P0B0B
Electric/Auxiliary Transmission Fluid Pump A Motor Supply Voltage Circuit High
P0B0B is an OBD-II diagnostic trouble code meaning: Electric/Auxiliary Transmission Fluid Pump A Motor Supply Voltage Circuit High. Common causes: pump relay or fuse problems, pump motor malfunction. Estimated repair cost: $17–133.
Symptoms
- Check Engine Light Is On
- Gear shifting problems
- Unusual noises from the transmission area
- Reduced transmission efficiency
- Transmission fluid overheating
Causes
- Pump relay or fuse problems
- Pump motor malfunction
- Short circuit in power supply
- Damage to wiring or connectors
- Transmission control unit malfunction
How to Fix
- Check fuses and pump relays
- Diagnose the pump motor
- Check the integrity of the wiring and connectors
- Measure the voltage at the pump terminals
- Scan the transmission control module for other faults
Related codes
Error P0B0B by Vehicle Brand
FAQ
What does the P0B0B code mean?
P0B0B is an OBD-II diagnostic trouble code that indicates: Electric/Auxiliary Transmission Fluid Pump A Motor Supply Voltage Circuit High
What causes a P0B0B error code?
The most common causes of P0B0B include: Pump relay or fuse problems; Pump motor malfunction; Short circuit in power supply; Damage to wiring or connectors.
How do I fix a P0B0B diagnostic trouble code?
To fix P0B0B: Check fuses and pump relays. Diagnose the pump motor. Check the integrity of the wiring and connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0B0B?
Limited driving only, diagnose soon
How much does it cost to fix P0B0B?
The estimated repair cost for P0B0B is $17–133. Actual cost depends on your vehicle, location, and labor rates.
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