Possible Causes
| Possible Causes |
|---|
| 5-VOLT SUPPLY CIRCUIT OPEN OR SHORTED |
| EXCESSIVE EGR WINDING TEMPERATURE |
| EGR VALVE ASSEMBLY STICKING |
| EGR VALVE ASSEMBLY |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .