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Glass, Frames And Mechanisms

Smart Junction Box (SJB) DTC Chart

DTC Description Action
B1302 Accessory Delay Relay Coil Circuit Failure GO to PINPOINT TEST I .
B1304 Accessory Delay Relay Coil Circuit Short To Battery GO to PINPOINT TEST J .
B1345 Heated Backlite Input Circuit Short To Ground GO to PINPOINT TEST H .
B1347 Heated Backlite Relay Circuit Failure GO to PINPOINT TEST G .
B1349 Heated Backlite Relay Short To Battery CARRY OUT the rear window defrost relay component test. Refer to COMPONENT TESTING for component testing. If the rear window defrost relay is OK, INSTALL a new SJB  . REFER to MULTIFUNCTION ELECTRONIC MODULES for removal and installation procedures. TEST the system for normal operation. If the rear window defrost relay is not OK, INSTALL a new rear window defrost relay. TEST the system for normal operation.
U0164 Lost Communication With HVAC Control Module REFER to MODULE COMMUNICATIONS NETWORK to diagnose no response from the HVAC module.
All Other DTCs - REFER to the Master DTC Chart in MULTIFUNCTION ELECTRONIC MODULES .