P0B05
Electric/Auxiliary Transmission Fluid Pump Motor Phase V Current High
P0B05 is an OBD-II diagnostic trouble code meaning: Electric/Auxiliary Transmission Fluid Pump Motor Phase V Current High. Common causes: pump motor malfunction, problems with wiring or connectors. Estimated repair cost: $56–167.
Symptoms
- Check Engine Light Is On
- Gear shifting problems
- Unusual noises from the transmission area
- Reduced transmission efficiency
- Possible overheating of transmission fluid
Causes
- Pump motor malfunction
- Problems with wiring or connectors
- Transmission control module (TCM) malfunction
- Mechanical obstacles in pump operation
- Short circuit in the motor circuit
How to Fix
- Check the condition of the pump motor
- Check the integrity of wiring and connectors
- Diagnose the transmission control module
- Test the motor power supply circuit
- If necessary, replace the pump motor
Related codes
Error P0B05 by Vehicle Brand
FAQ
What does the P0B05 code mean?
P0B05 is an OBD-II diagnostic trouble code that indicates: Electric/Auxiliary Transmission Fluid Pump Motor Phase V Current High
What causes a P0B05 error code?
The most common causes of P0B05 include: Pump motor malfunction; Problems with wiring or connectors; Transmission control module (TCM) malfunction; Mechanical obstacles in pump operation.
How do I fix a P0B05 diagnostic trouble code?
To fix P0B05: Check the condition of the pump motor. Check the integrity of wiring and connectors. Diagnose the transmission control module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0B05?
Yes, but get it checked soon
How much does it cost to fix P0B05?
The estimated repair cost for P0B05 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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