Possible Causes
| Possible Causes |
|---|
| CAN BUS (+) CIRCUIT SHORTED TO VOLTAGE |
| CAN BUS (-) CIRCUIT SHORTED TO GROUND |
| DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES |
| BODY CONTROL MODULE (BCM) NOT CONFIGURED CORRECTLY |
| HVAC POWER AND GROUND |
| HVAC CONTROL MODULE |
| MODULE THAT SET THE DTC |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to NAG1 PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .