Possible Causes
| Possible Causes |
|---|
| BRAKE SIGNAL 1 CIRCUIT SHORTED TO VOLTAGE |
| BRAKE SIGNAL 1 CIRCUIT SHORTED TO GROUND |
| BRAKE SIGNAL 1 SIGNAL CIRCUIT OPEN |
| STOP LAMP SWITCH |
| BODY CONTROL MODULE (BCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .