Exterior Lighting DTCS
SMART JUNCTION BOX (SJB) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Perform Test |
|---|---|---|
| B1472 | Lamp Headlamp Input Circuit Short to Ground | Go to Pinpoint Test D . |
| B1510 | Flash To Pass Switch Circuit Short to Ground | Go to Pinpoint Test D . |
| B1696 | Autolamp On Circuit Short To Ground | Go to Pinpoint Test D . |
| B2008 | Wipers On Signal Circuit Short to Ground | Go to Pinpoint Test D . |
| B2A22 | Headlamp Off Circuit Open | ADDRESS any other DTCs first. Go to Pinpoint Test D . |
| B2A23 | High Beam Input Circuit Short to Ground | Go to Pinpoint Test D . |
| B2A2E | Right Front Lamp Low Beam Circuit Open | If the low beam is inoperative, go to Pinpoint Test B
. If the low beam is always on, go to Pinpoint Test D . |
| B2A2F | Right Front Lamp Low Beam Circuit Short to Ground | Go to Pinpoint Test B . |
| B2A30 | Left Front Lamp Low Beam Circuit Open | If the low beam is inoperative, go to Pinpoint Test B
. If the low beam is always on, go to Pinpoint Test D . |
| B2A31 | Left Front Lamp Low Beam Circuit Short to Ground | Go to Pinpoint Test B . |
| All other DTCs | - | REFER to MULTIFUNCTION ELECTRONIC MODULES article. |
SMART JUNCTION BOX (SJB) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Perform Test |
|---|---|---|
| B1485 | Brake Pedal Input Short to Battery | Go to Pinpoint Test J . |
| B2044 | Left Rear Stop Lamp Circuit Short to Ground | Go to Pinpoint Test I . |
| B2045 | Left Rear Stop Lamp Circuit Open | If the lamp is inoperative, go to Pinpoint Test I
. If the lamp is always on, go to Pinpoint Test J . |
| B2046 | Right Rear Stop Lamp Circuit Short to Ground | Go to Pinpoint Test I . |
| B2047 | Right Rear Stop Lamp Circuit Open | If the lamp is inoperative, go to Pinpoint Test I
. If the lamp is always on, go to Pinpoint Test J . |
| All other DTCs | - | REFER to MULTIFUNCTION ELECTRONIC MODULES article. |
SMART JUNCTION BOX (SJB) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Perform Test |
|---|---|---|
| B2048 | Left Rear Turn Lamp Circuit Short to Ground | Go to Pinpoint Test M . |
| B2049 | Left Rear Turn Lamp Circuit Open | Go to Pinpoint Test M . |
| B2050 | Right Rear Turn Lamp Circuit Short to Ground | Go to Pinpoint Test M . |
| B2051 | Right Rear Turn Lamp Circuit Open | Go to Pinpoint Test M . |
| B2071 | Hazard Switch Signal Short to Ground | Go to Pinpoint Test N . |
| B2281 | Right Turn Switch Short to Ground | Go to Pinpoint Test L . |
| B2282 | Left Turn Switch Short to Ground | Go to Pinpoint Test L . |
| B2A27 | Right Front Turn Lamp Circuit Open | Go to Pinpoint Test M . |
| B2A28 | Right Front Turn Lamp Circuit Short to Ground | Go to Pinpoint Test M . |
| B2A29 | Left Front Turn Lamp Circuit Open | Go to Pinpoint Test M . |
| B2A2A | Left Front Turn Lamp Circuit Short to Ground | Go to Pinpoint Test M . |
| All other DTCs | - | REFER to MULTIFUNCTION ELECTRONIC MODULES article. |
SMART JUNCTION BOX (SJB) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Perform Test |
|---|---|---|
| B1578 | Lamp Park Input Circuit Short to Ground | Go to Pinpoint Test P . |
| All other DTCs | - | REFER to MULTIFUNCTION ELECTRONIC MODULES article. |
SMART JUNCTION BOX (SJB) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Perform Test |
|---|---|---|
| B2254 | Front Fog Lamp Switch Failure | Go to Pinpoint Test S . |
| All other DTCs | - | REFER to MULTIFUNCTION ELECTRONIC MODULES article. |
PCM DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Perform Test |
|---|---|---|
| P1910 | Reverse Lamp Control Circuit/Open | If the reversing lamps are inoperative, go to Pinpoint Test U
. If the reversing lamps are always on, go to Pinpoint Test W . |
| All other DTCs | - | REFER to MULTIFUNCTION ELECTRONIC MODULES article. |