P0B0A
Electric/Auxiliary Transmission Fluid Pump A Motor Supply Voltage Circuit Low
P0B0A is an OBD-II diagnostic trouble code meaning: Electric/Auxiliary Transmission Fluid Pump A Motor Supply Voltage Circuit Low. Common causes: damage to the pump wiring harness, blown fuse. Estimated repair cost: $56–167.
Symptoms
- Check Engine light comes on
- Gear shifting problems
- Transmission overheating
- Reduced transmission efficiency
- Pump noise
Causes
- Damage to the pump wiring harness
- Blown fuse
- Faulty pump relay
- Problems with the pump motor itself
- Poor contact in connectors
How to Fix
- Check pump circuit fuses
- Inspect the wiring harness for damage
- Check pump relay
- Diagnose the pump motor
- Check contacts in connectors
Related codes
Error P0B0A by Vehicle Brand
FAQ
What does the P0B0A code mean?
P0B0A is an OBD-II diagnostic trouble code that indicates: Electric/Auxiliary Transmission Fluid Pump A Motor Supply Voltage Circuit Low
What causes a P0B0A error code?
The most common causes of P0B0A include: Damage to the pump wiring harness; Blown fuse; Faulty pump relay; Problems with the pump motor itself.
How do I fix a P0B0A diagnostic trouble code?
To fix P0B0A: Check pump circuit fuses. Inspect the wiring harness for damage. Check pump relay. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0B0A?
Limited driving only, diagnose soon
How much does it cost to fix P0B0A?
The estimated repair cost for P0B0A is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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