Body Closures DTCS
SMART JUNCTION BOX (SJB) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Perform Test |
|---|---|---|
| B1331 | Decklid Ajar Rear Door Circuit Failure | REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS article to diagnose the decklid ajar circuit. |
| B2666 | Liftgate Release Switch Circuit Failure | REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS article to diagnose the liftgate handle release switch. |
| B273A | Liftgate Release Output Circuit Shorted to Ground | Go to Pinpoint Test B . |
| B273B | Liftgate Release Output Circuit Open or Shorted to Battery Voltage | Go to Pinpoint Test B . |
| All other DTCs | - | REFER to the Master DTC Table in MULTIFUNCTION ELECTRONIC MODULES article. |
LIFTGATE/TRUNK MODULE (LTM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Perform Test |
|---|---|---|
| B106E | Solid State Driver Disabled due to Short Circuit | Go to Pinpoint Test A . |
| B106F | Module Disabled Due to External Fault | VERIFY there is no short to ground in circuit CPR57 (GN/WH) or CPR58 (GN/OG). REPAIR circuit(s) as necessary. INSTALL a new Liftgate/Trunk Module (LTM). REFER to Liftgate/Trunk Module (LTM) . TEST for normal operation. |
| B107D | Obstacle Detected while closing | VERIFY obstacle is not present. CLEAR the DTCs. REPEAT the self-test. If DTC B107D returns, go to Pinpoint Test D . |
| B1105 | Rear Open/Close Switch Active During Self Test | Go to Pinpoint Test B . |
| B1179 | Latch Motor Circuit Short to Battery | Go to Pinpoint Test A . |
| B117A | Latch Motor Circuit Short to Ground | Go to Pinpoint Test A . |
| B117B | Latch Motor Circuit Open | Go to Pinpoint Test A . |
| B117C | Latch Centering Switch Invalid | If any other power liftgate related DTCs are present, DIAGNOSE those first. If no other power liftgate DTCs are present, go to Pinpoint Test I . |
| B1317 | Battery Voltage High | Go to Pinpoint Test J . |
| B1318 | Battery Voltage Low | Go to Pinpoint Test J . |
| B1342 | ECU Is Faulted | INSTALL a new LTM. REFER to Liftgate/Trunk Module (LTM) . |
| B2019 | Liftgate Exceeded Time Allowed to Cinch Door | Go to Pinpoint Test C . |
| B201A | Power System Disabled Due to High Manual Closing Speed | Go to Pinpoint Test K . |
| B236A | Chime Output Circuit Open | Go to Pinpoint Test E . |
| B2418 | Sensor Power Short to Ground | Go to Pinpoint Test A . |
| B2419 | Sensor 1 Invalid | Go to Pinpoint Test A . |
| B2420 | Sensor 2 Invalid | Go to Pinpoint Test A . |
| B2552 | Vbatt 2 Circuit Open | Go to Pinpoint Test A . |
| B2699 | Left Pinch Strip Open or Short to Battery | Go to Pinpoint Test G . |
| B2700 | Right Pinch Strip Open or Short to Battery | Go to Pinpoint Test G . |
| B2701 | Left Pinch Strip Stuck Active | Go to Pinpoint Test G . |
| B2702 | Right Pinch Strip Stuck Active | Go to Pinpoint Test G . |
| B2703 | Open/Close Switch Stuck Active | Go to Pinpoint Test B . |
| B2718 | Liftgate/Decklid Ajar Output Short to Battery | REFER to INTERIOR LIGHTING article. |
| B2721 | Liftgate/Decklid Ajar Output Short to Ground or Open | REFER to INTERIOR LIGHTING article. |
| B2819 | Gate Motor Circuit Short to Battery | Go to Pinpoint Test A . |
| B2903 | Chime Output Circuit Short to Battery | Go to Pinpoint Test E . |
| B2908 | Latch Switch Invalid | For an inoperative power liftgate, go to Pinpoint Test A . For a power liftgate that stops in secondary latch position, go to Pinpoint Test C . |
| B2935 | Drive Unit Failure | Go to Pinpoint Test A . |
| B2936 | Gate Motor Open | Go to Pinpoint Test A . |
| B2937 | Gate Motor Short to Ground | Go to Pinpoint Test A . |
| B2939 | Gate Clutch Short to Ground or Open | Go to Pinpoint Test A . |
| B2940 | Chime Output Circuit Short to Ground | Go to Pinpoint Test E . |
| U0140 | Lost Communication With Body Control Module (GEM) | REFER to MODULE COMMUNICATIONS NETWORK article to diagnose the lost communication with the Generic Electronic Module (GEM). |
| U0155 | Lost Communication With Instrument Panel Cluster (IC) Control Module | REFER to MODULE COMMUNICATIONS NETWORK article to diagnose the lost communication with the Instrument Cluster (IC). |
| U2050 | No Application Present | INSTALL a new LTM. REFER to MULTIFUNCTION ELECTRONIC MODULES article. REPEAT the self-test. |
| U2051 | One or More Calibration Files Missing / Corrupt | INSTALL a new LTM. REFER to MULTIFUNCTION ELECTRONIC MODULES article. REPEAT the self-test. |
| U2471 | Unexpected PRNDL State | VERIFY the transmission gear selector (PRNDL) is in PARK. CLEAR the DTCs. REPEAT the self-test. If DTC U2471 is retrieved again, RETRIEVE and FOLLOW non-network DTCs from the Transmission Control Module (TCM) (if equipped) or PCM and Instrument Cluster (IC) module. REFER to INSTRUMENT CLUSTER (IC), MESSAGE CENTER, AND WARNING CHIMES article and AUTOMATIC TRANSAXLE/TRANSMISSION - 6F50 article. If no DTCs are present, INSTALL a new LTM. REFER to Liftgate/Trunk Module (LTM) . |
| U2472 | Unexpected Ignition State | VERIFY the ignition key is in the ON position. CLEAR the DTCs. REPEAT the self-test. If DTC U2472 is retrieved again, RETRIEVE and FOLLOW non-network DTCs from the GEM. REFER to STEERING COLUMN SWITCHES article. If no DTCs are present, INSTALL a new LTM. REFER to Liftgate/Trunk Module (LTM) . |
| U2473 | Unexpected Vehicle Speed (VSS) | CLEAR the DTCs. REPEAT the self-test. If DTC U2473 is retrieved again, RETRIEVE and FOLLOW non-network DTCs from the IC. REFER to INSTRUMENT CLUSTER (IC), MESSAGE CENTER, AND WARNING CHIMES article to diagnose the Vehicle Speed Sensor (VSS). If no related DTCs or symptoms are present, INSTALL a new LTM. REFER to Liftgate/Trunk Module (LTM) . |
| All other DTCs | - | REFER to the Master DTC Table in MULTIFUNCTION ELECTRONIC MODULES article. |