2003 Lincoln Navigator 4WDFACTORY OEM SERVICE PROCEDURE

MULTIFUNCTION Electronic Module

MULTIFUNCTION ELECTRONIC MODULE 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 EIC Switch-1 Assembly Circuit Failure Instrument Cluster REFER to INFORMATION AND MESSAGE CENTER .
B1209 EIC Switch-2 Assembly Circuit Failure Instrument Cluster REFER to INFORMATION AND MESSAGE CENTER .
B1217 Horn Relay Coil Circuit Failure Vehicle Security Module REFER to HORN .
B1231 Longitudinal Acceleration Threshold Exceeded RCM REFER to AIR BAG RESTRAINT SYSTEMS .
B1251 Air Temperature Internal Sensor Circuit Open EATC Module REFER to CLIMATE CONTROL SYSTEM-GENERAL INFORMATION .
B1253 Air Temperature Internal Sensor Circuit Short to Ground EATC Module REFER to CLIMATE CONTROL SYSTEM-GENERAL INFORMATION .
B1255 Air Temperature External Sensor Circuit Open Instrument Cluster REFER to INFORMATION AND MESSAGE CENTER .
B1255 Air Temperature External Sensor Circuit Open EATC Module REFER to CLIMATE CONTROL SYSTEM-GENERAL INFORMATION .
B1257 Air Temperature External Sensor Circuit Short to Ground Instrument Cluster REFER to INFORMATION AND MESSAGE CENTER .
B1257 Air Temperature External Sensor Circuit Short to Ground EATC Module REFER to CLIMATE CONTROL SYSTEM-GENERAL INFORMATION .
B1259 Solar Radiation Sensor Circuit Open EATC Module REFER to CLIMATE CONTROL SYSTEM-GENERAL INFORMATION .
B1261 Solar Radiation Sensor Circuit Short to Ground EATC Module REFER to CLIMATE CONTROL SYSTEM-GENERAL INFORMATION .
B1284 Oil Pressure Switch Failure Instrument Cluster REFER to SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE .
B1299 Power Supply Sensor Circuit Short to Ground Parking Aid Module REFER to PARKING AID .
B1300 Power Door Lock Circuit Failure Vehicle Security Module REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .
B1311 Power Door Unlock Circuit Failure Vehicle Security Module REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .
B1317 Battery Voltage High Instrument Cluster REFER to GENERATORS & REGULATORS .
B1317 Battery Voltage High 4WD Control Module REFER to GENERATORS & REGULATORS .
B1317 Battery Voltage High Vehicle Security Module REFER to GENERATORS & REGULATORS .
B1317 Battery Voltage High Fuel Fired Heater Module REFER to GENERATORS & REGULATORS .
B1318 Battery Voltage Low Instrument Cluster REFER to GENERATORS & REGULATORS .
B1318 Battery Voltage Low 4WD Control Module REFER to GENERATORS & REGULATORS .
B1318 Battery Voltage Low Vehicle Security Module REFER to GENERATORS & REGULATORS .
B1318 Battery Voltage Low Fuel Fired Heater Module REFER to GENERATORS & REGULATORS .
B1321 Driver Door Ajar Circuit Short to Battery Vehicle Security Module REFER to INTERIOR LIGHTING .
B1328 Passenger Door Ajar Circuit Open Instrument Cluster REFER to INTERIOR LIGHTING .
B1329 Passenger Door Ajar Circuit Short to Battery Vehicle Security Module REFER to INTERIOR LIGHTING .
B1333 Decklid Ajar Rear Door Circuit Short to Battery Vehicle Security Module REFER to INTERIOR LIGHTING .
B1337 Door Ajar RR Circuit Short to Battery Vehicle Security Module REFER to INTERIOR LIGHTING .
B1342 ECU is Defective Instrument Cluster CLEAR the DTCs. REPEAT the Self-Test. If DTC B1342 is retrieved, INSTALL a new HEC module. REFER to INSTRUMENT CLUSTER . CLEAR the DTCs. REPEAT the Self-Test.
B1342 ECU is Defective Climate Controlled Seat Module CLEAR the DTCs. REPEAT the Self-Test. If DTC B1342 is retrieved, INSTALL a new climate controlled seat module. REFER to SEATING . CLEAR the DTCs. REPEAT the Self-Test.
B1342 ECU is Defective 4WD Control Module CLEAR the DTCs. REPEAT the Self-Test. If DTC B1342 is retrieved, INSTALL a new 4x4 module. REFER to FOUR WHEEL DRIVE SYSTEMS . CLEAR the DTCs. REPEAT the Self-Test.
B1342 ECU is Defective 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module CLEAR the DTCs. REPEAT the Self-Test. If DTC B1342 is retrieved, INSTALL a new ABS/TC module. REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY . CLEAR the DTCs. REPEAT the Self-Test.
B1342 ECU is Defective Vehicle Security Module CLEAR the DTCs. REPEAT the Self-Test. If DTC B1342 is retrieved, INSTALL a new VEHICLE SECURITY MODULE . CLEAR the DTCs. REPEAT the Self-Test.
B1342 ECU is Defective Parking Aid Module CLEAR the DTCs. REPEAT the Self-Test. If DTC B1342 is retrieved, INSTALL a new parking aid module. REFER to PARKING AID . CLEAR the DTCs. REPEAT the Self-Test.
B1342 ECU is Defective DSM CLEAR the DTCs. REPEAT the Self-Test. If DTC B1342 is retrieved, INSTALL a new DSM. REFER to SEATING . CLEAR the DTCs. REPEAT the Self-Test.
B1342 ECU is Defective EATC Module CLEAR the DTCs. REPEAT the Self-Test. If DTC B1342 is retrieved, INSTALL a new EATC module. REFER to CLIMATE CONTROL SYSTEM-GENERAL INFORMATION . CLEAR the DTCs. REPEAT the Self-Test.
B1342 ECU is Defective Fuel Fired Heater Module CLEAR the DTCs. REPEAT the Self-Test. If DTC B1342 is retrieved, INSTALL a new fuel fired heater module. REFER to AUXILIARY CLIMATE CONTROL . CLEAR the DTCs. REPEAT the Self-Test.
B1342 ECU is Defective Power Liftgate Module CLEAR the DTCs. REPEAT the Self-Test. If DTC B1342 is retrieved, INSTALL a new power liftgate module. REFER to BODY CLOSURES . CLEAR the DTCs. REPEAT the Self-Test.
B1342 ECU is Defective RCM CLEAR the DTCs. REPEAT the Self-Test. If DTC B1342 is retrieved, INSTALL a new RCM. REFER to SAFETY BELT SYSTEM or AIR BAG RESTRAINT SYSTEMS . CLEAR the DTCs. REPEAT the Self-Test.
B1342 ECU is Defective Tire Pressure Monitoring System Module CLEAR the DTCs. REPEAT the Self-Test. If DTC B1342 is retrieved, INSTALL a new tire pressure monitoring system module. REFER to WHEELS & TIRES . CLEAR the DTCs. REPEAT the Self-Test.
B1345 Heated Backlight Input Circuit Short to Ground Instrument Cluster REFER to GLASS, FRAMES AND MECHANISMS .
B1352 Ignition Key-In Circuit Failure Instrument Cluster REFER to WARNING DEVICES .
B1358 Ignition Switch or Blower Electronics Circuit Short to Ground Climate Controlled Seat Module REFER to STEERING COLUMN SWITCHES .
B1360 Ignition RUN/ACC Circuit Open Instrument Cluster REFER to STEERING COLUMN SWITCHES .
B1483 Brake Pedal Input Circuit Failure 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL .
B1529 Memory Set Switch Circuit Short to Ground DSM REFER to SEATING .
B1534 Memory 1 Switch Circuit Short to Ground DSM REFER to SEATING .
B1538 Memory 2 Switch Circuit Short to Ground DSM REFER to SEATING .
B1573 Door Ajar LR Circuit Short to Battery Vehicle Security Module REFER to INTERIOR LIGHTING .
B1663 Seat Driver Front Up/Down Motor Stalled DSM REFER to SEATING .
B1664 Seat Driver Rear Up/Down Motor Stalled DSM REFER to SEATING .
B1665 Seat Driver Forward/Backward Motor Stalled DSM REFER to SEATING .
B1666 Seat Recline Forward/Rearward Motor Stalled DSM REFER to SEATING .
C1667 Mirror Driver Up/Down Motor Stalled DSM REFER to SEATING .
B1668 Mirror Driver Right/Left Motor Stalled DSM REFER to SEATING .
B1669 Mirror Passenger Up/Down Motor Stalled DSM REFER to SEATING .
B1670 Mirror Passenger Right/Left Motor Stalled DSM REFER to SEATING .
B1676 Battery Pack Voltage Out of Range 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to GENERATORS & REGULATORS .
B1676 Battery Voltage Out of Range DSM REFER to GENERATORS & REGULATORS .
B1676 Battery Voltage Out of Range EATC Module REFER to GENERATORS & REGULATORS .
B1695 Autolamp On Circuit Failure Vehicle Security Module REFER to EXTERIOR LIGHTING .
B1697 Mirror Driver/Passenger Switch Circuit Short to Battery DSM REFER to SEATING .
B1703 Seat Driver Recline Forward Switch Circuit Short to Battery DSM REFER to SEATING .
B1707 Seat Driver Recline Rearward Switch Circuit Short to Battery DSM REFER to SEATING .
B1711 Seat Driver Front Up Switch Circuit Short to Battery DSM REFER to SEATING .
B1715 Seat Driver Front Down Switch Circuit Short to Battery DSM REFER to SEATING .
B1719 Seat Driver Forward Switch Circuit Short to Battery DSM REFER to SEATING .
B1723 Seat Driver Rearward Switch Circuit Short to Battery DSM REFER to SEATING .
B1727 Seat Driver Rear Up Switch Circuit Short to Battery DSM REFER to SEATING .
B1731 Seat Driver Rear Down Switch Circuit Short to Battery DSM REFER to SEATING .
B1735 Mirror Driver Vertical Switch Circuit Short to Battery DSM REFER to SEATING .
B1739 Mirror Driver Horizontal Switch Circuit Short to Battery DSM REFER to SEATING .
B1743 Mirror Passenger Vertical Switch Circuit Short to Battery DSM REFER to SEATING .
B1747 Mirror Passenger Horizontal Switch Circuit Short to Battery DSM REFER to SEATING .
B1792 Autolamp Sensor Input Circuit Short to Battery and Open Vehicle Security Module REFER to EXTERIOR LIGHTING .
B1793 Autolamp Sensor Input Circuit Short to Ground Vehicle Security Module REFER to EXTERIOR LIGHTING .
B1869 Lamp Air Bag Warning Indicator Open RCM REFER to AIR BAG RESTRAINT SYSTEMS .
B1870 Lamp Air Bag Warning Indicator 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 Short to Battery RCM REFER to AIR BAG RESTRAINT SYSTEMS .
B1891 Air Bag Tone Warning Indicator Circuit Short to Battery RCM REFER to AIR BAG RESTRAINT SYSTEMS .
B1892 Air Bag Tone Warning Indicator Circuit Failure RCM REFER to AIR BAG RESTRAINT SYSTEMS .
B1921 Air Bag Diagnostic Monitor Ground Circuit Open RCM REFER to AIR BAG RESTRAINT SYSTEMS .
B1950 Seat Rear Up/Down Feedback Potentiometer Circuit Failure DSM REFER to SEATING .
B1952 Seat Rear Up/Down Feedback Potentiometer Circuit Short to Battery DSM REFER to SEATING .
B1954 Seat Front Up/Down Feedback Potentiometer Circuit Failure DSM REFER to SEATING .
B1956 Seat Front Up/Down Feedback Potentiometer Circuit Short to Battery DSM REFER to SEATING .
B1958 Seat Recline Forward/Rearward Feedback Potentiometer Circuit Failure DSM REFER to SEATING .
B1961 Seat Recline Forward/Rearward Feedback Potentiometer Circuit Short to Ground DSM REFER to SEATING .
B1962 Seat Horizontal Forward/Rearward Feedback Potentiometer Circuit Failure DSM REFER to SEATING .
B1964 Seat Horizontal Forward/Rearward Feedback Potentiometer Circuit Short to Battery DSM REFER to SEATING .
B1987 Pedal Forward/Rearward Motor Stalled DSM REFER to SEATING .
B1988 Pedal Position Forward Switch Circuit Short to Battery DSM REFER to SEATING .
B1989 Pedal Position Rearward Switch Circuit Short to Battery DSM REFER to SEATING .
B1990 Pedal Forward/Rearward Feedback Potentiometer Circuit Failure DSM REFER to SEATING .
B1991 Pedal Forward/Rearward Feedback Potentiometer Circuit Short to Battery DSM REFER to SEATING .
B2105 Throttle Position Input Out of Range Low 4WD Control Module REFER to SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE .
B2106 Throttle Position Input Out of Range High 4WD Control Module REFER to SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE .
B2143 NVM Memory Failure Instrument Cluster REFER to INSTRUMENT CLUSTER .
B2266 Driver Blend Door/Lower Actuator Circuit Failure EATC Module REFER to CLIMATE CONTROL SYSTEM-GENERAL INFORMATION .
B2267 Passenger Blend Door/Lower Actuator Circuit Failure EATC Module REFER to CLIMATE CONTROL SYSTEM-GENERAL INFORMATION .
B2268 Steering Wheel Climate Control Circuit Open EATC Module REFER to CLIMATE CONTROL SYSTEM-GENERAL INFORMATION .
B2269 Steering Wheel Climate Control Circuit Short to Ground EATC Module REFER to CLIMATE CONTROL SYSTEM-GENERAL INFORMATION .
B2276 Less Than Two Transmitters Programmed Vehicle Security Module REFER to ANTI-THEFT - PATS .
B2290 Occupant Classification System Fault Status RCM REFER to AIR BAG RESTRAINT SYSTEMS .
B2292 Restraint System-Saftey Belt Pretensioner Status RCM REFER to AIR BAG RESTRAINT SYSTEMS .
B2293 Restraint System-Airbag Status RCM REFER to AIR BAG RESTRAINT SYSTEMS .
B2294 Restraint System-Curtain Status RCM REFER to AIR BAG RESTRAINT SYSTEMS .
B2296 Restraint System-Impact Sensor Status RCM REFER to AIR BAG RESTRAINT SYSTEMS .
B2312 Mirror Passenger Horizontal Feedback Potentiometer Circuit Failure DSM REFER to SEATING .
B2314 Mirror Passenger Horizontal Feedback Potentiometer Circuit Short to Battery DSM REFER to SEATING .
B2316 Mirror Passenger Vertical Feedback Potentiometer Circuit Failure DSM REFER to SEATING .
B2318 Mirror Passenger Vertical Feedback Potentiometer Circuit Short to Battery DSM REFER to SEATING .
B2320 Mirror Driver Horizontal Feedback Potentiometer Circuit Failure DSM REFER to SEATING .
B2322 Mirror Driver Horizontal Feedback Potentiometer Circuit Short to Battery DSM REFER to SEATING .
B2324 Mirror Driver Vertical Feedback Potentiometer Circuit Failure DSM REFER to SEATING .
B2326 Mirror Driver Vertical Feedback Potentiometer Circuit Short to Battery DSM REFER to SEATING .
B2411 Humidity Sensor Open EATC Module REFER to CLIMATE CONTROL SYSTEM-GENERAL INFORMATION .
B2412 Humidity Sensor Short EATC Module REFER to CLIMATE CONTROL SYSTEM-GENERAL INFORMATION .
B2413 Humidity Sensor Failure EATC Module REFER to CLIMATE CONTROL SYSTEM-GENERAL INFORMATION .
B2425 Remote Keyless Entry Out of Sync Vehicle Security Module REFER to ANTI-THEFT - PATS .
B2434 Driver Saftey Belt Buckle Switch Circuit Short to Ground RCM REFER to SAFETY BELT SYSTEM .
B2435 Driver's Safety Belt Buckle Switch Resistance Out of Range RCM REFER to SAFETY BELT SYSTEM .
B2438 Passenger Seat Belt Buckle Switch Circuit Short to Ground RCM REFER to SAFETY BELT SYSTEM .
B2439 Passenger Seat Belt Buckle Switch Resistance Out of Range RCM REFER to SAFETY BELT SYSTEM .
B2449 Auxiliary Heater Glow Plug Circuit Short to Ground Fuel Fired Heater Module REFER to AUXILIARY CLIMATE CONTROL .
B2450 Auxiliary Heater Glow Plug Circuit Open Fuel Fired Heater Module REFER to AUXILIARY CLIMATE CONTROL .
B2451 Auxiliary Heater Fuel Pump Circuit Short to Ground Fuel Fired Heater Module REFER to AUXILIARY CLIMATE CONTROL .
B2452 Auxiliary Heater Fuel Pump Circuit Open Fuel Fired Heater Module REFER to AUXILIARY CLIMATE CONTROL .
B2453 Auxiliary Heater Blower Fan Circuit Short to Ground Fuel Fired Heater Module REFER to AUXILIARY CLIMATE CONTROL .
B2454 Auxiliary Heater Blower Fan Circuit Open Fuel Fired Heater Module REFER to AUXILIARY CLIMATE CONTROL .
B2463 Auxiliary Heater Overheat Fault Fuel Fired Heater Module REFER to AUXILIARY CLIMATE CONTROL .
B2468 Auxiliary Heater Coolant Pump Circuit Short to Ground Fuel Fired Heater Module REFER to AUXILIARY CLIMATE CONTROL .
B2469 Auxiliary Heater Coolant Pump Circuit Open Fuel Fired Heater Module REFER to AUXILIARY CLIMATE CONTROL .
B2477 Module Configuration Failure Instrument Cluster REFER to MODULE CONFIGURATION .
B2477 Module Configuration Failure Climate Controlled Seat Module REFER to MODULE CONFIGURATION .
B2477 Module Configuration Failure 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
B2477 Module Configuration Failure Vehicle Security Module REFER to MODULE CONFIGURATION .
B2477 Module Configuration Failure DSM REFER to MODULE CONFIGURATION .
B2477 Module Configuration Failure EATC Module REFER to MODULE CONFIGURATION .
B2477 Module Configuration Failure Power Liftgate Module REFER to MODULE CONFIGURATION .
B2477 Module Configuration Failure RCM REFER to MODULE CONFIGURATION .
B2477 Module Configuration Failure Tire Pressure Monitoring System Module REFER to MODULE CONFIGURATION .
B2486 Climate Controlled Seat Voltage Out of Range Climate Controlled Seat Module REFER to GENERATORS & REGULATORS .
B2488 Thumb-Wheel Switch Voltage Out of Range High Climate Controlled Seat Module REFER to GENERATORS & REGULATORS .
B2497 Blower RPM Out of Range Climate Controlled Seat Module REFER to HEATING & VENTILATION .
B2499 Courtesy Lamp Output Failure Instrument Cluster REFER to INTERIOR LIGHTING .
B2511 Horn Output Relay Circuit Short to Battery Tire Pressure Monitoring System Module REFER to WHEELS & TIRES .
B2521 Tach Circuit Failure Climate Controlled Seat Module REFER to HEATING & VENTILATION .
B2537 Auxiliary Heater No Start Fault Fuel Fired Heater Module REFER to AUXILIARY CLIMATE CONTROL .
B2538 Auxiliary Heater Unstable Flame Fault Fuel Fired Heater Module REFER to AUXILIARY CLIMATE CONTROL .
B2547 Auxiliary Heater Flame Prior to Operation Fault Fuel Fired Heater Module REFER to AUXILIARY CLIMATE CONTROL .
B2548 Auxiliary Heater Lockout Mode Fault Fuel Fired Heater Module REFER to AUXILIARY CLIMATE CONTROL .
B2549 Vehicle Air Fan Activation Circuit Short to Ground Fuel Fired Heater Module REFER to AUXILIARY CLIMATE CONTROL .
B2552 Vbatt 2 Circuit Open Power Liftgate Module REFER to BODY CLOSURES .
B2644 Radio Mute Circuit Failure Parking Aid Module REFER to PARKING AID .
B2659 Courtesy Switch Fault Instrument Cluster REFER to INTERIOR LIGHTING .
B2661 Parking Lamp Relay Output Short to Battery Vehicle Security Module REFER to EXTERIOR LIGHTING .
B2662 Parking Lamp Relay Output Circuit Open Vehicle Security Module REFER to EXTERIOR LIGHTING .
B2663 Headlamp Relay Output Short to Battery Vehicle Security Module REFER to EXTERIOR LIGHTING .
B2664 Headlamp Relay Output Circuit Open or Short to Battery Vehicle Security Module REFER to EXTERIOR LIGHTING .
B2667 Liftglass Release Switch Circuit Failure Vehicle Security Module REFER to GLASS, FRAMES AND MECHANISMS .
B2675 Keypad B Switch Circuit Failure Vehicle Security Module REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .
B2676 Keypad C Switch Circuit Failure Vehicle Security Module REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .
B2691 Front Driver Seat Belt Buckle Switch Circuit Fault RCM REFER to SAFETY BELT SYSTEM .
B2692 Front Passenger Seat Belt Buckle Switch Circuit Fault RCM REFER to SAFETY BELT SYSTEM .
B2695 Keypad A Switch Circuit Failure Vehicle Security Module REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .
B2698 Vbatt 2 Circuit Failure Power Liftgate Module REFER to BODY CLOSURES .
B2699 Left Pinch Strip Open or Short to Battery Power Liftgate Module REFER to BODY CLOSURES .
B2700 Right Pinch Strip Open or Short to Battery Power Liftgate Module REFER to BODY CLOSURES .
B2701 Left Pinch Strip Stuck Active Power Liftgate Module REFER to BODY CLOSURES .
B2702 Right Pinch Strip Stuck Active Power Liftgate Module REFER to BODY CLOSURES .
B2703 Open/Close Switch Stuck Active Power Liftgate Module REFER to BODY CLOSURES .
B2704 Optical Sensor Power Short to Ground Power Liftgate Module REFER to BODY CLOSURES .
B2705 Optical Sensor 1 Input Not Active During Powered Liftgate Movement Power Liftgate Module REFER to BODY CLOSURES .
B2706 Optical Sensor 2 Input Not Active During Powered Liftgate Movement Power Liftgate Module REFER to BODY CLOSURES .
B2707 Gate Open Output Over Current Power Liftgate Module REFER to BODY CLOSURES .
B2708 Gate Close Output Over Current Power Liftgate Module REFER to BODY CLOSURES .
B2709 Gate Open Short to Battery Power Liftgate Module REFER to BODY CLOSURES .
B2710 Gate Close Short to Battery Power Liftgate Module REFER to BODY CLOSURES .
B2711 Gate Open Output Short to Ground or Open Power Liftgate Module REFER to BODY CLOSURES .
B2712 Gate Close Output Short to Ground or Open Power Liftgate Module REFER to BODY CLOSURES .
B2713 Unlatch Output Short to Ground Power Liftgate Module REFER to BODY CLOSURES .
B2714 Release Motor Output Open or Short to Ground Power Liftgate Module REFER to BODY CLOSURES .
B2715 Closing Motor Output Open or Short to Ground Power Liftgate Module REFER to BODY CLOSURES .
B2716 Left Power Running Board Output Short to Battery Power Liftgate Module REFER to BODY CLOSURES .
B2717 Right Power Running Board Output Short to Battery Power Liftgate Module REFER to BODY CLOSURES .
B2718 Gate Ajar Output Short to Battery Power Liftgate Module REFER to BODY CLOSURES .
B2719 Left Power Running Board Output Short to Ground or Open Power Liftgate Module REFER to BODY CLOSURES .
B2720 Right Power Running Board Output Short to Ground or Open Power Liftgate Module REFER to BODY CLOSURES .
B2721 Gate Ajar Output Short to Ground or Open Power Liftgate Module REFER to BODY CLOSURES .
B2722 Open/Close Switch Active During Self-Test Power Liftgate Module REFER to BODY CLOSURES .
B2723 Glass Position Switch Active During Self-Test Power Liftgate Module REFER to BODY CLOSURES .
B2724 Forkbolt Switch Invalid During Self-Test Power Liftgate Module REFER to BODY CLOSURES .
B2725 Detent Switch Invalid During Self-Test Power Liftgate Module REFER to BODY CLOSURES .
B2726 Home Switch Invalid During Self-Test Power Liftgate Module REFER to BODY CLOSURES .
B2729 Cushion Over-temperature Detected Climate Controlled Seat Module REFER to SEATING .
B2730 Back-over Temperature Detected Climate Controlled Seat Module REFER to SEATING .
B2731 Differential Temperature Fault Climate Controlled Seat Module REFER to HEATING & VENTILATION .
B2734 Pedal Travel Sensor Supply Error 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
B2736 Pedal Travel Sensor Circuit Fault 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
B2737 Pedal Travel Sensor Jammed Error 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
B2738 Pedal Travel Sensor Velocity Error 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
B2740 Pedal Travel Sensor Spike Error 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
B2741 Sensor Cluster Loop End 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
B2792 Heat Switch Short to Ground Climate Controlled Seat Module REFER to SEATING .
B2793 Cool Switch Short to Ground Climate Controlled Seat Module REFER to SEATING .
B2794 Third Row Power Folding Seat Circuit Failure Vehicle Security Module REFER to SEATING .
B2848 Horn Output Relay Shorted to Ground Tire Pressure Monitoring System Module REFER to WHEELS & TIRES .
B2849 Horn Output Relay Circuit Open Tire Pressure Monitoring System Module REFER to WHEELS & TIRES .
B2868 Left Front Tire Pressure Sensor Fault Tire Pressure Monitoring System Module REFER to WHEELS & TIRES .
B2869 Right Front Tire Pressure Sensor Fault Tire Pressure Monitoring System Module REFER to WHEELS & TIRES .
B2870 Right Rear Tire Pressure Sensor Fault Tire Pressure Monitoring System Module REFER to WHEELS & TIRES .
B2871 Left Rear Tire Pressure Sensor Fault Tire Pressure Monitoring System Module REFER to WHEELS & TIRES .
B2872 Tire Pressure Sensor Fault Tire Pressure Monitoring System Module REFER to WHEELS & TIRES .
B2900 VIN Mismatch 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL .
C1095 ABS Hydraulic Pump Motor Circuit Failure 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL .
C1145 Speed Wheel Sensor RF Input Circuit Failure 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL .
C1155 Speed Wheel Sensor LF Input Circuit Failure 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL .
C1165 Speed Wheel Sensor RR Input Circuit Failure 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
C1175 Speed Wheel Sensor LR Input Circuit Failure 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
C1233 Speed Wheel LF Input Signal Missing 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
C1234 Speed Wheel RF Input Signal Missing 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
C1235 Speed Wheel RR Input Signal Missing 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
C1236 Speed Wheel LR Input Signal Missing 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL .
C1277 Steering Wheel Angle 1 and 2 Circuit Failure 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
C1278 Steering Wheel Angle 1 and 2 Signal Faulted 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
C1279 Yaw Rate Sensor Circuit Failure 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
C1280 Yaw Rate Sensor Signal Fault 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
C1281 Lateral Accelerometer Circuit Failure 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
C1282 Lateral Accelerometer Signal Fault 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
C1285 Booster Solenoid Circuit Failure 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
C1287 Booster Pedal Force Switch Circuit Failure 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
C1288 Pressure Transducer Main/Primary Input Circuit Failure 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
C1290 Steering Pressure Transducer Circuit Failure Air Suspension Control Module REFER to POWER STEERING .
C1414 Incorrect Module Design Level RCM REFER to AIR BAG RESTRAINT SYSTEMS .
C1440 Pressure Transducer Main/Primary Signal Faulted 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
C1445 Speed Vehicle Signal Circuit Failure Air Suspension Control Module REFER to VEHICLE DYNAMIC .
C1700 Rear Left Sensor Circuit Failure Parking Aid Module REFER to PARKING AID .
C1701 Rear Left Sensor Fault Parking Aid Module REFER to PARKING AID .
C1703 Rear Right Sensor Circuit Failure Parking Aid Module REFER to PARKING AID .
C1704 Rear Right Sensor Fault Parking Aid Module REFER to PARKING AID .
C1724 Air Suspension Height Sensor Power Circuit Failure Air Suspension Control Module REFER to VEHICLE DYNAMIC .
C1725 Air Suspension Front Pneumatic Failure Air Suspension Control Module REFER to VEHICLE DYNAMIC .
C1728 Transfer Case Unable to Transition between 2H and 4H 4WD Control Module REFER to FOUR WHEEL DRIVE SYSTEMS .
C1729 Transfer Case Unable to Transition between 4H and 4L 4WD Control Module REFER to FOUR WHEEL DRIVE SYSTEMS .
C1730 Reference Voltage Out of Range (+5V) 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL .
C1760 Air Suspension Rear Height Sensor High (SE) Signal Circuit Failure Air Suspension Control Module REFER to VEHICLE DYNAMIC .
C1770 Air Suspension Vent Solenoid Output Circuit Failure Air Suspension Control Module REFER to VEHICLE DYNAMIC .
C1790 Air Suspension LR Air Spring/Shock Solenoid Output Circuit Failure Air Suspension Control Module REFER to VEHICLE DYNAMIC .
C1795 Air Suspension RR Air Spring/Shock Solenoid Output Circuit Failure Air Suspension Control Module REFER to VEHICLE DYNAMIC .
C1805 Mismatched PCM and/or ABS-TC Module 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
C1873 Air Suspension RF Air Spring Solenoid Output Circuit Failure Air Suspension Control Module REFER to VEHICLE DYNAMIC .
C1830 Air Suspension Compressor Relay Circuit Failure Air Suspension Control Module REFER to VEHICLE DYNAMIC .
C1840 Air Suspension Disable Switch Circuit Failure Air Suspension Control Module REFER to VEHICLE DYNAMIC .
C1877 Air Suspension LF Air Spring Solenoid Output Circuit Failure Air Suspension Control Module REFER to VEHICLE DYNAMIC .
C1881 Air Suspension RF Height Sensor Circuit Failure Air Suspension Control Module REFER to VEHICLE DYNAMIC .
C1889 Air Suspension LF Height Sensor Circuit Failure Air Suspension Control Module REFER to VEHICLE DYNAMIC .
C1897 Steering VAPS II Circuit Loop Failure Air Suspension Control Module REFER to POWER STEERING .
C1947 Seat Track Position Switch Circuit Short to Ground RCM REFER to SAFETY BELT SYSTEM .
C1948 Seat Track Position Switch Circuit Resistance Out of Range RCM REFER to SAFETY BELT SYSTEM .
C1960 Driver Brake Apply Circuit Failure 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL .
C1963 Stability Control Inhibit Warning 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
C1964 Air Suspension Air Compressor Request Exceeding Max Timing Air Suspension Control Module REFER to VEHICLE DYNAMIC .
C1979 IWE Solenoid Circuit Failure 4WD Control Module REFER to FOUR WHEEL DRIVE SYSTEMS .
C1980 IWE Solenoid Short to Battery 4WD Control Module REFER to FOUR WHEEL DRIVE SYSTEMS .
C1981 Front Driver Seat Track Position Switch Circuit Fault RCM REFER to SAFETY BELT SYSTEM .
C1983 Radar Sensor Fault Parking Aid Module REFER to PARKING AID .
C1984 Radar Sensor Circuit Failure Parking Aid Module REFER to PARKING AID .
C1991 Module Calibration Failure 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to MODULE CONFIGURATION .
C1996 Active Yaw Control Disabled 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
C1998 Module Calibration Not Complete 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
C2769 Longitudinal Acceleration Sensor Circuit Failure 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
C2770 Longitudinal Acceleration Sensor Signal Fault 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
C2777 Sensor Cluster Bus Failure 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
C2778 Sensor Power Supply Failure 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
C2780 ECU in Manufacturer Sub-State Tire Pressure Monitoring System Module REFER to MODULE CONFIGURATION .
P0725 Speed Input Stuck High/Low Parking Aid Module REFER to PARKING AID .
P1628 Ignition Voltage Out of Range Parking Aid Module REFER to PARKING AID .
P1812 Transmission Four-Wheel Drive Mode Select Circuit Failure 4WD Control Module REFER to FOUR WHEEL DRIVE SYSTEMS .
P1815 Transmission Four-Wheel Drive Mode Select Short Circuit to Ground 4WD Control Module REFER to FOUR WHEEL DRIVE SYSTEMS .
P1824 Transmission Four-Wheel Drive Clutch Relay Circuit Failure 4WD Control Module REFER to FOUR WHEEL DRIVE SYSTEMS .
P1826 Transmission Four-Wheel Drive Low Clutch Relay Short Circuit to Battery 4WD Control Module REFER to FOUR WHEEL DRIVE SYSTEMS .
P1827 Transmission Four-Wheel Drive Low Clutch Relay Short Circuit to Ground 4WD Control Module REFER to FOUR WHEEL DRIVE SYSTEMS .
P1849 Transmission Transfer Case Contact Plate ""A"" Short Circuit to Ground 4WD Control Module REFER to FOUR WHEEL DRIVE SYSTEMS .
P1853 Transmission Transfer Case Contact Plate ""B"" Short Circuit to Ground 4WD Control Module REFER to FOUR WHEEL DRIVE SYSTEMS .
P1857 Transmission Transfer Case Contact Plate ""C"" Short Circuit to Ground 4WD Control Module REFER to FOUR WHEEL DRIVE SYSTEMS .
P1861 Transmission Transfer Case Contact Plate ""D"" Short Circuit to Ground 4WD Control Module REFER to FOUR WHEEL DRIVE SYSTEMS .
P1867 Transmission Transfer Case Contact Plate General Circuit Failure 4WD Control Module REFER to FOUR WHEEL DRIVE SYSTEMS .
P1874 Transmission Automatic Hall Effect Sensor Power Circuit Failure 4WD Control Module REFER to FOUR WHEEL DRIVE SYSTEMS .
P1875 Transmission Automatic Hall Effect Sensor Power Circuit Short to Battery 4WD Control Module REFER to FOUR WHEEL DRIVE SYSTEMS .
P1891 Transmission Transfer Case Contact Plate Ground Return Open Circuit 4WD Control Module REFER to FOUR WHEEL DRIVE SYSTEMS .
U1009 SCP (J1850) Bus Invalid or Missing Data for Engine Torque 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
U1027 SCP (J1850) Bus Invalid or Missing Data for Engine RPM 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
U1059 SCP (J1850) Invalid or Missing Data for Transmission/Transaxle/ PRNDL Instrument Cluster REFER to INSTRUMENT CLUSTER .
U1059 SCP (J1850) Invalid or Missing Data for Transmission/Transaxle/ PRNDL Instrument Cluster REFER to SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE .
U1059 SCP (J1850) Invalid or Missing Data for Transmission/Transaxle/ PRNDL 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
U1073 SCP (J1850) Invalid or Missing Data for Engine Coolant Instrument Cluster REFER to INSTRUMENT CLUSTER .
U1073 SCP (J1850) Invalid or Missing Data for Engine Coolant PCM REFER to SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE .
U1073 SCP (J1850) Invalid or Missing Data for Engine Coolant 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
U1075 SCP (J1850) Invalid or Missing Data for Engine Oil Fluid Temperature Instrument Cluster REFER to INSTRUMENT CLUSTER .
U1075 SCP (J1850) Invalid or Missing Data for Engine Oil Fluid Temperature Instrument Cluster REFER to SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE .
U1123 SCP (J1850) Invalid or Missing Data for Odometer Instrument Cluster REFER to INSTRUMENT CLUSTER .
U1262 SCP Communication Bus Fault Instrument Cluster REFER to MODULE COMMUNICATIONS NETWORK .
U1262 SCP Communication Bus Fault 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to MODULE COMMUNICATIONS NETWORK .
U1900 CAN Communication Bus Fault 4WD Control Module REFER to FOUR WHEEL DRIVE SYSTEMS .
U1900 CAN Communication Bus Fault-Recieve Error 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
U1901 Communication Fault from Sensor Cluster 4-Wheel Anti-Lock Brake/Traction Control (ABS/TC) Module or Stability Assist Module REFER to ANTI-LOCK CONTROL-TRACTION CONTROL & STABILITY .
U1950 UBP Communication Bus Fault Instrument Cluster REFER to MODULE COMMUNICATIONS NETWORK .
U1950 UBP Communication Bus Fault 4WD Control Module REFER to MODULE COMMUNICATIONS NETWORK .
U1950 UBP Communication Bus Fault DSM REFER to SEATING .
U1950 UBP Communication Bus Fault EATC Module REFER to SEATING .
U2013 Compass Module Not Responding Instrument Cluster REFER to INFORMATION AND MESSAGE CENTER .
U2235 UBP Invalid Data From Node ID $19 Instrument Cluster REFER to MODULE COMMUNICATIONS NETWORK .
U2235 UBP Invalid Data From Node ID $19 EATC Module REFER to CLIMATE CONTROL SYSTEM-GENERAL INFORMATION .
U2262 UBP Invalid Data From Node ID $98 Instrument Cluster REFER to MODULE COMMUNICATIONS NETWORK .
U2306 UBP Invalid Node 60 4WD Control Module REFER to MODULE COMMUNICATIONS NETWORK .
U2306 UBP Invalid Node 60 DSM REFER to SEATING .
U2306 UBP Invalid Node 60 EATC Module REFER to CLIMATE CONTROL SYSTEM-GENERAL INFORMATION .
U2306 Transmission PRNDL Range Selected Status Invalid Parking Aid Module REFER to PARKING AID .
U2338 UBP Invalid Data From Node ID $80 EATC Module REFER to MODULE COMMUNICATIONS NETWORK .
U2362 UBP Invalid Data From Node ID $98 Climate Controlled Seat Module REFER to MODULE COMMUNICATIONS NETWORK .
Factory Service Tools

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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