P27A3
Electric/Auxiliary Transmission Fluid Pump B Performance/Stuck Off
P27A3 is an OBD-II diagnostic trouble code meaning: Electric/Auxiliary Transmission Fluid Pump B Performance/Stuck Off. Common causes: electrical transmission fluid pump b malfunction, problems with wiring or connectors. Estimated repair cost: $56–167.
Symptoms
- Gear shifting problems
- Check engine light comes on
- Reduced transmission performance
- Unusual noises from the transmission
Causes
- Electrical transmission fluid pump B malfunction
- Problems with wiring or connectors
- Faulty relay or fuse
- Low transmission fluid level
- Mechanical damage to the pump
How to Fix
- Check transmission fluid level
- Inspect the electrical wiring and connectors of the pump
- Check relays and fuses
- Test the pump operation
- Replace the pump if necessary
Related codes
Error P27A3 by Vehicle Brand
FAQ
What does the P27A3 code mean?
P27A3 is an OBD-II diagnostic trouble code that indicates: Electric/Auxiliary Transmission Fluid Pump B Performance/Stuck Off
What causes a P27A3 error code?
The most common causes of P27A3 include: Electrical transmission fluid pump B malfunction; Problems with wiring or connectors; Faulty relay or fuse; Low transmission fluid level.
How do I fix a P27A3 diagnostic trouble code?
To fix P27A3: Check transmission fluid level. Inspect the electrical wiring and connectors of the pump. Check relays and fuses. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P27A3?
Limited driving only, diagnose soon
How much does it cost to fix P27A3?
The estimated repair cost for P27A3 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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