Interior Lighting DTCS
SMART JUNCTION BOX (SJB) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Perform Test |
|---|---|---|
| B1320 | Driver Door Ajar Circuit Open | Go to Pinpoint Test B . |
| B1328 | Passenger Door Ajar Circuit Open | Go to Pinpoint Test B . |
| B1331 | Decklid Ajar Rear Door Circuit Failure | Go to Pinpoint Test K . |
| B1336 | Door Ajar RR Circuit Open | Go to Pinpoint Test B . |
| B1572 | Door Ajar LR Circuit Open | Go to Pinpoint Test B . |
| B1688 | Lamp Dome Input Circuit Short to Ground | Go to Pinpoint Test B . |
| B2077 | Liftgate Ajar Sw Circuit Failure | Go to Pinpoint Test B . |
| B2A35 | Interior Lighting Output Circuit Open | If the courtesy lamps are inoperative, go to Pinpoint Test A
. If the courtesy lamps stay on continuously, go to Pinpoint Test B . |
| B2A36 | Interior Lighting Output Circuit Short to Ground | Go to Pinpoint Test A . |
| B2A3A | Puddle Lamp Output Circuit Short to Ground | Go to Pinpoint Test G . |
| B2A39 | Puddle Lamp Output Circuit Open | If the puddle lamps are inoperative, go to Pinpoint Test G
. If the puddle lamps are always on, go to Pinpoint Test H . |
| All other DTCs | - | REFER to MULTIFUNCTION ELECTRONIC MODULES article. |
LIFTGATE/TRUNK MODULE (LTM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Perform Test |
|---|---|---|
| B2718 | Liftgate/Decklid Ajar Output Short to Battery | Go to Pinpoint Test B . |
| B2721 | Liftgate/Decklid Ajar Output Short to Ground or Open | If interior lamps are inoperative, go to Pinpoint Test E
. If interior lamps are always on, go to Pinpoint Test B . |
| All other DTCs | - | REFER to MULTIFUNCTION ELECTRONIC MODULES article. |