Possible Causes
WARNING: This page is about a different car, the 2005 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| RELATED RELAY DTC'S PRESENT |
| LOW FLUID LEVEL |
| NO. 2 CHECK BALL CUT OR DAMAGED |
| LOW LINE PRESSURE |
| CRACKED OR MISINSTALLED SUMP FILTER OR SEAL |
| STICKING MAIN REGULATOR VALVE IN PUMP VALVE BODY |
| (T29) UD PRESSURE SWITCH SENSE CIRCUIT OPEN |
| (T29) UD PRESSURE SWITCH CIRCUIT SHORT TO GROUND |
| (T29) UD PRESSURE SWITCH SENSE CIRCUIT SHORT TO ANOTHER CIRCUITS |
| TRANSMISSION SOLENOID/TRS ASSEMBLY |
| POWERTRAIN CONTROL MODULE |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to PRE-DIAGNOSTIC CHECK OUT ).