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MULTIFUNCTION Electronic Modules

DIAGNOSTIC TROUBLE CODES (DTC) LIST

DTC Description Source Action
B1031 SDARS Satellite Antenna Open Satellite Digital Audio Receiver System (SDARS) Module REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
B1032 SDARS Satellite Antenna Short SDARS Module REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
B1038 Microphone Input Circuit Failure Accessory Protocol Interface Module (APIM) REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
B106A TPMS Sensor Pressure Range Bit Incorrect State SJB REFER to WHEELS AND TIRES article.
B106B Tire Pressure Sensor Low Battery SJB REFER to WHEELS AND TIRES article.
B106C Tire Pressure Monitor System (TPMS) Low Frequency Subsystem Fault SJB DISREGARD the DTC. It is not applicable to this vehicle. The SJB may be incorrectly configured or the SJB may be at fault. CHECK the configuration of the SJB. CLEAR the DTCs. REPEAT the self-test.
B106D Tire Pressure Monitor System (TPMS) Initiators Not Configured SJB REFER to Smart Junction Box (SJB) .
B106E Solid State Driver Disabled Due to Short Circuit SJB REPAIR all other DTCs. CLEAR the DTCs. REPEAT the self-test.
B106F Module Disabled Due to External Fault SJB REPAIR all other DTCs. CLEAR the DTCs. REPEAT the self-test. If all other DTCs have been repaired and DTC B106F is still present, INSTALL a new SJB. REFER to Smart Junction Box (SJB) .
B1117 Audio Steering Wheel Button Stuck APIM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
B1117 Audio Steering Wheel Button Stuck Audio Control Module (ACM) REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
B1136 Audio Steering Wheel Switch #2 Circuit Failure APIM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
B1155 Subwoofer #1 Short to Battery ACM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
B1200 Climate Control Pushbutton Circuit Failure HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B1202 Fuel Sender Circuit Open Instrument Cluster (IC) REFER to INSTRUMENT CLUSTER (IC), MESSAGE CENTER, AND WARNING CHIMES article.
B1204 Fuel Sender Circuit Short to Ground IC REFER to INSTRUMENT CLUSTER (IC), MESSAGE CENTER, AND WARNING CHIMES article.
B1205 EIC Switch-1 Assembly Circuit Failure IC INSTALL a new instrument cluster (IC). REFER to INSTRUMENT CLUSTER (IC), MESSAGE CENTER, AND WARNING CHIMES article. TEST the system for normal operation.
B1206 EIC Switch-1 Assembly Circuit Open IC REFER to INSTRUMENT CLUSTER (IC), MESSAGE CENTER, AND WARNING CHIMES article.
B1208 EIC Switch-1 Assembly Circuit Short To Ground IC REFER to INSTRUMENT CLUSTER (IC), MESSAGE CENTER, AND WARNING CHIMES article.
B1213 Anti-Theft Number of Programmed Keys Is Below Minimum IC REFER to PASSIVE ANTI-THEFT SYSTEM (PATS) PARAMETER RESET article.
B1231 Event Threshold Exceeded Occupant Classification System Module (OCSM) REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
B1231 Event Threshold Exceeded Restraints Control Module (RCM) REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
B1251 Air Temperature Internal Sensor Circuit Open HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B1253 Air Temperature Internal Sensor Circuit Short To Ground HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B1255 Air Temperature External Sensor Circuit Open HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B1257 Air Temperature External Sensor Circuit Short To Ground HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B129A Driver Blend Door Actuator, Drive Circuit(s) Open or Shorted to Ground HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B129B Driver Blend Door Actuator, Drive Circuit(s) Shorted to Battery Voltage HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B129C Driver Blend Door Actuator, Feedback Circuit Open or Shorted to Battery Voltage HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B129D Driver Blend Door Actuator, Feedback Circuit Shorted to Ground HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B129E Passenger Blend Door Actuator, Drive Circuit(s) Open or Shorted to Ground HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B129F Passenger Blend Door Actuator, Drive Circuit(s) Shorted to Battery Voltage HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B12A0 Passenger Blend Door Actuator, Feedback Circuit Open or Shorted to Battery Voltage HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B12A1 Passenger Blend Door Actuator, Feedback Circuit Shorted to Ground HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B12A2 Passenger Blend Door Actuator, Slow or Door Obstructed HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B12A4 Mode Door Actuator, Drive Circuit(s) Shorted to Battery Voltage HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B12A5 Mode Door Actuator, Feedback Circuit Open or Shorted to Battery Voltage HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B12A6 Mode Door Actuator, Feedback Circuit Shorted to Ground HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B12A7 Mode Door Actuator, Slow or Door Obstructed HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B12A9 Recirc Door Actuator, Drive Circuit(s) Shorted to Battery Voltage HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B12AA Recirc Door Actuator, Slow or Door Obstructed HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B12AB Drivers Heated Seat Relay Drive Circuit Shorted to Battery Voltage HVAC Module REFER to SEATING article.
B12AC Drivers Heated Seat Relay Drive Circuit Open or Shorted to Ground HVAC Module REFER to SEATING article.
B12AD Passenger Heated Seat Relay Drive Circuit Shorted to Battery Voltage HVAC Module REFER to SEATING article.
B12AE Passenger Heated Seat Relay Drive Circuit Open or Shorted to Ground HVAC Module REFER to SEATING article.
B12AF Front Blower Motor Relay Drive Circuit Shorted to Battery Voltage HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B12B0 Front Blower Motor Relay Drive Circuit Open or Shorted to Ground HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B12B1 Front Blower Motor PWM Drive Circuit Shorted to Battery Voltage HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B12B2 Front Blower Motor PWM Drive Circuit Open or Shorted to Ground HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B12B3 Blend Door Actuator, Drive Circuit(s) Shorted to Battery Voltage HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B12B5 Blend Door Actuator, Feedback Circuit Open or Shorted to Battery Voltage HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B12B6 Blend Door Actuator, Feedback Circuit Shorted to Ground HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B12B7 Blend Door Actuator, Slow or Door Obstructed HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B12B8 Drivers Blend Door Actuator, Slow or Door Obstructed HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B12B9 Vref (5V) Drive Circuit Shorted to Battery Voltage HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B12BA Vref (5V) Drive Circuit Shorted to Ground HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B12BE Heated Backlight/Mirror Relay Drive Circuit Shorted to Battery Voltage HVAC Module REFER to REAR VIEW MIRRORS article.
B12BF Heated Backlight/Mirror Relay Drive Circuit Open or Shorted to Ground HVAC Module REFER to REAR VIEW MIRRORS article.
B1302 Accessory Delay Relay Coil Circuit Failure SJB REFER to GLASS, FRAMES AND MECHANISMS article.
B1304 Accessory Delay Relay Coil Circuit Short To Battery SJB REFER to GLASS, FRAMES AND MECHANISMS article.
B1317 Battery Voltage High APIM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
B1317 Battery Voltage High IC REFER to CHARGING SYSTEM - GENERAL INFORMATION article.
B1317 Battery Voltage High OCSM REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
B1317 Battery Voltage High RCM REFER to CHARGING SYSTEM - GENERAL INFORMATION article.
B1317 Battery Voltage High SJB REFER to CHARGING SYSTEM - GENERAL INFORMATION article.
B1318 Battery Voltage Low ACM REFER to CHARGING SYSTEM - GENERAL INFORMATION article.
B1318 Battery Voltage Low APIM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
B1318 Battery Voltage Low Front Controls Interface Module (FCIM) REFER to CHARGING SYSTEM - GENERAL INFORMATION article.
B1318 Battery Voltage Low Front Display Interface Module (FDIM) REFER to CHARGING SYSTEM - GENERAL INFORMATION article.
B1318 Battery Voltage Low IC REFER to CHARGING SYSTEM - GENERAL INFORMATION article.
B1318 Battery Voltage Low OCSM REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
B1318 Battery Voltage Low RCM REFER to CHARGING SYSTEM - GENERAL INFORMATION article.
B1318 Battery Voltage Low SDARS Module REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
B1318 Battery Voltage Low SJB REFER to CHARGING SYSTEM - GENERAL INFORMATION article.
B1320 Driver Door Ajar Circuit Open SJB REFER to INTERIOR LIGHTING article.
B1328 Passenger Door Ajar Circuit Open SJB REFER to INTERIOR LIGHTING article.
B1331 Decklid Ajar Rear Door Circuit Failure SJB REFER to INTERIOR LIGHTING article.
B1336 Door Ajar RR Circuit Open SJB REFER to INTERIOR LIGHTING article.
B1342 ECU is Faulted ABS Module CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new ABS module. REFER to VEHICLE DYNAMIC SYSTEMS article. REPEAT the self-test.
B1342 ECU is Faulted ACM CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new ACM. REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article. REPEAT the self-test.
B1342 ECU is Faulted APIM CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new APIM. REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article. REPEAT the self-test.
B1342 ECU is Faulted FCIM CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new FCIM. REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article. REPEAT the self-test.
B1342 ECU is Faulted FDIM CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new FDIM. REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article. REPEAT the self-test.
B1342 ECU is Faulted HVAC Module CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new HVAC module. REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article. REPEAT the self-test.
B1342 ECU is Faulted IC CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new IC. REFER to INSTRUMENT CLUSTER (IC), MESSAGE CENTER, AND WARNING CHIMES article. REPEAT the self-test.
B1342 ECU is Faulted OCSM CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new OCSM. REFER to SUPPLEMENTAL RESTRAINT SYSTEM article. REPEAT the self-test.
B1342 ECU is Faulted RCM CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new RCM. REFER to SUPPLEMENTAL RESTRAINT SYSTEM article. REPEAT the self-test.
B1342 ECU is Faulted SDARS Module CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new SDARS module. REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article. REPEAT the self-test.
B1342 ECU is Faulted SJB CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new SJB. REFER to Smart Junction Box (SJB) . TEST the system for normal operation.
B1352 Ignition Key-In Circuit Failure SJB REFER to INSTRUMENT CLUSTER (IC), MESSAGE CENTER, AND WARNING CHIMES article.
B1472 Lamp Headlamp Input Circuit Short to Ground SJB REFER to EXTERIOR LIGHTING article.
B1485 Brake Pedal Input Short to Battery SJB REFER to EXTERIOR LIGHTING article.
B1510 Flash to Pass Switch Circuit Short to Ground SJB REFER to EXTERIOR LIGHTING article.
B1520 Hood Switch Circuit Open SJB REFER to ANTI-THEFT - PERIMETER article.
B1572 Door Ajar LR Circuit Open SJB REFER to INTERIOR LIGHTING article.
B1578 Lamp Park Input Circuit Short to Ground SJB REFER to EXTERIOR LIGHTING article.
B1600 PATS Ignition Key Transponder Signal Is Not Received IC REFER to PASSIVE ANTI-THEFT SYSTEM (PATS) PARAMETER RESET article.
B1601 PATS Received Incorrect Key-Code From Ignition Key Transponder IC REFER to PASSIVE ANTI-THEFT SYSTEM (PATS) PARAMETER RESET article.
B1602 PATS Received Invalid Format Of Key-Code From Ignition Key Transponder IC REFER to PASSIVE ANTI-THEFT SYSTEM (PATS) PARAMETER RESET article.
B1624 Lamp Keypad Output Open Circuit SJB REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS article.
B1626 Lamp Keypad Output Short Circuit To Ground SJB REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS article.
B1676 Battery Pack Voltage Out Of Range ABS Module REFER to VEHICLE DYNAMIC SYSTEMS article.
B1676 Battery Pack Voltage Out Of Range HVAC Module REFER to CHARGING SYSTEM - GENERAL INFORMATION article.
B1681 PATS Transceiver Module Signal Is Not Received IC REFER to PASSIVE ANTI-THEFT SYSTEM (PATS) PARAMETER RESET article.
B1685 Lamp Dome Input Circuit Failure SJB REFER to INTERIOR LIGHTING article.
B1688 Lamp Dome Input Circuit Short to Ground SJB REFER to INTERIOR LIGHTING article.
B1696 Autolamp On Circuit Short To Ground SJB REFER to EXTERIOR LIGHTING article.
B1791 Autolamp Sensor Input Circuit Open SJB REFER to EXTERIOR LIGHTING article.
B1793 Autolamp Sensor Input Circuit Short to Ground SJB REFER to EXTERIOR LIGHTING article.
B1868 Lamp Air Bag Warning Indicator Circuit Failure IC REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
B1868 Lamp Air Bag Warning Indicator Circuit Failure RCM REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
B1870 Lamp Air Bag Warning Indicator Circuit Short to Battery IC REFER to INSTRUMENT CLUSTER (IC), MESSAGE CENTER, AND WARNING CHIMES article.
B1884 PAD Warning Lamp Circuit Failure RCM REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
B1890 PAD Warning Lamp Circuit Short to Battery RCM REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
B2008 Wipers On Signal Circuit Short to Ground SJB REFER to WIPERS AND WASHERS article.
B2044 Left Rear Stop Lamp Circuit Short to Ground SJB REFER to EXTERIOR LIGHTING article.
B2045 Left Rear Stop Lamp Circuit Open SJB REFER to EXTERIOR LIGHTING article.
B2046 Right Rear Stop Lamp Circuit Short to Ground SJB REFER to EXTERIOR LIGHTING article.
B2047 Right Rear Stop Lamp Circuit Open SJB REFER to EXTERIOR LIGHTING article.
B2048 Left Rear Turn Lamp Circuit Short to Ground SJB REFER to Smart Junction Box (SJB) .
B2050 Right Rear Turn Lamp Circuit Short to Ground SJB REFER to Smart Junction Box (SJB) .
B2071 Hazard Switch Signal Short to Ground SJB REFER to EXTERIOR LIGHTING article.
B2077 Liftgate Ajar Sw Circuit Failure SJB REFER to INTERIOR LIGHTING article.
B2100 Door Driver Key Cylinder Switch Failure SJB REFER to ANTI-THEFT - PERIMETER article.
B2103 Antenna Not Connected ACM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
B2103 Antenna Not Connected IC REFER to PASSIVE ANTI-THEFT SYSTEM (PATS) PARAMETER RESET article.
B2108 Trunk Key Cylinder Switch Failure SJB REFER to ANTI-THEFT - PERIMETER article.
B2141 NVM Configuration Failure IC REFER to PASSIVE ANTI-THEFT SYSTEM (PATS) PARAMETER RESET article.
B2143 NVM Memory Failure IC REFER to INSTRUMENT CLUSTER (IC), MESSAGE CENTER, AND WARNING CHIMES article.
B2212 Panel Dim Switch Out of Range SJB REFER to INTERIOR LIGHTING article.
B2254 Front Fog Lamp Switch Failure SJB REFER to EXTERIOR LIGHTING article.
B2274 Phone Transceiver Active Circuit Failure ACM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
B2276 Less Than 2 Transmitters Programmed SJB REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS article.
B2281 Right Turn Switch Short to Ground SJB REFER to EXTERIOR LIGHTING article.
B2282 Left Turn Switch Short to Ground SJB REFER toEXTERIOR LIGHTING article.
B2290 Occupant Classification System Fault OCSM REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
B2290 Occupant Classification System Fault RCM REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
B2292 Restraint System - Seatbelt Pretensioner Fault RCM REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
B2293 Restraint System - Airbag Fault RCM REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
B2294 Restraint System - Curtain Fault RCM REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
B2295 Restraint System - Side Airbag Fault RCM REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
B2296 Restraint System - Impact Sensor Fault RCM REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
B2384 Audio Reverse Aid Mute Input Ckt. Failure ACM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
B2404 Audio Steering Wheel Switch Circuit Fault ACM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
B2405 Audio Disc CD Player Thermal Shutdown Fault ACM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
B2406 Audio Disc CD Player Internal Fault ACM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
B2425 Remote Keyless Entry Out of Synchronization SJB REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS article.
B2426 Passenger Solar Radiation Sensor Circuit Open HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B2427 Passenger Solar Radiation Sensor Circuit Short to Ground HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B2431 Transponder Programming Failed IC REFER to PASSIVE ANTI-THEFT SYSTEM (PATS) PARAMETER RESET article.
B2432 Drivers Seat Belt Buckle Switch Circuit Open RCM REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
B2433 Drivers Seat Belt Buckle Switch Circuit Short to Battery RCM REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
B2434 Drivers Seat Belt Buckle Switch Circuit Short to Ground RCM REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
B2435 Drivers Seat Belt Buckle Switch Resistance Out of Range RCM REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
B2436 Passengers Seat Belt Buckle Switch Circuit Open RCM REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
B2437 Passengers Seat Belt Buckle Switch Circuit Short to Battery RCM REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
B2438 Passengers Seat Belt Buckle Switch Circuit Short to Ground RCM REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
B2439 Passengers Seat Belt Buckle Switch Resistance Out of Range RCM REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
B2477 Module Configuration Failure ACM REFER to MODULE CONFIGURATION article.
B2477 Module Configuration Failure APIM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
B2477 Module Configuration Failure FDIM REFER to MODULE COMMUNICATIONS NETWORK article.
B2477 Module Configuration Failure HVAC Module REFER to MODULE COMMUNICATIONS NETWORK article.
B2477 Module Configuration Failure IC REFER to MODULE COMMUNICATIONS NETWORK article.
B2477 Module Configuration Failure RCM REFER to MODULE COMMUNICATIONS NETWORK article.
B2477 Module Configuration Failure SDARS Module REFER to MODULE COMMUNICATIONS NETWORK article.
B2477 Module Configuration Failure SJB CONFIGURE the SJB. REFER to MODULE CONFIGURATION article. CLEAR the DTCs. RETRIEVE the DTCs and VERIFY successful SJB configuration.
B2479 Park Brake Switch Circuit Short to Ground SJB REFER to INSTRUMENT CLUSTER (IC), MESSAGE CENTER, AND WARNING CHIMES article.
B2498 Headlamp Switch Multiple Signals Input Active SJB REFER to EXTERIOR LIGHTING article.
B2572 Brake Shift Interlock Output Circuit Failure SJB REFER to AUTOMATIC TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS article.
B2666 Liftgate Release Switch Circuit Failure SJB REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS article.
B2667 Liftglass Release Switch Circuit Failure SJB REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS article.
B273A Liftgate Release Output Circuit Shorted to Ground SJB REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS article.
B273B Liftgate Release Output Circuit Open or Shorted to Battery Voltage SJB REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS article.
B2783 Interior Humidity Sensor to DATC Short Circuit HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B2784 Interior Humidity Sensor to DATC Open Circuit HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B2792 Cross Link Between Firing Loops RCM REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
B2795 Driver Solar Radiation Sensor Circuit Short to Ground HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B2796 Driver Solar Radiation Sensor Circuit Open HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B2826 Front Evaporator Temp Sensor Circuit Failure HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B2827 Front Evaporator Temp Sensor Short to Ground HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B2844 Ignition Fault SJB REFER to STEERING COLUMN SWITCHES article.
B2868 Left Front Tire Pressure Sensor Fault SJB This DTC is only present when a new SJB is installed, or the SJB is configured. REFER to WHEELS AND TIRES article to carry out the tire pressure monitoring system (TPMS) sensor training in order to clear this DTC.
B2869 Right Front Tire Pressure Sensor Fault SJB This DTC is only present when a new SJB is installed, or the SJB is configured. REFER to WHEELS AND TIRES article to carry out the TPMS sensor training in order to clear this DTC.
B2870 Right Rear Tire Pressure Sensor Fault SJB This DTC is only present when a new SJB is installed, or the SJB is configured. REFER to WHEELS AND TIRES article to carry out the TPMS sensor training in order to clear this DTC.
B2871 Left Rear Tire Pressure Sensor Fault SJB This DTC is only present when a new SJB is installed, or the SJB is configured. REFER to WHEELS AND TIRES article to carry out the TPMS sensor training in order to clear this DTC.
B2872 Tire Pressure Sensor Fault SJB REFER to WHEELS AND TIRES article.
B287A Tire Pressure System Fault SJB REFER to WHEELS AND TIRES article.
B2909 Belt Tension Sensor Fault OCSM REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
B2913 Audio Subwoofer Not Connected ACM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
B2924 Audio Button Stuck FCIM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
B2949 Global Opening/Closing Circuit Short to Battery SJB REFER to GLASS, FRAMES AND MECHANISMS article.
B2965 Audio System Speaker Circuit Fault ACM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
B297A Blend Door Actuator, Drive Circuit(s) Open HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B297B Blend Door Actuator, Drive Circuit(s) Shorted to Ground HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B298A Mode Door Actuator, Drive Circuit(s) Open HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B298B Mode Door Actuator, Drive Circuit(s) Shorted to Ground HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B298C Recirc Door Actuator, Drive Circuit(s) Open HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B298D Recirc Door Actuator, Drive Circuit(s) Shorted to Ground HVAC Module REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
B29B7 White Lighting Output Circuit Open SJB REFER to INTERIOR LIGHTING article.
B29B8 White Lighting Output Circuit Short to Ground SJB REFER to INTERIOR LIGHTING article.
B2A20 Ignition stuck in START SJB REFER to STEERING COLUMN SWITCHES article.
B2A21 One or More Configuration Files Missing or Corrupt SJB REFER to MODULE CONFIGURATION article.
B2A22 Headlamp OFF Circuit Open SJB REFER to EXTERIOR LIGHTING article.
B2A23 High Beam Input Circuit Short To Ground SJB REFER to EXTERIOR LIGHTING article.
B2A24 Turn Signal Input Circuit Failure SJB REFER to EXTERIOR LIGHTING article.
B2A25 Trim Panel Lock Switch Circuit Failure SJB REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS article.
B2A26 Keypad Switch Circuit Failure SJB REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS article.
B2A27 Right Front Turn Lamp Circuit Open SJB REFER to EXTERIOR LIGHTING article.
B2A28 Right Front Turn Lamp Circuit Short to Ground SJB REFER to EXTERIOR LIGHTING article.
B2A29 Left Front Turn Lamp Circuit Open SJB REFER to EXTERIOR LIGHTING article.
B2A2A Left Front Turn Lamp Circuit Short to Ground SJB REFER to EXTERIOR LIGHTING article.
B2A2B Left Corner Lamp Output Circuit Short to Ground SJB REFER to Smart Junction Box (SJB) .
B2A2C Right Corner Lamp Output Circuit Short to Ground SJB REFER to Smart Junction Box (SJB) .
B2A2D 3rd Row Power Fold Circuit Short to Ground SJB REFER to SEATING article.
B2A2E Right Front Lamp Low Beam Circuit Open SJB REFER to EXTERIOR LIGHTING article.
B2A2F Right Front Lamp Low Beam Circuit Short to Ground SJB REFER to EXTERIOR LIGHTING article.
B2A30 Left Front Lamp Low Beam Circuit Open SJB REFER to EXTERIOR LIGHTING article.
B2A31 Left Front Lamp Low Beam Circuit Short to Ground SJB REFER to EXTERIOR LIGHTING article.
B2A32 LED Backlighting Output Circuit Open SJB REFER to INSTRUMENT CLUSTER AND PANEL ILLUMINATION article.
B2A33 LED Backlighting Output Circuit Short to Ground SJB REFER to INSTRUMENT CLUSTER AND PANEL ILLUMINATION article.
B2A35 Interior Lighting Output Circuit Open SJB REFER to INTERIOR LIGHTING article.
B2A36 Interior Lighting Output Circuit Short to Ground SJB REFER to INTERIOR LIGHTING article.
B2A37 Floor Lamp Output Circuit Open SJB REFER to Smart Junction Box (SJB) .
B2A38 Floor Lamp Output Circuit Short to Ground SJB REFER to Smart Junction Box (SJB) .
C1093 Traction Control Disable Switch Circuit Failure IC REFER to VEHICLE DYNAMIC SYSTEMS article.
C1095 ABS Hydraulic Pump Motor Circuit Failure ABS Module REFER to VEHICLE DYNAMIC SYSTEMS article.
C1125 Brake Fluid Level Sensor Input Circuit Failure SJB REFER to INSTRUMENT CLUSTER (IC), MESSAGE CENTER, AND WARNING CHIMES article.
C1145 Speed Wheel Sensor RF Input Circuit Failure ABS Module REFER to VEHICLE DYNAMIC SYSTEMS article.
C1155 Speed Wheel Sensor LF Input Circuit Failure ABS Module REFER to VEHICLE DYNAMIC SYSTEMS article.
C1165 Speed Wheel Sensor RR Input Circuit Failure ABS Module REFER to VEHICLE DYNAMIC SYSTEMS article.
C1175 Speed Wheel Sensor LR Input Circuit Failure ABS Module REFER to VEHICLE DYNAMIC SYSTEMS article.
C1233 Speed Wheel LF Input Signal Missing ABS Module REFER to VEHICLE DYNAMIC SYSTEMS article.
C1234 Speed Wheel RF Input Signal Missing ABS Module REFER to VEHICLE DYNAMIC SYSTEMS article.
C1235 Speed Wheel RR Input Signal Missing ABS Module REFER to VEHICLE DYNAMIC SYSTEMS article.
C1236 Speed Wheel LR Input Signal Missing ABS Module REFER to VEHICLE DYNAMIC SYSTEMS article.
C1414 Incorrect Module Design Level RCM REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
C1941 Zero Seat Weight Test Failure OCSM REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
C1946 Front Driver's Seat Track Position Switch Circuit Open RCM REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
C1947 Front Driver's Seat Track Position Switch Circuit Short to Ground RCM REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
C1948 Front Driver's Seat Track Position Switch Circuit Resistance Out of Range RCM REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
C1982 Front Driver's Seat Track Position Switch Circuit Short to Battery RCM REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
C1992 Vehicle Speed Circuit Failure ACM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
C2780 ECU in Manufacturer Sub-State SJB
NOTE: If DTC B2477 is also present, refer to the Action for SJB DTC B2477 in this DTC Chart.
This DTC is only present when a new SJB is installed, or the SJB is configured. REFER to WHEELS AND TIRES article to carry out the TPMS sensor training, then CARRY OUT the SJB self-test in order to clear this DTC.
P0512 Starter Request Circuit PCM REFER to STARTING SYSTEM article.
P0625 Generator Field Terminal Circuit Low PCM REFER to CHARGING SYSTEM - GENERAL INFORMATION article.
P0626 Generator Field Terminal Circuit High PCM REFER to CHARGING SYSTEM - GENERAL INFORMATION article.
P062F Internal Control Module EEPROM Error SJB INSTALL a new SJB. REFER to Smart Junction Box (SJB) .
P1260 Theft Detected, Vehicle Immobilized PCM REFER to PASSIVE ANTI-THEFT SYSTEM (PATS) PARAMETER RESET article.
PXXXX All other DTCs PCM REFER to the INTRODUCTION - GASOLINE MODELS article.
U0001 High Speed CAN Communication Bus ABS Module REFER to MODULE COMMUNICATIONS NETWORK article.
U0100 Lost Communication With ECM/PCM ABS Module REFER to MODULE COMMUNICATIONS NETWORK article.
U0100 Lost Communication With ECM/PCM IC REFER to PASSIVE ANTI-THEFT SYSTEM (PATS) PARAMETER RESET article.
U0101 Lost Communication With TCM IC REFER to INSTRUMENT CLUSTER (IC), MESSAGE CENTER, AND WARNING CHIMES article.
U0121 Lost Communication With Anti-Lock Brake System (ABS) Control Module IC REPEAT the self-test. If DTC B1318 is present, REFER to CHARGING SYSTEM - GENERAL INFORMATION article to diagnose the charging system first. If DTC U0121 returns, REFER to MODULE COMMUNICATIONS NETWORK article to diagnose no communication with the ABS module.
U0140 Lost Communication With Body Control Module (GEM) ABS Module REFER to MODULE COMMUNICATIONS NETWORK article.
U0140 Lost Communication With Body Control Module (GEM) ACM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
U0140 Lost Communication With Body Control Module (GEM) FCIM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
U0140 Lost Communication With Body Control Module (GEM) FDIM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
U0140 Lost Communication With Body Control Module (GEM) HVAC Module REFER to MODULE COMMUNICATIONS NETWORK article.
U0140 Lost Communication With Body Control Module (GEM) IC REFER to INSTRUMENT CLUSTER (IC), MESSAGE CENTER, AND WARNING CHIMES article.
U0151 Lost Communication With Restraints Control Module (RCM) IC REFER to INSTRUMENT CLUSTER (IC), MESSAGE CENTER, AND WARNING CHIMES article.
U0151 Lost Communication With Restraints Control Module OCSM REFER to MODULE COMMUNICATIONS NETWORK article.
U0154 Lost Communication With Restraints Occupant Classification System Module (OCS) RCM REFER to MODULE COMMUNICATIONS NETWORK article.
U0155 Lost Communication With Instrument Panel Cluster (IC) Control Module ACM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
U0155 Lost Communication With Instrument Panel Cluster (IC) Control Module FDIM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
U0155 Lost Communication With Instrument Panel Cluster (IC) Control Module SJB REFER to MODULE COMMUNICATIONS NETWORK article.
U0159 Lost Communication With Parking Assist Control Module (PAM) ACM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
U0164 Lost Communication With HVAC Control Module (EATC) FDIM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
U0164 Lost Communication With HVAC Control Module (EATC) IC REPEAT the self-test. If DTC B1318 is present, REFER to CHARGING SYSTEM - GENERAL INFORMATION article to diagnose the charging system first. If DTC U0164 returns, REFER to MODULE COMMUNICATIONS NETWORK article to diagnose no communication with the HVAC module.
U0184 Lost Communication With Radio (ACM) APIM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
U0184 Lost Communication With Radio (ACM) FCIM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
U0184 Lost Communication With Radio (ACM) FDIM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
U0184 Lost Communication With Radio (ACM) SDARS Module REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
U0193 Lost Communication With Digital Audio Control Module (SDARS) ACM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
U0193 Lost Communication With Digital Audio Control Module (SDARS) FDIM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
U0197 Lost Communication With Telephone Control Module ACM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
U0197 Lost Communication With Telephone Control Module FDIM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
U0197 Lost Communication With Telephone Control Module SDARS Module REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
U0255 Lost Communication With Front Controls Interface Module ACM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
U0255 Lost Communication With Front Controls Interface Module APIM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
U0255 Lost Communication With Front Controls Interface Module SDARS Module REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
U0256 Lost Communication With Front Display Interface Module ACM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
U0256 Lost Communication With Front Display Interface Module APIM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
U0256 Lost Communication With Front Display Interface Module SDARS Module REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
U0300 Internal Control Module Software Incompatibility HVAC Module REFER to MODULE CONFIGURATION article.
U0401 Invalid Data Received From ECM/PCM A ABS Module REFER to VEHICLE DYNAMIC SYSTEMS article.
U0401 Invalid Data Received from ECM/PCM A RCM REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
U0455 Invalid Data Received From Restraints Occupant Classification System Module RCM REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
U2023 Fault Received From External Node IC U2023 is set when a module receives invalid network data from another module with a faulted input. RETRIEVE and REPAIR all non-network DTCs in the other modules on the network.
U2050 No Application Present ABS Module REFER to MODULE CONFIGURATION article.
U2050 No Application Present ACM REFER to MODULE CONFIGURATION article.
U2050 No Application Present APIM REFER to MODULE CONFIGURATION article.
U2050 No Application Present FCIM REFER to MODULE CONFIGURATION article.
U2050 No Application Present FDIM REFER to MODULE CONFIGURATION article.
U2050 No Application Present HVAC Module REFER to MODULE CONFIGURATION article.
U2050 No Application Present IC REFER to MODULE CONFIGURATION article.
U2050 No Application Present OCSM REFER to MODULE CONFIGURATION article.
U2050 No Application Present RCM REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
U2050 No Application Present SDARS Module REFER to MODULE CONFIGURATION article.
U2050 No Application Present SJB CONFIGURE the SJB. REFER to MODULE CONFIGURATION article. CLEAR the DTCs. RETRIEVE the DTCs and VERIFY successful SJB configuration. If DTC U2050 is retrieved again, INSTALL a new SJB. REFER to Smart Junction Box (SJB) . REPEAT the self-test.
U2051 One or More Calibration Files Missing / Corrupt ACM REFER to MODULE CONFIGURATION article.
U2051 One or More Calibration Files Missing / Corrupt FCIM REFER to MODULE CONFIGURATION article.
U2051 One or More Calibration Files Missing / Corrupt FDIM REFER to MODULE CONFIGURATION article.
U2051 One or More Calibration Files Missing / Corrupt HVAC Module REFER to MODULE CONFIGURATION article.
U2051 One or More Calibration Files Missing / Corrupt OCSM REFER to MODULE CONFIGURATION article.
U2051 One or More Calibration Files Missing / Corrupt RCM REFER to MODULE CONFIGURATION article.
U2472 Unexpected Ignition State IC REFER to INSTRUMENT CLUSTER (IC), MESSAGE CENTER, AND WARNING CHIMES article.
U2472 Unexpected Ignition State SJB SETS during self-test if ignition is not in ON or ignition status cannot be obtained. RETRIEVE and FOLLOW non-network DTCs from other modules.
U2473 Unexpected Vehicle Speed (VSS) SJB SETS during self-test if ignition is not in ON or ignition status cannot be obtained. RETRIEVE and FOLLOW non-network DTCs from other modules.
U2510 CAN-Invalid Data for Vehicle Security IC REFER to PASSIVE ANTI-THEFT SYSTEM (PATS) PARAMETER RESET article.
U2511 CAN-Data Mis-Match (Receive Data Does Not Match Expected) IC REFER to PASSIVE ANTI-THEFT SYSTEM (PATS) PARAMETER RESET article.
U261C USB #1 Device Error APIM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
U261D USB #2 Device Error APIM REFER to INFORMATION AND ENTERTAINMENT SYSTEMS article.
SMART JUNCTION BOX (SJB) DIAGNOSTIC TROUBLE CODES (DTC) LIST

DTC Description Action
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 .
B2048 Left Rear Turn Lamp Circuit Short to Ground Go to Pinpoint Test B .
B2050 Right Rear Turn Lamp Circuit Short to Ground Go to Pinpoint Test B .
B2477 Module Configuration Failure REFER to MODULE CONFIGURATION article.
B2949 Global Opening/Closing Circuit Short to Battery Go to Pinpoint Test B .
B2A2B Left Corner Lamp Output Circuit Short to Ground Go to Pinpoint Test B .
B2A2C Right Corner Lamp Output Circuit Short to Ground Go to Pinpoint Test B .
B2A38 Floor Lamp Output Circuit Short to Ground Go to Pinpoint Test B .
U0155 Lost Communication With Instrument Panel Cluster (IC) Control Module
NOTE: Diagnose the SJB or instrument cluster (IC) DTC B1318 (if present) before diagnosing this DTC.
CARRY OUT the IC self-test using the scan tool.
U2050 No Application Present CONFIGURE the SJB. REFER to MODULE CONFIGURATION article. CLEAR the DTCs. REPEAT the self-test. If DTC U2050 is retrieved again, INSTALL a new SJB. REFER to Smart Junction Box (SJB) . TEST the system for normal operation.
All other DTCs - REFER to Diagnostic Trouble Code (DTC) Chart .
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