P27A1
Electric/Auxiliary Transmission Fluid Pump A Stuck On
P27A1 is an OBD-II diagnostic trouble code meaning: Electric/Auxiliary Transmission Fluid Pump A Stuck On. Common causes: mechanical jamming of the pump, pump motor malfunction. Estimated repair cost: $56–167.
Symptoms
- Check Engine Light Is On
- Gear shifting problems
- Unusual noises from the transmission area
- Reduced transmission efficiency
- Transmission fluid overheating
Causes
- Mechanical jamming of the pump
- Pump motor malfunction
- Problems with wiring or connectors
- Faulty relay or fuse
- Problems with the transmission control unit
How to Fix
- Check the condition of fuses and relays
- Diagnose the electrical circuit of the pump
- Check pump functionality
- Replace the pump if necessary
- Check the operation of the system after repair
Related codes
Error P27A1 by Vehicle Brand
FAQ
What does the P27A1 code mean?
P27A1 is an OBD-II diagnostic trouble code that indicates: Electric/Auxiliary Transmission Fluid Pump A Stuck On
What causes a P27A1 error code?
The most common causes of P27A1 include: Mechanical jamming of the pump; Pump motor malfunction; Problems with wiring or connectors; Faulty relay or fuse.
How do I fix a P27A1 diagnostic trouble code?
To fix P27A1: Check the condition of fuses and relays. Diagnose the electrical circuit of the pump. Check pump functionality. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P27A1?
Limited driving only, diagnose soon
How much does it cost to fix P27A1?
The estimated repair cost for P27A1 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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