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 |  
  
|     •  | Fluid pump surfaces not flat |  
  
|     •  | Excessive fluid pump rotor clearance |  
  
 | 
Fluid Filter 
 | 
|     •  | Intake pipe restricted ยท  |  
  
|     •  | 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  
 | 
 | 
System Voltage 
 | 
|     •  | 12 Volts not supplied to transmission |  
  
|     •  | Electrical short - pinched solenoid wire |  
  
 | 
Clutch Accumulator 
 | Leaking 
 | 
Inspect for active transmission DTCs 
 | Transmission DTC default action active 
 |