Check
| Causes
|
DEFINITION: Transmission main line pressure that is determined to be high or
low. Refer to
Line Pressure Check.
|
Fluid Pump Assembly
|
| • | Pressure regulator valve stuck |
| • | Pressure regulator valve spring |
| • | Line boost valve spring |
| • | Line boost valve or bushing stuck, damaged or incorrectly assembled |
| • | Pressure relief ball not seated or damaged |
| • | Pressure relief ball spring |
| • | Pump slide seal out of location |
| • | Fluid pump screen assembly plugged or damaged |
| • | Fluid pump rotor guide omitted or misassembled |
| • | Fluid pump rotor cracked or broken |
| • | Porosity in fluid pump |
| • | Fluid pump surfaces not flat |
| • | Excessive fluid pump rotor clearance |
|
Fluid Filter
|
| • | Intake pipe restricted · |
| • | Cracks in fluid filter |
| • | Fluid filter seal missing, cut or damaged |
|
Control Valve Body Accumulator Assembly
|
| • | Manual valve scored or damaged |
| • | Spacer plate or gaskets misassemble or damaged |
| • | Control valve top channel plate not flat |
| • | Control valve bottom channel plate not flat |
| • | Feed limit valve or spring stuck in the exhaust position |
|
Pressure Control Solenoid Assembly
|
| • | O-rings cut or damaged |
| • | Electrical connection |
|
System Voltage
|
| • | 12 Volts not supplied to transmission |
| • | Electrical short - pinched solenoid wire |
| • | Solenoid not grounded |
|
Clutch Accumulator
| Leaking
|
Inspect for active transmission DTCs
| Transmission DTC default action active
|
