Possible Causes
WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| DEF SUPPLY PUMP MOTOR A SUPPLY CIRCUIT SHORTED TO VOLTAGE |
| DEF SUPPLY PUMP MOTOR B SUPPLY CIRCUIT SHORTED TO VOLTAGE |
| DEF SUPPLY PUMP MOTOR C SUPPLY CIRCUIT SHORTED TO VOLTAGE |
| DEF SUPPLY PUMP ASSEMBLY |
| DEF DOSING CONTROL UNIT |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .