Possible Causes
| Possible Causes |
|---|
| FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN OR SHORTED TO GROUND |
| FUSED B+ CIRCUIT OPEN OR SHORTED TO GROUND |
| BRAKE SWITCH 1 SIGNAL CIRCUIT OPEN |
| BRAKE SWITCH 1 SIGNAL CIRCUIT SHORTED TO GROUND |
| BRAKE SWITCH 2 SIGNAL CIRCUIT OPEN |
| BRAKE SWITCH 2 SIGNAL CIRCUIT SHORTED TO GROUND |
| BRAKE SWITCH |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .