P0B05 Code - Auxiliary Transmission Fluid Pump Motor Phase V Current High
Quick Answer
The P0B05 diagnostic trouble code (DTC) refers to the Auxiliary Transmission Fluid Pump Motor Phase V Current High. Common causes include Faulty auxiliary transmission fluid pump motor, Wiring or connector issues, High resistance in the motor circuit. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0B05 indicates Auxiliary Transmission Fluid Pump Motor Phase V Current High.
- Common causes
- Common causes include Faulty auxiliary transmission fluid pump motor, Wiring or connector issues, High resistance in the motor circuit.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code P0B05 Description
The P0B05 diagnostic trouble code (DTC) refers to the Auxiliary Transmission Fluid Pump Motor Phase V Current High. This code indicates that the current flowing through the motor of the auxiliary transmission fluid pump is higher than the specified limit. The auxiliary transmission fluid pump is responsible for maintaining proper fluid pressure in the transmission system, ensuring smooth gear shifts and overall transmission performance.
Common Causes of P0B05
- Faulty auxiliary transmission fluid pump motor
- Wiring or connector issues
- High resistance in the motor circuit
- Overheating of the motor
- Software or programming issues
Symptoms of P0B05
- Harsh or delayed shifting
- Slipping gears
- Transmission overheating
- Illuminated transmission warning light
- Reduced fuel efficiency
How to Fix P0B05
- Begin by conducting a thorough inspection of the auxiliary transmission fluid pump motor and its wiring harness.
- Test the motor for proper operation and check for any signs of overheating or damage.
- Inspect the wiring and connectors for any corrosion, damage, or loose connections.
- Clear the DTC from the vehicle's computer system and reset the transmission control module.
- If necessary, replace the auxiliary transmission fluid pump motor and address any underlying issues that may have caused the high current condition.
Cost to Fix P0B05
The cost of repairing a P0B05 code can vary depending on the specific vehicle make and model, as well as the extent of the damage. In general, replacing the auxiliary transmission fluid pump motor and addressing any related issues can range from $300 to $800, including parts and labor. It is recommended to consult with a professional mechanic or dealership to get an accurate estimate based on your vehicle's requirements and local labor rates.
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