P27A6
Electric/Auxiliary Transmission Fluid Pump B Stuck On
P27A6 is an OBD-II diagnostic trouble code meaning: Electric/Auxiliary Transmission Fluid Pump B Stuck On. Common causes: mechanical pump jam, pump relay fault. Estimated repair cost: $50–133.
Symptoms
- Humming or buzzing noise from the transmission area
- Transmission fluid overheating
- Reduced transmission efficiency
- Increased fuel consumption
- Malfunction indicator light comes on
Causes
- Mechanical pump jam
- Pump relay fault
- Short circuit in control circuit
- Connector or wiring problems
- Transmission control module (TCM) failure
How to Fix
- Check the functionality of the pump and its electrical connections
- Check the condition of the transmission fluid pump relay
- Check control circuit for short circuits
- Assess the condition of the wiring and connectors
- If necessary, replace the transmission fluid pump
Related codes
Error P27A6 by Vehicle Brand
FAQ
What does the P27A6 code mean?
P27A6 is an OBD-II diagnostic trouble code that indicates: Electric/Auxiliary Transmission Fluid Pump B Stuck On
What causes a P27A6 error code?
The most common causes of P27A6 include: Mechanical pump jam; Pump relay fault; Short circuit in control circuit; Connector or wiring problems.
How do I fix a P27A6 diagnostic trouble code?
To fix P27A6: Check the functionality of the pump and its electrical connections. Check the condition of the transmission fluid pump relay. Check control circuit for short circuits. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P27A6?
Limited driving only, diagnose soon
How much does it cost to fix P27A6?
The estimated repair cost for P27A6 is $50–133. Actual cost depends on your vehicle, location, and labor rates.
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