Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer found something unusual with the way the electric motor is working. It's like if you were pedaling a bike and suddenly felt that the pedals were harder to push than usual.
This code is triggered when the control module for the drive motor detects an issue with the torque (twisting force) being delivered by the motor.
The P1A37 code indicates that the drive motor control module has detected an inconsistency or fault in the torque output of the drive motor 'A'. This could be due to a variety of factors, including electrical or mechanical issues within the motor or its control systems.
• Reduced vehicle performance
• Warning light on the dashboard
• Unusual noises from the motor
• Faulty drive motor
• Issues with the control module
• Electrical wiring problems
Torque: The twisting force that causes rotation.
Control Module: A computer that manages specific functions in a vehicle.
• Check for additional trouble codes.
• Inspect the wiring and connections to the drive motor.
• Test the drive motor control module.
• Repair or replace damaged wiring.
• Replace the drive motor if faulty.
• Reprogram or replace the control module if necessary.
• OBD-II scanner
• Multimeter
• Torque wrench
$500 - $2000
Moderate
• Chevrolet Volt
• Toyota Prius
• Nissan Leaf
• Regular maintenance checks
• Ensure proper electrical connections
• Monitor vehicle performance
Engine Performance
• Visit a qualified mechanic for diagnosis.
• Avoid driving the vehicle if performance is severely affected.
Check with your vehicle manufacturer as this may be covered under powertrain or emissions warranty.
This code has been associated with hybrid and electric vehicles, often related to the complexity of their drive systems.
Moderate – It is advisable to address this issue soon to avoid potential damage to the drive motor.
Driving with this code may affect vehicle performance and safety. It is recommended to have it checked promptly.
• Vehicle at operating temperature
• Under load conditions
The drive motor and its control module are typically located near the vehicle's transmission or engine bay.
Q: What does P1A37 mean?
A: It means there's an issue with the torque monitoring of the drive motor 'A'.
Q: Can I drive with a P1A37 code?
A: It's best to have it checked soon, as it may affect vehicle performance.
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