Possible Causes
| Possible Causes |
|---|
| ACTIVE EXHAUST VALVE ACTUATOR FUSED B+ SUPPLY OPEN OR SHORTED |
| ACTIVE EXHAUST VALVE ACTUATOR GROUND OPEN/HIGH RESISTANCE |
| ACTIVE EXHAUST VALVE ACTUATOR LIN BUS OPEN OR SHORTED |
| ACTIVE EXHAUST VALVE ACTUATOR |
| POWERTRAIN CONTROL MODULE |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .