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 computer in your car has detected a problem with the power supply to the motor control module. It's like when a toy doesn't work because the batteries are too strong.
The P1AE1 code indicates that the voltage in the power supply circuit for the drive motor control module is higher than expected.
The Drive Motor 'A' Control Module is responsible for controlling the electric drive motor in hybrid or electric vehicles. This code is triggered when the voltage supplied to this module exceeds the normal operating range, which can lead to improper motor operation or damage to the module.
• Check Engine Light is on
• Reduced vehicle performance
• Unusual noises from the motor
• Faulty voltage regulator
• Wiring issues in the power supply circuit
• Defective drive motor control module
Voltage Regulator: A device that maintains a constant voltage level.
Drive Motor: An electric motor that provides propulsion for a vehicle.
• Check the vehicle's battery voltage and charging system.
• Inspect wiring and connectors for damage or corrosion.
• Test the drive motor control module for faults.
• Replace the voltage regulator if faulty.
• Repair or replace damaged wiring or connectors.
• Replace the drive motor control module if necessary.
• Multimeter
• OBD-II scanner
• Basic hand tools
$200 - $800
Moderate
• Chevrolet Volt
• Nissan Leaf
• Toyota Prius
• Regularly check and maintain the vehicle's electrical system.
• Ensure all connectors are secure and free of corrosion.
• Have the vehicle inspected by a professional if unusual symptoms occur.
Electrical Circuit Issue
• Do not ignore the Check Engine Light.
• Seek professional diagnosis if unsure about repairs.
Check with your vehicle manufacturer for warranty coverage on the drive motor control module.
This code is more common in hybrid and electric vehicles due to their complex electrical systems.
Moderate – Addressing this issue promptly can prevent further damage to the vehicle's electrical system.
Ignoring this code can lead to reduced vehicle performance and potential safety risks.
• Vehicle must be in a safe, stationary position.
• Ensure the battery is fully charged before testing.
The drive motor control module is usually located near the electric motor or in the engine compartment.
Q: Can I drive with a P1AE1 code?
A: It's not recommended to drive for long distances with this code active, as it can lead to further damage.
Q: How can I reset the P1AE1 code?
A: You can reset the code using an OBD-II scanner, but it's important to fix the underlying issue first.
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