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Interior Lighting DTCS

INSTRUMENT CLUSTER DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Source Action/Go to
B1342 ECU Defective ICM CLEAR and DOCUMENT the DTCs. CARRY OUT the ICM Self-Test. INSTALL a new instrument cluster if DTC B1342 is retrieved again. REFER to INSTRUMENT CLUSTER
B2477 Module Configuration Failure ICM REFER to MODULE CONFIGURATION .
- All Other DTC's ICM REFER to MULTIFUNCTION ELECTRONIC MODULE .
FRONT ELECTRONIC MODULE (FEM) DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Source Action/Go to
B1294 Battery Power Relay Circuit Short to Battery FEM REFER to SWITCHED SYSTEM POWER (SSP) Relay Index.
B1319 Driver Door Ajar Circuit Failure FEM GO to PINPOINT TEST I: THE COURTESY LAMPS STAY ON CONTINUOUSLY - ALL OVERHEAD DOME, MAP, READING, AND STEPWELL, PUDDLE LAMPS .
B1327 Passenger Door Ajar Circuit Failure FEM GO to PINPOINT TEST I: THE COURTESY LAMPS STAY ON CONTINUOUSLY - ALL OVERHEAD DOME, MAP, READING, AND STEPWELL, PUDDLE LAMPS .
B1342 ECU Is Defective FEM INSTALL a new FEM; refer to MULTIFUNCTION ELECTRONIC MODULE . CLEAR the DTCs. REPEAT the self-test.
B2499 Courtesy Lamp Output Failure (NOTE : Stepwell/puddle lamps are optional. This DTC will be recorded if the vehicle is not equipped with these lamps. Check if the vehicle is equipped with this option. FEM If the courtesy lamps are inoperative, GO to PINPOINT TEST E: THE COURTESY LAMPS ARE INOPERATIVE - STEPWELL AND PUDDLE LAMPS .
If the courtesy lamps stay on continuously, GO to PINPOINT TEST K: THE COURTESY LAMPS STAY ON CONTINUOUSLY - ALL STEPWELL/PUDDLE LAMPS .
B2500 Courtesy Lamp Output Circuit Short to Battery FEM GO to PINPOINT TEST E: THE COURTESY LAMPS ARE INOPERATIVE - STEPWELL AND PUDDLE LAMPS .
U1135 SCP (J185O) Invalid or Missing Data for Ignition Switch/Starter ICM CARRY OUT the instrument cluster self-test. REFER to STEERING COLUMN SWITCHES .
U1178 SCP (J185O) Invalid or Missing Data for Climate Control (HVAC) ICM CARRY OUT the instrument cluster self-test. REFER to CLIMATE CONTROL SYSTEM-GENERAL INFORMATION .
U1262 SCP (J185O) Communication Bus Fault - REFER to MODULE COMMUNICATIONS NETWORK .
- All Other DTC's FEM REFER to MULTIFUNCTION ELECTRONIC MODULE .
REAR ELECTRONIC MODULE (REM) DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Source Action/Go to
B1332 Decklid Ajar Rear Door Circuit Open REM GO to PINPOINT TEST N: THE COURTESY LAMPS DO NOT TURN ON WITH ONE DOOR OPEN - LIFTGATE .
B1338 Door Ajar RR Circuit Short to Ground REM GO to PINPOINT TEST I: THE COURTESY LAMPS STAY ON CONTINUOUSLY - ALL OVERHEAD DOME, MAP, READING, AND STEPWELL, PUDDLE LAMPS .
B1342 ECU Is Defective REM INSTALL a new REM; REFER to MULTIFUNCTION ELECTRONIC MODULE . REFER to MODULE CONFIGURATION for module reconfiguration. CLEAR the DTCs. REPEAT the self-test.
B1574 Door Ajar LR Circuit Short to Ground REM GO to PINPOINT TEST I: THE COURTESY LAMPS STAY ON CONTINUOUSLY - ALL OVERHEAD DOME, MAP, READING, AND STEPWELL, PUDDLE LAMPS .
B2545 System Power Relay Circuit Short to Battery REM REFER to SWITCHED SYSTEM POWER (SSP) . Relay Index.
B2554 Lamp Dome Output Circuit Failure REM GO to PINPOINT TEST F: THE COURTESY LAMPS ARE INOPERATIVE - DOME/MAP LAMPS .
B2555 Lamp Dome Output Circuit Short to Battery REM GO to PINPOINT TEST F: THE COURTESY LAMPS ARE INOPERATIVE - DOME/MAP LAMPS .
U1262 SCP (J1850) Communication Bus Fault - REFER to MODULE COMMUNICATIONS NETWORK .
- All Other DTC's REM REFER to MULTIFUNCTION ELECTRONIC MODULE .