P27A5
Electric/Auxiliary Transmission Fluid Pump B Control Circuit High
P27A5 is an OBD-II diagnostic trouble code meaning: Electric/Auxiliary Transmission Fluid Pump B Control Circuit High. Common causes: short circuit in pump control circuit, broken or damaged wiring. Estimated repair cost: $6–167.
Symptoms
- Check Engine Light Is On
- Possible problems with gear shifting
- Reduced transmission efficiency
- Transmission fluid overheating
- Noise or humming from the transmission area
Causes
- Short circuit in pump control circuit
- Broken or damaged wiring
- Pump solenoid valve malfunction
- Problems with the transmission control unit
How to Fix
- Check control circuit for short circuit
- Inspect wiring and plug connections
- Test the operation of the transmission fluid pump
- Check transmission control unit
- Replace the faulty pump if necessary
Related codes
Error P27A5 by Vehicle Brand
FAQ
What does the P27A5 code mean?
P27A5 is an OBD-II diagnostic trouble code that indicates: Electric/Auxiliary Transmission Fluid Pump B Control Circuit High
What causes a P27A5 error code?
The most common causes of P27A5 include: Short circuit in pump control circuit; Broken or damaged wiring; Pump solenoid valve malfunction; Problems with the transmission control unit.
How do I fix a P27A5 diagnostic trouble code?
To fix P27A5: Check control circuit for short circuit. Inspect wiring and plug connections. Test the operation of the transmission fluid pump. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P27A5?
Limited driving only, diagnose soon
How much does it cost to fix P27A5?
The estimated repair cost for P27A5 is $6–167. Actual cost depends on your vehicle, location, and labor rates.
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