Possible Causes
WARNING: This page is about a different car, the 2009 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| RELATED TIPM TCM POWER CONTROL CIRCUIT DTCS PRESENT |
| LOSS OF PRIME DIAGNOSTIC TROUBLE CODE (DTC) PRESENT |
| (T50) L/R PRESSURE SIGNAL CIRCUIT OPEN |
| (T50) L/R PRESSURE SIGNAL CIRCUIT SHORT TO GROUND |
| (T50) L/R PRESSURE SIGNAL CIRCUIT SHORT TO VOLTAGE |
| TRANSMISSION SOLENOID/PRESSURE SWITCH ASSEMBLY |
| POWERTRAIN CONTROL MODULE |
Always perform the 42RLE Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .
PRESSURE SWITCH STATES
| GEAR | L/R | 2/4 | OD |
|---|---|---|---|
| R | OPEN | OPEN | OPEN |
| P/N | CLOSED | OPEN | OPEN |
| 1st | CLOSED | OPEN | OPEN |
| 2nd | OPEN | CLOSED | OPEN |
| D | OPEN | OPEN | CLOSED |
| OD | OPEN | CLOSED | CLOSED |