When Monitored And Set Conditions
| Possible Causes |
|---|
| DEALER INSTALLED EQUIPMENT |
| POWER SUPPLY (FUSED B+/IGNITION) RELATED CIRCUIT(S) SHORTED TO GROUND, OPEN, OR SHORTED |
| GROUND CIRCUIT(S) OPEN/HIGH RESISTANCE |
| CAN BUS CIRCUIT(+/-) OPEN/HIGH RESISTANCE |
| ELECTRONIC CONTROL UNIT (ECU) |
If the COMMUNICATION DIAGNOSTIC PROCEDURE has not been performed. Refer to: PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .