Possible Causes
WARNING: This page is about a different car, the 2016 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| OTHER DEF PUMP DTCS |
| SCR RELAY #1 |
| DEF PUMP FLUID LINE LEAK(S) |
| DEF PUMP SUPPLY VOLTAGE CIRCUIT OPEN/HIGH RESISTANCE |
| DEF PUMP |
Always perform the Pre-Diagnostic Troubleshooting Procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .