P0B02
Electric/Auxiliary Transmission Fluid Pump Motor Phase U Current High
P0B02 is an OBD-II diagnostic trouble code meaning: Electric/Auxiliary Transmission Fluid Pump Motor Phase U Current High. Common causes: pump motor malfunction, problems with wiring or connectors. Estimated repair cost: $56–167.
Symptoms
- Check Engine Light Illuminates
- Deterioration of gear shifting
- Unusual noises from the transmission area
- Reduced transmission efficiency
- Transmission transition to emergency mode
Causes
- Pump motor malfunction
- Problems with wiring or connectors
- Pump control module malfunction
- Mechanical problems of the pump (seizing, wear)
- Problems with power or grounding of the circuit
How to Fix
- Check the condition of the wiring and connectors of the pump
- Measure the resistance of the motor windings
- Check pump operation using diagnostic equipment
- Replace the faulty electric motor or pump assembly
- Check and, if necessary, replace the pump control module
Related codes
Error P0B02 by Vehicle Brand
FAQ
What does the P0B02 code mean?
P0B02 is an OBD-II diagnostic trouble code that indicates: Electric/Auxiliary Transmission Fluid Pump Motor Phase U Current High
What causes a P0B02 error code?
The most common causes of P0B02 include: Pump motor malfunction; Problems with wiring or connectors; Pump control module malfunction; Mechanical problems of the pump (seizing, wear).
How do I fix a P0B02 diagnostic trouble code?
To fix P0B02: Check the condition of the wiring and connectors of the pump. Measure the resistance of the motor windings. Check pump operation using diagnostic equipment. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0B02?
Limited driving only, diagnose soon
How much does it cost to fix P0B02?
The estimated repair cost for P0B02 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat