Possible Causes
WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| (K452) MDS SOLENOID 2 CONTROL SHORTED TO GROUND |
| (K452) MDS SOLENOID 2 CONTROL OPEN |
| GROUND CIRCUIT OPEN |
| INSUFFICIENT OIL PRESSURE ACTING ON THE LIFTER LOCKING PINS |
| OIL PASSAGES RESTRICTED |
| LIFTER |
| MDS SOLENOID |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .