2544-Throttle Valve Actuator General Error: Notes
For complete wiring diagrams, refer to SYSTEM WIRING DIAGRAMS .
- When Monitored:
With the engine running and the EGR Airflow Control Valve Motor command off.
| Possible Causes |
|---|
| INTERMITTENT DTC |
| EGR AIRFLOW CONTROL VALVE MOTOR (+) CIRCUIT OPEN OR HIGH RESISTANCE |
| EGR AIRFLOW CONTROL VALVE MOTOR (-) CIRCUIT OPEN OR HIGH RESISTANCE |
| EGR AIRFLOW CONTROL VALVE |
| ENGINE CONTROL MODULE (ECM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Engine Control (ECM) - Standard Procedure