Possible Causes
WARNING: This page is about a different car, the 2014 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| (F343) ASD RELAY OUTPUT CIRCUIT OPEN OR SHORTED TO GROUND |
| (K670) EGR COOLER BYPASS VALVE ACTUATOR CONTROL CIRCUIT OPEN/HIGH RESISTANCE |
| EGR COOLER FOULED |
| EGR COOLER BYPASS VALVE ACTUATOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .