Smart Junction Box (SJB)

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

DTC	Description	Action
B106A	TPMS Sensor Pressure Range Bit Incorrect State	Refer to WHEELS & TIRES .
B106B	Tire Pressure Sensor Low Battery	Refer to WHEELS & TIRES .
B106C	Tire Pressure Monitor System (TPMS) Low Frequency Subsystem Fault	Refer to WHEELS & TIRES .
B106D	Tire Pressure Monitor System (TPMS) Initiators Not Configured	Refer to WHEELS & TIRES .
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 .
B1138	Memory Full	Refer to HANDLES, LOCKS, LATCHES & KEYLESS ENTRY SYSTEM .
B1139	Invalid Transmitter Identification Code	Refer to HANDLES, LOCKS, LATCHES & KEYLESS ENTRY SYSTEM .
B1302	Accessory Delay Relay Coil Circuit Failure	Refer to WINDOWS & GLASS - GLASS, FRAMES & MECHANISMS .
B1304	Accessory Delay Relay Coil Circuit Short To Battery	Refer to WINDOWS & GLASS - GLASS, FRAMES & MECHANISMS .
B1317	Battery Voltage High	Go to PINPOINT TEST B .
B1318	Battery Voltage Low	Go to PINPOINT TEST C .
B1320	Driver Door Ajar Circuit Open	Refer to INTERIOR LIGHTING SYSTEM .
B1328	Passenger Door Ajar Circuit Open	Refer to INTERIOR LIGHTING SYSTEM .
B1336	Door Ajar RR Circuit Open	Refer to INTERIOR LIGHTING SYSTEM .
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) in this information. TEST the system for normal operation.
B1352	Ignition Key-In Circuit Failure	Refer to INSTRUMENTATION SYSTEM, MESSAGE CENTER & WARNING CHIMES .
B1472	Lamp Headlamp Input Circuit Short To Ground	Refer to EXTERIOR LIGHTING SYSTEM .
B1485	Brake Pedal Input Short to Battery	Refer to EXTERIOR LIGHTING SYSTEM .
B1510	Flash To Pass Switch Circuit Short To Ground	Refer to EXTERIOR LIGHTING SYSTEM .
B1520	Hood Switch Circuit Open	Refer to ANTI-THEFT SYSTEM - ANTI-THEFT PERIMETER .
B1572	Door Ajar LR Circuit Open	Refer to INTERIOR LIGHTING SYSTEM .
B1578	Lamp Park Input Circuit Short To Ground	Refer to EXTERIOR LIGHTING SYSTEM .
B1624	Lamp Keypad Output Open Circuit	Refer to HANDLES, LOCKS, LATCHES & KEYLESS ENTRY SYSTEM .
B1626	Lamp Keypad Output Short Circuit To Ground	Refer to HANDLES, LOCKS, LATCHES & KEYLESS ENTRY SYSTEM .
B1688	Lamp Dome Input Circuit Short To Ground	Refer to INTERIOR LIGHTING SYSTEM .
B1696	Autolamp On Circuit Short To Ground	Refer to EXTERIOR LIGHTING SYSTEM .
B1791	Autolamp Sensor Input Circuit Open	Refer to EXTERIOR LIGHTING SYSTEM .
B1793	Autolamp Sensor Input Circuit Short to Ground	Refer to EXTERIOR LIGHTING SYSTEM .
B2008	Wipers On Signal Circuit Short to Ground	Refer to EXTERIOR LIGHTING SYSTEM .
B2044	Left Rear Stop Lamp Circuit Short to Ground	Refer to EXTERIOR LIGHTING SYSTEM .
B2045	Left Rear Stop Lamp Circuit Open	Refer to EXTERIOR LIGHTING SYSTEM .
B2046	Right Rear Stop Lamp Circuit Short to Ground	Refer to EXTERIOR LIGHTING SYSTEM .
B2047	Right Rear Stop Lamp Circuit Open	Refer to EXTERIOR LIGHTING SYSTEM .
B2071	Hazard Switch Signal Short to Ground	Refer to EXTERIOR LIGHTING SYSTEM .
B2077	Liftgate Ajar Sw Circuit Failure	Refer to INTERIOR LIGHTING SYSTEM .
B2212	Panel Dim Switch Out of Range	Refer to INSTRUMENT CLUSTER ILLUMINATION & INSTRUMENT PANEL ILLUMINATION .
B2254	Front Fog Lamp Switch Failure	Refer to EXTERIOR LIGHTING SYSTEM .
B2276	Less Than Two Transmitters Programmed	Refer to HANDLES, LOCKS, LATCHES & KEYLESS ENTRY SYSTEM .
B2281	Right Turn Switch Short to Ground	Refer to EXTERIOR LIGHTING SYSTEM .
B2282	Left Turn Switch Short to Ground	Refer to EXTERIOR LIGHTING SYSTEM .
B2425	Remote Keyless Entry Out of Synchronization	Refer to HANDLES, LOCKS, LATCHES & KEYLESS ENTRY SYSTEM .
B2477	Module Configuration Failure	Carry out Programmable Module Installation (PMI) on the SJB . Refer to MODULE COMMUNICATIONS NETWORK - MODULE CONFIGURATION .
B2479	Park Brake Switch Circuit Short to Ground	Refer to INSTRUMENTATION SYSTEM, MESSAGE CENTER & WARNING CHIMES .
B2498	Headlamp Switch Multiple Signals Input Active	Refer to EXTERIOR LIGHTING SYSTEM .
B2572	Brake Shift Interlock Output Circuit Failure	Refer to AUTOMATIC TRANSMISSION EXTERNAL CONTROLS .
B2666	Liftgate Release Switch Circuit Failure	Refer to HANDLES, LOCKS, LATCHES & KEYLESS ENTRY SYSTEM .
B2667	Liftglass Release Switch Circuit Failure	Refer to HANDLES, LOCKS, LATCHES & KEYLESS ENTRY SYSTEM .
B273A	Liftgate Release Output Circuit Shorted to Ground	Refer to HANDLES, LOCKS, LATCHES & KEYLESS ENTRY SYSTEM .
B273B	Liftgate Release Output Circuit Open or Shorted to Battery Voltage	Refer to HANDLES, LOCKS, LATCHES & KEYLESS ENTRY SYSTEM .
B2794	3rd Row Power Fold Circuit Failure	Refer to SEAT SYSTEM .
B2844	Ignition Fault	Refer to STEERING COLUMN SWITCHES .
B2868	Left Front Tire Pressure Sensor Fault	Refer to WHEELS & TIRES .
B2869	Right Front Tire Pressure Sensor Fault	Refer to WHEELS & TIRES .
B2870	Right Rear Tire Pressure Sensor Fault	Refer to WHEELS & TIRES .
B2871	Left Rear Tire Pressure Sensor Fault	Refer to WHEELS & TIRES .
B2872	Tire Pressure Sensor Fault	Refer to WHEELS & TIRES .
B287A	Tire Pressure System Fault	Refer to WHEELS & TIRES .
B287B	Incorrect Tire Pressure Sensor Installed	Refer to WHEELS & TIRES .
B29B7	White Lighting Output Circuit Open	Refer to INSTRUMENT CLUSTER ILLUMINATION & INSTRUMENT PANEL ILLUMINATION .
B29B8	White Lighting Output Circuit Short to Ground	Refer to INSTRUMENT CLUSTER ILLUMINATION & INSTRUMENT PANEL ILLUMINATION .
B2A20	Ignition Stuck in START	Refer to STEERING COLUMN SWITCHES .
B2A21	One or More Configuration Files Missing or Corrupt	Carry ut Programmable Module Installation (PMI) on the SJB . Refer to o MODULE COMMUNICATIONS NETWORK - MODULE CONFIGURATION . CLEAR the DTCs. REPEAT the self-test. If DTC B2A21 is retrieved again, INSTALL a new SJB . Refer to SMART JUNCTION BOX (SJB) in this information. TEST the system for normal operation.
B2A22	Headlamp OFF Circuit Open	Refer to EXTERIOR LIGHTING SYSTEM .
B2A23	High Beam Input Circuit Short To Ground	Refer to EXTERIOR LIGHTING SYSTEM .
B2A24	Turn Signal Input Circuit Failure	Refer to EXTERIOR LIGHTING SYSTEM .
B2A25	Trim Panel Lock Switch Circuit Failure	Refer to HANDLES, LOCKS, LATCHES & KEYLESS ENTRY SYSTEM .
B2A26	Keypad Switch Circuit Failure	Refer to HANDLES, LOCKS, LATCHES & KEYLESS ENTRY SYSTEM .
B2A27	Right Front Turn Lamp Circuit Open	Refer to EXTERIOR LIGHTING SYSTEM .
B2A28	Right Front Turn Lamp Circuit Short to Ground	Refer to EXTERIOR LIGHTING SYSTEM .
B2A29	Left Front Turn Lamp Circuit Open	Refer to EXTERIOR LIGHTING SYSTEM .
B2A2A	Left Front Turn Lamp Circuit Short to Ground	Refer to EXTERIOR LIGHTING SYSTEM .
B2A2D	3rd Row Power Fold Circuit Short to Ground	Refer to SEAT SYSTEM .
B2A2E	Right Front Lamp Low Beam Circuit Open	Refer to EXTERIOR LIGHTING SYSTEM .
B2A2F	Right Front Lamp Low Beam Circuit Short to Ground	Refer to EXTERIOR LIGHTING SYSTEM .
B2A30	Left Front Lamp Low Beam Circuit Open	Refer to EXTERIOR LIGHTING SYSTEM .
B2A31	Left Front Lamp Low Beam Circuit Short to Ground	Refer to EXTERIOR LIGHTING SYSTEM .
B2A32	LED Backlighting Output Circuit Open	Refer to INSTRUMENT CLUSTER ILLUMINATION & INSTRUMENT PANEL ILLUMINATION .
B2A33	LED Backlighting Output Circuit Short to Ground	Refer to INSTRUMENT CLUSTER ILLUMINATION & INSTRUMENT PANEL ILLUMINATION .
B2A35	Interior Lighting Output Circuit Open	Refer to INTERIOR LIGHTING SYSTEM .
B2A36	Interior Lighting Output Circuit Short to Ground	Refer to INTERIOR LIGHTING SYSTEM .
B2A39	Puddle Lamp Output Circuit Open	Refer to INTERIOR LIGHTING SYSTEM .
B2A3A	Puddle Lamp Output Circuit Short to Ground	Refer to INTERIOR LIGHTING SYSTEM .
C1125	Brake Fluid Level Sensor Input Circuit Failure	Refer to INSTRUMENTATION SYSTEM, MESSAGE CENTER & WARNING CHIMES .
C2780	EEU in Manufacturer Sub-State	Refer to WHEELS & TIRES .
P062F	Internal Control Module EEPROM Error	Carry out Programmable Module Installation (PMI). Refer to MODULE COMMUNICATIONS NETWORK - MODULE CONFIGURATION . CLEAR the DTCs. REPEAT the self-test. If DTC P062F is retrieved again, INSTALL a new SJB . Refer to SMART JUNCTION BOX (SJB) in this information. TEST the system for normal operation.
U0155	Lost Communication With Instrument Panel Cluster (IC) Control Module	Go to PINPOINT TEST D .
U2050	No Application Present	Carry out PMI for the SJB . Refer to MODULE COMMUNICATIONS NETWORK - MODULE CONFIGURATION . CLEAR the DTCs. REPEAT the self-test. If DTC U2050 is retrieved again, INSTALL a new SJB . Refer to SMART JUNCTION BOX (SJB) in this information. TEST the system for normal operation.
U2472	Unexpected Ignition State	Refer to STEERING COLUMN SWITCHES .
U2473	Unexpected Vehicle Speed (VSS)	NOTE: Sets during the self-test if vehicle speed exceeds 3 mph (5 kph) or vehicle speed cannot be determined by the SJB . VERIFY the speedometer operates correctly.If the speedometer does not operate correctly, refer to INSTRUMENTATION SYSTEM, MESSAGE CENTER & WARNING CHIMES .If the speedometer operates correctly, the self-test is carried out while the vehicle is moving. STOP the vehicle and REPEAT the self-test.