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Interior Lighting System DTCS

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

DTC Description Action
B106E Solid State Driver Disabled Due to Short Circuit The module has temporarily disabled an output because an excessive current draw exists (such as a short to ground). The Smart Junction Box (SJB) cannot enable the output until the cause of the short is corrected. ADDRESS all other DTCs first  . After the cause of the concern is corrected, CLEAR the DTCs. REPEAT the self-test.
B106F Module Disabled Due to External Fault The module has permanently disabled an output because an excessive current draw fault (such as a short to ground) has exceeded the limits that the SJB can withstand. The cause of the excessive current draw MUST be corrected before a new SJB is installed. ADDRESS all other DTCs first  . After the cause of the concern is corrected, INSTALL a new SJB. REFER to MULTIFUNCTION ELECTRONIC MODULES . TEST the system for normal operation.
B1320 Driver Door Ajar Circuit Open GO to PINPOINT TEST G .
B1328 Passenger Door Ajar Circuit Open GO to PINPOINT TEST G .
B1336 Door Ajar RR Circuit Open GO to PINPOINT TEST G .
B1572 Door Ajar LR Circuit Open GO to PINPOINT TEST G .
B1688 Lamp Dome Input Circuit Short to Ground GO to PINPOINT TEST G .
B2077 Liftgate Ajar Sw Circuit Failure GO to PINPOINT TEST G .
B2A35 Interior Lighting Output Circuit Open If the courtesy lamps are inoperative, GO to PINPOINT TEST E . If the courtesy lamps stay on continuously, GO to PINPOINT TEST G .
B2A36 Interior Lighting Output Circuit Short to Ground GO to PINPOINT TEST G .
B2A29 Floor Lamp Output Circuit Short to Ground DIAGNOSE all other DTCs and symptoms first. If no other DTCs or symptoms are present, INSPECT the SJB and C2280a for bent pins, loose or corroded connections. If no concerns are found, INSTALL a new SJB. REFER to MULTIFUNCTION ELECTRONIC MODULES . TEST the system for normal operation.
B2A39 Puddle Lamp Output Circuit Open If the puddle lamps are inoperative, GO to PINPOINT TEST F . If the puddle lamps are always on, GO to PINPOINT TEST H .
B2A3A Puddle Lamp Output Circuit Short to Ground GO to PINPOINT TEST F .
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 G .
B2721 Liftgate/Decklid Ajar Output Short to Ground or Open If the courtesy lamps are inoperative from the liftgate, GO to PINPOINT TEST C . If the courtesy lamps are always on, GO to PINPOINT TEST G .
B2723 Glass Position Switch Active During Self-test GO to PINPOINT TEST G .
All other DTCs - REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULES .