P172A Subaru Code - Auxiliary Transmission Fluid Pump Reverse Rotation

The common symptoms include harsh shifting, transmission slipping, delayed engagement, and potential illumination of the Check Engine Light.

The code P172A may be triggered by issues such as a faulty auxiliary transmission fluid pump, electrical faults, damaged wiring, or low transmission fluid levels.

Diagnosis typically involves using an OBDII scanner to retrieve the code, inspecting the auxiliary transmission fluid pump for proper operation, checking for electrical faults, and ensuring the transmission fluid level is adequate.

Ignoring the code P172A can lead to further damage to the transmission system, potentially resulting in complete transmission failure and costly repairs.

While simple tasks like checking the transmission fluid level can be done at home, diagnosing and repairing the specific cause of the code P172A may require professional tools and expertise.

Temporary solutions like resetting the code using an OBDII scanner may clear the Check Engine Light, but it is crucial to address the underlying issue causing the code for a permanent fix.

The cost of repairs for the code P172A can vary depending on the specific cause, but it may range from a few hundred to over a thousand dollars, including parts and labor.

Continued driving with the code P172A can potentially exacerbate transmission problems, leading to more severe damage and increased repair costs over time.

It is not recommended to drive the vehicle with the code P172A, as it indicates a malfunction in the transmission system that can compromise driving safety and performance.

The repair time can vary based on the specific cause of the code P172A, but it may take a few hours to a full day for a professional technician to diagnose and fix the problem.