Possible Causes
WARNING: This page is about a different variant/trim than selected.
| Possible Causes |
|---|
| ACTIVE EXHAUST VALVE 1 ACTUATOR FUSED B+ SUPPLY OPEN OR SHORTED |
| ACTIVE EXHAUST VALVE 1 ACTUATOR GROUND OPEN/HIGH RESISTANCE |
| ACTIVE EXHAUST VALVE 1 ACTUATOR LIN BUS OPEN OR SHORTED |
| ACTIVE EXHAUST VALVE 1 ACTUATOR |
| POWERTRAIN CONTROL MODULE |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .