OBDII Code List

P172A SUBARU - Auxiliary Transmission Fluid Pump Reverse Rotation

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
Comments  |  Add Comment

P172A SUBARU Possible Causes

  • Faulty Auxiliary Transmission Fluid Pump
  • Auxiliary Transmission Fluid Pump harness is open or shorted
  • Auxiliary Transmission Fluid Pump circuit poor electrical connection

First diagnose P172A SUBARU code

    Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals.

P172A SUBARU Tech Notes

There is a factory service bulletin for the P172a code. The factory recommends replacing A leaking o-ring which seals the electric oil pump relief valve may allow CVT fluid to enter the pump’s electric motor.

Cost of diagnosing the P172A SUBARU code

    Labor: 1.0

    The cost of diagnosing the P172A SUBARU code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

P172A SUBARU Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P172a Subaru Description

The Engine Control Module (ECM) monitors the Auxiliary Transmission Fluid Pump. The ECM sets the OBDII code when the Auxiliary Transmission Fluid Pump is not to factory specifications.
OBDII Code P172a Subaru - Auxiliary Transmission Fluid Pump Reverse Rotation -

P172A SUBARU More Information

Need more information on how to fix the P172A SUBARU code?
Get Access to Factory Service Manuals

Need more help?

Get the P172a Subaru code diagnosed by a professional: Find a repair shop in your area

Related Information

P172A SUBARU Comments

Help us improve Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P172a Subaru code? Have you replaced any parts?
Any information is appreciated. Thanks
Top ⇧