MULTIFUNCTION Electronic Modules DTCS

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

DTC	Description	Action
B106A	TPMS Sensor Pressure Range Bit Incorrect State	REFER to WHEELS & TIRES article.
B106B	Tire Pressure Sensor Low Battery	REFER to WHEELS & TIRES article.
B106E	Solid State Driver Disabled Due to Short Circuit	GO to PINPOINT TEST A .
B106F	Module Disabled Due to External Fault	GO to PINPOINT TEST A .
B1139	Invalid Transmitter Identification Code	REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS article.
B1302	Accessory Delay Relay Coil Circuit Failure	REFER to WINDOWS AND GLASS - GLASS, FRAMES AND MECHANISMS article.
B1304	Accessory Delay Relay Coil Circuit Short to Battery	REFER to WINDOWS AND GLASS - GLASS, FRAMES AND MECHANISMS article.
B1309	Power Door Lock Circuit Short to Ground	REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS article.
B1317	Battery Voltage High	GO to PINPOINT TEST B .
B1318	Battery Voltage Low	GO to PINPOINT TEST C .
B1322	Driver Door Ajar Circuit Short to Ground	REFER to INTERIOR LIGHTING SYSTEM article.
B1330	Passenger Door Ajar Circuit Short to Ground	REFER to INTERIOR LIGHTING SYSTEM article.
B1338	Door Ajar RR Circuit Short to Ground	REFER to INTERIOR LIGHTING SYSTEM article.
B1341	Power Door Unlock Circuit Short to Ground	REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS article.
B1342	ECU is Faulted	DIAGNOSE all other DTCs first. If no other DTCs are present, INSTALL a new SJB. REFER to SMART JUNCTION BOX (SJB) . TEST the system for normal operation.
B1359	Ignition Run/Acc Circuit Failure	REFER to STEERING COLUMN article.
B1470	Lamp Headlamp Input Circuit Failure	REFER to EXTERIOR LIGHTING SYSTEM article.
B1555	Ignition Run/Start Circuit Failure	REFER to STEERING COLUMN article.
B1569	Lamp Headlamp High-Beam Circuit Short to Battery	REFER to EXTERIOR LIGHTING SYSTEM article.
B1574	Door Ajar LR Circuit Short to Ground	REFER to INTERIOR LIGHTING SYSTEM article.
B1688	Lamp Dome Input Circuit Short to Ground	REFER to INTERIOR LIGHTING SYSTEM article.
B1897	Horn Switch Circuit Failure	REFER to HORN SYSTEM article.
B2030	Front Fog Lamp Relay Ckt Failure	REFER to EXTERIOR LIGHTING SYSTEM article.
B2143	NVM Memory Failure	CLEAR the DTCs. REPEAT the self-test. If DTC B2143 is retrieved again, INSTALL a new SJB. REFER to SMART JUNCTION BOX (SJB) . TEST the system for normal operation.
B2261	Park Lamp Switch Failure	REFER to EXTERIOR LIGHTING SYSTEM article.
B2276	Less Than 2 Transmitters Programmed	REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS article.
B2425	Remote Keyless Entry Out of Synchronization	REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS article.
B2472	Fog Lamp Switch Failure	REFER to EXTERIOR LIGHTING SYSTEM article.
B2477	Module Configuration Failure	REFER to MODULE CONFIGURATION SYSTEM article.
B2512	Front Fog Lamp Relay Ckt Short to Battery	REFER to EXTERIOR LIGHTING SYSTEM article.
B2868	Left Front Tire Pressure Sensor Fault	REFER to WHEELS & TIRES article.
B2869	Right Front Tire Pressure Sensor Fault	REFER to WHEELS & TIRES article.
B2870	Right Rear Tire Pressure Sensor Fault	REFER to WHEELS & TIRES article.
B2871	Left Rear Tire Pressure Sensor Fault	REFER to WHEELS & TIRES article.
B2872	Tire Pressure Sensor Fault	REFER to WHEELS & TIRES article.
B287A	Tire Pressure System Fault	REFER to WHEELS & TIRES article.
B2973	Daytime Running Lamp Output Shorted to Ground	REFER to EXTERIOR LIGHTING SYSTEM article.
C1446	Brake Switch Circuit Failure	REFER to WHEELS & TIRES article.
C2780	ECU in Manufacturer Sub-State	REFER to WHEELS & TIRES article.
U0100	Lost Communication With ECM/PCM	GO to PINPOINT TEST D .
U0155	Lost Communication With Instrument Panel Cluster (IC) Control Module	GO to PINPOINT TEST E .
U2023	Fault Received From External Node	RETRIEVE and FOLLOW non-network DTCs from other modules.
U2050	No Application Present	REFER to MODULE CONFIGURATION SYSTEM article.