Possible Causes
WARNING: This page is about a different car, the 2015 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| DEF PUMP |
| DEF PURGE PUMP CONTROL CIRCUIT SHORT TO VOLTAGE |
| DEF PURGE PUMP CONTROL CIRCUIT SHORT TO GROUND |
| DEF PURGE PUMP CONTROL CIRCUIT OPEN/HIGH RESISTANCE |
| POWERTRAIN CONTROL MODULE |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .