS, LATCHES & ENTRY SYSTEMS . |
| B2419 | Sensor 1 Invalid | Luggage Compartment Lid Module | REFER to HANDLES, LOCKS, LATCHES & ENTRY SYSTEMS . |
| B2420 | Sensor 2 Invalid | Luggage Compartment Lid Module | REFER to HANDLES, LOCKS, LATCHES & ENTRY SYSTEMS . |
| B2421 | Vehicle Speed Sensor Circuit Failure | Luggage Compartment Lid Module | REFER to HANDLES, LOCKS, LATCHES & ENTRY SYSTEMS . |
| B2425 | RKE Out of Sync | DDM | REFER to HANDLES, LOCKS, LATCHES & ENTRY SYSTEMS . |
| B2432 | Driver Safety Belt Buckle Switch Circuit Open | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B2433 | Driver Safety Belt Buckle Switch Circuit Short to Battery | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B2434 | Driver Safety Belt Buckle Switch Circuit Short to Ground | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B2435 | Driver Safety Belt Buckle Switch Resistance Out of Range | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B2436 | Passenger Safety Belt Buckle Switch Circuit Open | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B2437 | Passenger Safety Belt Buckle Switch Circuit Short to Battery | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B2438 | Passenger Safety Belt Buckle Switch Circuit Short to Ground | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B2439 | Passenger Safety Belt Buckle Switch Resistance Out of Range | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B2442 | Intrusion Sensor Fault | LCM | REFER to ANTI-THEFT - PERIMETER . |
| B2477 | Module Configuration Failure | ACM | REFER to MODULE CONFIGURATION . |
| B2477 | Module Configuration Failure | RCM | REFER to MODULE CONFIGURATION . |
| B2477 (Late Build Vehicles Only) | Module Configuration Failure | Navigation Module | REFER to MODULE CONFIGURATION . |
| B2552 | Vbatt 2 Open | Luggage Compartment Lid Module | REFER to HANDLES, LOCKS, LATCHES & ENTRY SYSTEMS . |
| B2633 (Late Build Vehicles Only) | Driver-Front Microphone Circuit Failure | Navigation Module | REFER to NAVIGATION SYSTEM . |
| B2703 | Open/Close Switch Input Stuck Active | Luggage Compartment Lid Module | REFER to HANDLES, LOCKS, LATCHES & ENTRY SYSTEMS . |
| B2718 | Deck Lid Ajar Output Short to Battery | Luggage Compartment Lid Module | REFER to HANDLES, LOCKS, LATCHES & ENTRY SYSTEMS . |
| B2721 | Deck Lid Ajar Output Circuit Failure | Luggage Compartment Lid Module | REFER to HANDLES, LOCKS, LATCHES & ENTRY SYSTEMS . |
| B2748 | Left Drive Motor Open Circuit | Luggage Compartment Lid Module | REFER to HANDLES, LOCKS, LATCHES & ENTRY SYSTEMS . |
| B2755 | Left Drive Short to Battery | Luggage Compartment Lid Module | REFER to HANDLES, LOCKS, LATCHES & ENTRY SYSTEMS . |
| B2757 | Left Drive Output Short to Ground | Luggage Compartment Lid Module | REFER to HANDLES, LOCKS, LATCHES & ENTRY SYSTEMS . |
| B2847 | Intrusion Sensor Power Short to Ground | LCM | REFER to ANTI-THEFT - PERIMETER . |
| B2858 (Late Build Vehicles Only) | Head Unit Is Defective | Navigation Module | REFER to NAVIGATION SYSTEM . |
| B2876 | Striker Drive Short to Battery | Luggage Compartment Lid Module | REFER to HANDLES, LOCKS, LATCHES & ENTRY SYSTEMS . |
| B2877 | Striker Drive Output Short to Ground | Luggage Compartment Lid Module | REFER to HANDLES, LOCKS, LATCHES & ENTRY SYSTEMS . |
| B2878 (Late Build Vehicles Only) | OHC Button Stuck Failure | Overhead Console Module | REFER to INFORMATION & MESSAGE CENTER . |
| B2913 (Late Build Vehicles Only) | Audio Sub-Woofer Not Connected | Navigation Module | REFER to ENTERTAINMENT SYSTEM - GENERAL INFORMATION . |
| B5131 | Clutch Circuit Failure | Luggage Compartment Lid Module | REFER to HANDLES, LOCKS, LATCHES & ENTRY SYSTEMS . |
| C1109 | Throttle Did Not Return to Idle After Self-Test | Speed Control Module | REFER to SPEED CONTROL . |
| C1123 | Vehicle Speed Circuit Fault | Overhead Console Module | REFER to INFORMATION & MESSAGE CENTER . |
| C1126 | Command Switch Stuck For Two Minutes or Longer | Speed Control Module | REFER to SPEED CONTROL . |
| C1127 | Deactivator Switch Stuck Open | Speed Control Module | REFER to SPEED CONTROL . |
| C1145 | Wheel Speed Sensor RF Input Circuit Failure | ABS Module | REFER to ANTI-LOCK CONTROL - TRACTION CONTROL . |
| C1155 | Wheel Speed Sensor LF Input Circuit Failure | ABS Module | REFER to ANTI-LOCK CONTROL - TRACTION CONTROL . |
| C1165 | Wheel Speed Sensor RR Input Circuit Failure | ABS Module | REFER to ANTI-LOCK CONTROL - TRACTION CONTROL . |
| C1175 | Wheel Speed Sensor LR Input Circuit Failure | ABS Module | REFER to ANTI-LOCK CONTROL - TRACTION CONTROL . |
| C1179 | Excessive Cable Slack in Speed Control Cable | Speed Control Module | REFER to SPEED CONTROL . |
| C1192 (Late Build Vehicles Only) | Vehicle Speed Circuit Failure | Navigation Module | REFER to NAVIGATION SYSTEM . |
| C1222 | Speed Wheel Mismatch | ABS Module | REFER to ANTI-LOCK CONTROL - TRACTION CONTROL . |
| C1266 | ABS Valve Power Relay Circuit Failure | ABS Module | REFER to ANTI-LOCK CONTROL - TRACTION CONTROL . |
| C1278 | Steering Angle Sensor Signal Fault | ABS Module | REFER to ANTI-LOCK CONTROL - TRACTION CONTROL . |
| C1279 | Yaw Rate Sensor and Lateral Acceleration Circuit Fault | ABS Module | REFER to ANTI-LOCK CONTROL - TRACTION CONTROL . |
| C1280 | Yaw Rate Sensor Signal Failure | ABS Module | REFER to ANTI-LOCK CONTROL - TRACTION CONTROL . |
| C1282 | Lateral Accelerometer Signal Fault | ABS Module | REFER to ANTI-LOCK CONTROL - TRACTION CONTROL . |
| C1288 | Pressure Transducer Main/Primary Input Circuit Failure | ABS Module | REFER to ANTI-LOCK CONTROL - TRACTION CONTROL . |
| C1296 | Wheel Speed LF Signal Fault | ABS Module | REFER to ANTI-LOCK CONTROL - TRACTION CONTROL . |
| C1297 | Wheel Speed RF Signal Fault | ABS Module | REFER to ANTI-LOCK CONTROL - TRACTION CONTROL . |
| C1298 | Wheel Speed RR Signal Fault | ABS Module | REFER to ANTI-LOCK CONTROL - TRACTION CONTROL . |
| C1299 | Wheel Speed LR Signal Fault | ABS Module | REFER to ANTI-LOCK CONTROL - TRACTION CONTROL . |
| C1300 | ABS Pump Motor Circuit Failure | ABS Module | REFER to ANTI-LOCK CONTROL - TRACTION CONTROL . |
| C1414 | Incorrect Vehicle ID | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| C1440 | Pressure Transducer Main/Primary Signal Faulted | ABS Module | REFER to ANTI-LOCK CONTROL - TRACTION CONTROL . |
| C1445 | Vehicle Speed Signal Circuit Failure | RWAS Module | REFER to VEHICLE DYNAMIC SUSPENSION . |
| C1724 | Air Suspension Height Sensor Power Circuit Failure | RWAS Module | REFER to VEHICLE DYNAMIC SUSPENSION . |
| C1760 | Air Suspension Rear Height Sensor High (SE) Signal Circuit Failure | RWAS Module | REFER to VEHICLE DYNAMIC SUSPENSION . |
| C1770 | Air Suspension Vent Solenoid Output Circuit Failure | RWAS Module | REFER to VEHICLE DYNAMIC SUSPENSION . |
| C1790 | Air Suspension LR Air Spring/Shock Solenoid Output Circuit Failure | RWAS Module | REFER to VEHICLE DYNAMIC SUSPENSION . |
| C1795 | Air Suspension RR Air Spring/Shock Solenoid Output Circuit Failure | RWAS Module | REFER to VEHICLE DYNAMIC SUSPENSION . |
| C1805 | Mismatched PCM and/or ABS/TC Module | ABS Module | REFER to ANTI-LOCK CONTROL - TRACTION CONTROL . |
| C1830 | Air Suspension Compressor Relay Circuit Failure | RWAS Module | REFER to VEHICLE DYNAMIC SUSPENSION . |
| C1840 | Air Suspension Disable Switch Circuit Failure | RWAS Module | REFER to VEHICLE DYNAMIC SUSPENSION . |
| C1873 | Turn Signal/Hazard Power Feed Short to Ground | LCM | REFER to EXTERIOR LIGHTING . |
| C1897 | Steering VAPS II Circuit Loop Failure | RWAS Module | REFER to STEERING SYSTEM - GENERAL INFORMATION . |
| C1920 | Memory LED Circuit Failure | DDM | REFER to SEATING . |
| C1946 | Seat Track Position Switch Circuit Open | RCM | REFER to SEATING . |
| C1947 | Seat Track Position Switch Circuit Short to Ground | RCM | REFER to SEATING . |
| C1948 | Seat Track Position Switch Circuit Resistance Out of Range | RCM | REFER to SEATING . |
| C1956 | Steering Angle Sensor Circuit Failure | ABS Module | REFER to ANTI-LOCK CONTROL - TRACTION CONTROL . |
| C1964 | Air Suspension Air Compressor Request Exceeded Max Timing | RWAS Module | REFER to VEHICLE DYNAMIC SUSPENSION . |
| C1975 | IVD Plausibility Failure | ABS Module | REFER to ANTI-LOCK CONTROL - TRACTION CONTROL . |
| C1982 | Seat Track Position Switch Circuit Short to Battery | RCM | REFER to SEATING . |
| C1991 | Module Calibration Failure | ABS Module | REFER to MODULE CONFIGURATION . |
| U1009 | SCP (J1850) Invalid or Missing Data for Engine Torque | ABS Module | REFER to SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE . |
| U1016 (Late Build Vehicles Only) | SCP Invalid Data (PCM) | Navigation Module | REFER to NAVIGATION SYSTEM . |
| U1026 | SCP (J1850) Invalid or Missing Data for Engine RPM | RWAS Module | REFER to SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE . |
| U1027 | Missing or Invalid Throttle Message | Speed Control Module | REFER to SPEED CONTROL . |
| U1041 | SCP (J1850) Invalid or Missing Data for Vehicle Speed | EATC Module | REFER to SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE . |
| U1041 | SCP (J1850) Invalid or Missing Data for Vehicle Speed | Speed Control Module | REFER to SPEED CONTROL . |
| U1041 | SCP (J1850) Invalid or Missing Data for Vehicle Speed | RWAS Module | REFER to VEHICLE DYNAMIC SUSPENSION . |
| U1051 | Missing or Invalid Brake Message | Speed Control Module | REFER to ANTI-LOCK CONTROL - TRACTION CONTROL . |
| U1059 | SCP (J1850) Invalid or Missing Data For Transmission/Transaxle PRNDL | ABS Module | REFER to INSTRUMENT CLUSTER . |
| U1059 | SCP (J1850) Invalid or Missing Data For Transmission/Transaxle PRNDL | Speed Control Module | REFER to INSTRUMENT CLUSTER . |
| U1073 | SCP (J1850) Invalid or Missing Data for Engine Coolant | EATC Module | REFER to INSTRUMENT CLUSTER . |
| U1262 | SCP (J1850) Communication Bus Fault | ABS Module | REFER to MODULE COMMUNICATIONS NETWORK . |
| U1262 | Missing Message Network Faults | Overhead Console Module | REFER to MODULE COMMUNICATIONS NETWORK . |
| U1199 | SCP (J1850) Invalid or Missing Data for External Access (Doors) | RWAS Module | Refer to INTERIOR LIGHTING . |
| U1900 | CAN Communication Bus Failure | ABS Module | REFER to MODULE COMMUNICATIONS NETWORK . |
| U2003 | Audio Compact Disc/Disk Jockey Is Not Responding | ACM | REFER to ENTERTAINMENT SYSTEM - GENERAL INFORMATION . |
| U2003 (Late Build Vehicles Only) | Audio Compact Disc/Disk Jockey Is Not Responding | Navigation Module | REFER to ENTERTAINMENT SYSTEM - GENERAL INFORMATION . |
| U2005 | Audio Rear Integrated Control Panel Unit Is Not Responding | ACM | REFER to ENTERTAINMENT SYSTEM - GENERAL INFORMATION . |
| U2005 (Late Build Vehicles Only) | Audio Rear Integrated Control Panel Unit Is Not Responding | Navigation Module | REFER to ENTERTAINMENT SYSTEM - GENERAL INFORMATION . |
| U2008 | Audio Phone (TCU) Is Not Responding | ACM | REFER to NAVIGATION SYSTEM . |
| U2024 | Audio Redundant Steering Wheel Control Is Not Responding | ACM | REFER to AUDIO UNIT . |
| U2026 (Late Build Vehicles Only) | Family Entertainment System Not Responding | Navigation Module | REFER to ENTERTAINMENT SYSTEM - GENERAL INFORMATION . |