Exterior Lighting: STOPLAMPS
SMART JUNCTION BOX (SJB) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Perform Test |
|---|---|---|
| B1342 | ECU is Faulted | CLEAR the DTCs. RETRIEVE the DTCs. If DTC B1342 is retrieved again, INSTALL a new SJB. REFER to MULTIFUNCTION ELECTRONIC MODULES . |
| B2048 | Left Rear Turn Lamp Circuit Short to Ground | For Explorer, GO to PINPOINT TEST I
. For Mountaineer, REFER to TURN SIGNAL AND HAZARD LAMPS to continue diagnosis of the turn lamp. |
| B2049 | Left Rear Turn Lamp Circuit Open | For Explorer, GO to PINPOINT TEST I
. For Mountaineer, REFER to TURN SIGNAL AND HAZARD LAMPS to continue diagnosis of the turn lamp. |
| B2050 | Right Rear Turn Lamp Circuit Short to Ground | For Explorer, GO to PINPOINT TEST I
. For Mountaineer, REFER to TURN SIGNAL AND HAZARD LAMPS to continue diagnosis of the turn lamp. |
| B2051 | Right Rear Turn Lamp Circuit Open | For Explorer, GO to PINPOINT TEST I
. For Mountaineer, REFER to TURN SIGNAL AND HAZARD LAMPS to continue diagnosis of the turn lamp. |
| C1446 | Brake On/Off (BOO) Switch/Circuit Failure | If the stoplamps are inoperative, GO to PINPOINT TEST H
. If the stoplamps are always on, GO to PINPOINT TEST J . |
| C1788 | Stoplamp Relay Output Circuit Short to Ground | If the stoplamps are inoperative, GO to PINPOINT TEST H
. If the stoplamps are always on, GO to PINPOINT TEST J . |
| C1789 | Stoplamp Relay Output Circuit Open | If the stoplamps are inoperative, GO to PINPOINT TEST H
. If the stoplamps are always on, GO to PINPOINT TEST J . |
| All other DTCs | - | REFER to MULTIFUNCTION ELECTRONIC MODULES . |