Symptoms:

  • Low pressure
  • Damaged pump gears
  • Pressure regulation codes
  • TCC slip
  • TCC codes & concerns

Cause:

Low pump pressure is typically caused by wear in the pressure regulator valve or damaged pump gears. Wear in the TCC regulator valve or the TCC switch valve can also cause TCC slip or related codes.

Correction:

Restore pump function by replacing the assembly with Sonnax remanufactured pump.
  • 45RFE, 545RFE Remanufactured Pump  CHR150-PS
  • 45RFE, 545RFE Remanufactured Pump  CHR150-PS details