Possible Causes
WARNING: This page is about a different variant/trim than selected.
| Possible Causes |
|---|
| BRAKE SIGNAL 1 CIRCUIT SHORTED TO GROUND |
| BRAKE SIGNAL 1 CIRCUIT OPEN |
| FUSED B(+) CIRCUIT OPEN |
| STOP LAMP SWITCH |
| ELECTRIC VEHICLE CONTROL UNIT (EVCU) |
WARNING:
On vehicles equipped with the high voltage system, you must thoroughly read and follow all High Voltage Safety procedures. In addition, before performing any diagnostic or service procedure near a high voltage component, you must perform the High Voltage Power Down. Failure to follow these instructions may result in possible serious or fatal injury.
Refer to HIGH-VOLTAGE POWER DOWN PROCEDURE to perform the High Voltage Power Down procedure.
Always perform the Pre-Diagnostic Troubleshooting Procedure before proceeding. Refer to EVCU PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .