Checks 
 | Causes 
 | 
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 |  
  
|     •  | 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 |  
  
 | 
Pressure Control Solenoid Assembly  
 | 
 | 
Inspect for active transmission DTCs 
 | Transmission DTC default action active 
 |