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Interior Lighting

Smart Junction Box (SJB) DTC Chart

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.
B1316 Battery Saver Relay Coil Circuit Short to Ground GO to PINPOINT TEST J .
B1319 Driver Door Ajar Circuit Failure GO to PINPOINT TEST G .
B1327 Passenger Door Ajar Circuit Failure GO to PINPOINT TEST G .
B1335 Door Ajar RR Circuit Failure GO to PINPOINT TEST G .
B1374 Illuminated Entry Relay Short to Ground GO to PINPOINT TEST D .
B1571 Door Ajar LR Circuit Failure GO to PINPOINT TEST G .
B1687 Lamp Dome Input Circuit Short to Battery If the courtesy lamps do not turn on with one door open, GO to PINPOINT TEST A .
If the dome defeat is inoperative, GO to PINPOINT TEST C .
B1688 Lamp Dome Input Circuit Short to Ground GO to PINPOINT TEST G .
B2077 Liftgate Ajar Sw Circuit Failure GO to PINPOINT TEST G .
B2089 Puddle/Approach Lamp Fault VERIFY the SJB  fuse 23 (15A) is OK. If OK, INSTALL a new SJB  . REFER to MULTIFUNCTION ELECTRONIC MODULES . TEST the system for normal operation. If not OK, REFER to the appropriate SYSTEM WIRING DIAGRAMS article to identify the possible causes of the circuit short.
All other DTCs - REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULES .