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Interior Lighting

SMART JUNCTION BOX (SJB) DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Action
B1320 Driver Door Ajar Circuit Open Go To PINPOINT TEST B .
B1328 Passenger Door Ajar Circuit Open Go To PINPOINT TEST B .
B1336 Door Ajar RR Circuit Open Go To PINPOINT TEST B .
B1572 Door Ajar LR Circuit Open Go To PINPOINT TEST B .
B1688 Lamp Dome Input Circuit Short to Ground Go To PINPOINT TEST B .
B2077 Liftgate Ajar Sw Circuit Failure Go To PINPOINT TEST B .
B2A35 Interior Lighting Output Circuit Open If the courtesy lamps are inoperative, Go To PINPOINT TEST A .
If the courtesy lamps stay on continuously, Go To PINPOINT TEST B .
B2A36 Interior Lighting Output Circuit Short to Ground Go To PINPOINT TEST A .
B2A39 Puddle Lamp Output Circuit Open If the puddle lamps are inoperative, Go To PINPOINT TEST G .
If the puddle lamps are always on, Go To PINPOINT TEST H .
B2A3A Puddle Lamp Output Circuit Short to Ground Go To PINPOINT TEST G .
All other DTCs - REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULES .
LIFTGATE/TRUNK MODULE (LTM) DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Action
B2718 Liftgate/Decklid Ajar Output Short to Battery Go To PINPOINT TEST B .
B2721 Liftgate/Decklid Ajar Output Short to Ground or Open If interior lamps are inoperative, Go To PINPOINT TEST E .
If interior lamps are always on, Go To PINPOINT TEST B .
All other DTCs - REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULES .