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 |
|---|
| LINE PRESSURE SENSOR |
| TRANSMISSION FLUID CONTAMINATION |
| RELATED DTC'S PRESENT |
| TRANSMISSION SOLENOID/TRS ASSEMBLY |
| EXCESSIVE DEBRIS IN OIL PAN |
| POOR LINE PRESSURE SENSOR CONNECTION |
| (T29) UD PRESSURE SWITCH SENSE CIRCUIT OPEN |
| TRANSMISSION CONTROL RELAY DTCS PRESENT |
| (T29) UD PRESSURE SWITCH SENSE CIRCUIT OPEN |
| (F856) 5-VOLT SUPPLY CIRCUIT OPEN |
| (T29) UD PRESSURE SWITCH SENSE CIRCUIT SHORT TO GROUND |
| (F856) 5-VOLT SUPPLY CIRCUIT SHORT TO GROUND |
| (T29) UD PRESSURE SWITCH SENSE CIRCUIT SHORT TO VOLTAGE |
| TRANSMISSION SOLENOID/TRS ASSEMBLY |
| INTERNAL TRANSMISSION |
| POWERTRAIN CONTROL MODULE |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to PRE-DIAGNOSTIC CHECK OUT ).