Possible Causes
| Possible Causes |
|---|
| CAN BUS CIRCUITS OPEN OR SHORTED |
| DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES |
| BODY CONTROL MODULE (BCM) NOT CONFIGURED CORRECTLY |
| ELECTRIC VEHICLE CONTROL UNIT (EVCU) POWER AND GROUND |
| ELECTRIC VEHICLE CONTROL UNIT (EVCU) |
| ELECTRONIC SHIFT MODULE (ESM) |
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 VEHICLE HIGH VOLTAGE POWER DOWN to perform the High Voltage Power Down procedure.
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .