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 the car is seeing too much power in the part that controls the electric motor. It's like when you plug a device into an outlet and too much electricity is going through it.
The code indicates that the voltage in the power supply circuit for the drive motor control module is higher than expected.
The P1A35 code is set when the drive motor 'A' control module detects a voltage level that is higher than the specified range in its 15V power supply circuit. This could be due to a faulty voltage regulator, wiring issues, or a malfunction within the control module itself.
• Check Engine Light is on
• Reduced vehicle performance
• Possible issues with electric motor operation
• Faulty voltage regulator
• Wiring issues or short circuits
• Malfunctioning drive motor control module
Voltage Regulator: A device that maintains a constant voltage level.
Drive Motor Control Module: A component that controls the operation of the electric drive motor.
• Use a diagnostic scanner to confirm the code.
• Inspect the wiring and connectors related to the drive motor control module.
• Test the voltage regulator for proper operation.
• Repair or replace damaged wiring or connectors.
• Replace the faulty voltage regulator.
• Replace the drive motor control module if necessary.
• Diagnostic scanner
• Multimeter
• Basic hand tools
$200 - $800
Moderate
• Chevrolet Volt
• Nissan Leaf
• Toyota Prius
• Regular maintenance and inspection of electrical systems.
• Ensure proper voltage regulation in the vehicle.
• Avoid overloading the electrical system.
Electrical Issue
• Do not ignore the Check Engine Light.
• Have the vehicle inspected by a professional as soon as possible.
Repairs may be covered under the vehicle's powertrain or emissions warranty.
This code is commonly associated with hybrid and electric vehicles, where precise voltage regulation is critical.
Moderate – While the vehicle may still be drivable, ignoring the issue could lead to larger problems.
Driving with a known issue in the electrical system can be unsafe and may lead to more significant damage.
• Vehicle in 'On' position
• Drive motor control module active
The drive motor control module is typically located near the vehicle's electric motor or within the engine compartment.
Q: Can I drive with a P1A35 code?
A: It's not recommended to drive for long periods with this code, as it may lead to further damage.
Q: How can I prevent this code from appearing?
A: Regular maintenance and inspections of the vehicle's electrical systems can help prevent this code.
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