| ECM Torque Related DTC's are set. |
DTC's can cause the engine torque value used by the TCM to become invalid. When the engine torque is invalid, the TCM will command maximum line pressure to protect the transmission. |
| Oil Level |
High or Low; correct as required |
- Pressure Regulator Valve (328)
- Springs (326, 327)
- Boost Valve (325)
|
Stuck |
| Pressure Control Solenoid (312) |
- Leak, damaged O-rings
- Loose connector, damaged pins
- Contaminated
|
| Torque Signal Regulator Valve (309) |
Stuck |
| Transmission Wiring Harness (11) |
- Loose connector at the vehicle harness
- Short
|
| Pressure Switch Assembly |
- Loose connector
- Damaged or missing O-ring
|
| Throttle Position Sensor |
- Damaged, sticking, disconnected
- An intermittent open or a shorted circuit
|
| Oil Filter (85) |
Clogged, broken, or loose |
| Oil Filter Seal (84) |
Leaking |
| Cooler Lines |
Clogged or restricted |
| Cooler Line Seals (49) |
Leaking |
| Oil Pump (10) |
Damaged, sticking, porous, or leaking |
| Oil Pump Drive Shaft (19) |
Damaged |
| Pressure Relief Valve (214) |
Damaged spring or missing ball |
- Transmission Case (1)
- Valve Body (18)
- Channel Plate (27)
|
- Porosity, leaking circuits
- Flatness of machined surfaces
|