Possible Causes
WARNING: This page is about a different car, the 2006 Dodge Magnum, 2006 Dodge Charger, and 2006 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| (K454) MDS SOLENOID NO.7 CONTROL SHORT TO GROUND |
| (K454) MDS SOLENOID NO.7 CONTROL OPEN |
| (Z904) GROUND CIRCUIT OPEN |
| INSUFFICIENT OIL PRESSURE ACTING ON THE LIFTER LOCKING PINS |
| OIL PASSAGES RESTRICTED |
| LIFTER |
| MDS SOLENOID |
| PCM |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.