P172A Subaru Code - Auxiliary Transmission Fluid Pump Reverse Rotation
Quick Answer
The Engine Control Module (ECM) monitors the Auxiliary Transmission Fluid Pump. Common causes include Faulty Auxiliary Transmission Fluid Pump, Auxiliary Transmission Fluid Pump harness is open or shorted, Auxiliary Transmission Fluid Pump circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P172A Subaru indicates Auxiliary Transmission Fluid Pump Reverse Rotation.
- Common causes
- Common causes include Faulty Auxiliary Transmission Fluid Pump, Auxiliary Transmission Fluid Pump harness is open or shorted, Auxiliary Transmission Fluid Pump circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P172A Subaru Description
What are the Possible Causes of the DTC P172A Subaru?
- Faulty Auxiliary Transmission Fluid Pump
- Auxiliary Transmission Fluid Pump harness is open or shorted
- Auxiliary Transmission Fluid Pump circuit poor electrical connection
How to Fix the DTC P172A Subaru?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P172A Subaru code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P172A Subaru Code
1. What are common symptoms of the OBDII code P172A in a Subaru related to the Auxiliary Transmission Fluid Pump Reverse Rotation issue?
The common symptoms include harsh shifting, transmission slipping, delayed engagement, and potential illumination of the Check Engine Light.
2. What can cause the OBDII code P172A in a Subaru related to the Auxiliary Transmission Fluid Pump Reverse Rotation problem?
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.
3. How can I diagnose the OBDII code P172A in a Subaru for the Auxiliary Transmission Fluid Pump Reverse Rotation issue?
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.
4. What are the potential dangers of ignoring the OBDII code P172A related to the Auxiliary Transmission Fluid Pump Reverse Rotation problem in a Subaru?
Ignoring the code P172A can lead to further damage to the transmission system, potentially resulting in complete transmission failure and costly repairs.
5. Can the OBDII code P172A in a Subaru related to the Auxiliary Transmission Fluid Pump Reverse Rotation issue be repaired at home?
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.
6. Are there any temporary solutions or quick fixes for the OBDII code P172A in a Subaru related to the Auxiliary Transmission Fluid Pump Reverse Rotation problem?
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.
7. How much does it typically cost to repair the OBDII code P172A in a Subaru for the Auxiliary Transmission Fluid Pump Reverse Rotation issue?
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.
8. Can driving with the OBDII code P172A related to the Auxiliary Transmission Fluid Pump Reverse Rotation issue cause further damage to the Subaru?
Continued driving with the code P172A can potentially exacerbate transmission problems, leading to more severe damage and increased repair costs over time.
9. Is it safe to continue driving a Subaru with the OBDII code P172A related to the Auxiliary Transmission Fluid Pump Reverse Rotation issue?
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.
10. How long does it typically take to repair the OBDII code P172A in a Subaru for the Auxiliary Transmission Fluid Pump Reverse Rotation issue?
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.
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