Engine-CodesGeneric – P0A68

P0A68 Code - Drive Motor 'B' Phase U Current High

Quick Answer

The diagnostic trouble code P0A68 indicates that there is a high current detected in Drive Motor 'B' Phase U in a hybrid or electric vehicle. Common causes include Faulty drive motor, Malfunctioning motor control unit, Loose or corroded electrical connections. 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
P0A68 indicates Drive Motor 'B' Phase U Current High.
Common causes
Common causes include Faulty drive motor, Malfunctioning motor control unit, Loose or corroded electrical connections.
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.
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code P0A68 Description

The diagnostic trouble code P0A68 indicates that there is a high current detected in Drive Motor 'B' Phase U in a hybrid or electric vehicle. The drive motor is a crucial component of the vehicle's propulsion system, responsible for converting electrical energy into mechanical energy to drive the vehicle. Phase U refers to one of the three phases in the motor that control its operation.

OBDII Code P0A68 - Drive Motor 'B' Phase U Current High
P0A68 Code - Drive Motor 'B' Phase U Current High

Common Causes of P0A68

  1. Faulty drive motor
  2. Malfunctioning motor control unit
  3. Loose or corroded electrical connections
  4. Overheating of the drive motor
  5. Electrical short circuits in the motor system

Symptoms of P0A68

  1. Reduced acceleration or power output
  2. Unusual noises coming from the drive motor
  3. Decreased fuel efficiency in a hybrid vehicle
  4. Illumination of the check engine light
  5. Vehicle going into limp mode

How to Fix P0A68

  1. Diagnose the specific cause of the high current in Phase U of Drive Motor 'B' using a diagnostic scanner.
  2. Inspect the drive motor and motor control unit for any visible signs of damage or malfunction.
  3. Check the electrical connections for tightness and corrosion, repairing or replacing any damaged wires.
  4. Test the drive motor's performance under load to ensure that the issue has been resolved.
  5. Clear the diagnostic trouble code and test drive the vehicle to confirm that the problem has been fixed.

Cost to Fix P0A68

The cost of repairing a high current issue in Drive Motor 'B' Phase U can vary depending on the specific cause of the problem. In general, the repair costs can range from $200 to $1000, including parts and labor. However, it's important to note that the actual cost may be higher or lower based on factors such as the vehicle make and model, the extent of the damage, and the labor rates at the repair shop. It's recommended to consult with a professional mechanic to get an accurate estimate for your specific situation. Labor rates at auto repair shops typically range from $80 to $150 per hour, but can vary based on location and other factors.

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Code P0A68 Information for Specific Makes

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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