Possible Causes
WARNING: This page is about a different car, the 2011 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| RELATED DTCS PRESENT |
| LINE PRESSURE DTCS PRESENT |
| NO. 4 OR NO. 6 CHECK BALL CUT OR DAMAGED |
| WORN SOLENOID SWITCH VALVE BORE IN MAIN VALVE BODY |
| (T9) OD PRESSURE SIGNAL CIRCUIT OPEN |
| (T9) OD PRESSURE SIGNAL CIRCUIT SHORTED TO GROUND |
| (T9) OD PRESSURE SIGNAL CIRCUIT SHORTED TO OTHER CIRCUITS |
| LOW LINE PRESSURE |
| WIRING AND CONNECTORS |
| CUT OD/REV PISTON SEAL |
| BROKEN OR MISSING OD/REV PISTON BLEED ORIFICE |
| BROKEN REACTION SHAFT SUPPORT SEAL RING |
| POOR MACHINING ON PUMP VALVE BODY FACE |
| BROKEN OR MISSING DRIBBLER ORIFICE ASSEMBLY IN REACTION SHAFT SUPPORT |
| TRANSMISSION SOLENOID/TRS ASSEMBLY |
| CUT OD ACCUMULATOR PISTON SEAL |
| CRACKED OD ACCUMULATOR PISTON |
| BROKEN OR MISSING OD BLEED ORIFICE IN MAIN VALVE BODY |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to 68RFE PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
| GEAR | L/R | 2C | 4C | UD | OD |
|---|---|---|---|---|---|
| REVERSE | OPEN | OPEN | OPEN | OPEN | OPEN |
| P/N | CLOSED** | OPEN | OPEN | OPEN | OPEN |
| 1ST | CLOSED* | OPEN | OPEN | CLOSED | OPEN |
| 2ND | OPEN | CLOSED | OPEN | CLOSED | OPEN |
| 3RD | OPEN | OPEN | CLOSED | CLOSED | OPEN |
| 4TH | OPEN | OPEN | OPEN | CLOSED | CLOSED |
| 5TH | OPEN | OPEN | CLOSED | OPEN | CLOSED |
| 6TH | OPEN | CLOSED | OPEN | OPEN | CLOSED |
| *L/R is closed if output speed is below 100 RPM in Drive. L/R is closed in Manual (ERS) 1st gear. | |||||
| **May be open when rolling in Neutral or at low oil temperatures. | |||||