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 is telling one of the motors to not work as hard as it usually does. It's like when you tell your friend to slow down when they're running too fast.
The P1E01 code indicates that the vehicle's control module has detected an issue that requires reducing the torque output of Drive Motor 'B' to prevent damage.
The P1E01 code is set when the hybrid or electric vehicle's control system detects a condition that necessitates reducing the torque output of Drive Motor 'B'. This could be due to overheating, a fault in the motor control system, or other protective measures to prevent damage to the motor or associated components.
• Reduced vehicle performance
• Warning light on the dashboard
• Unusual noises from the motor
• Overheating of Drive Motor 'B'
• Faulty motor control module
• Electrical issue in the motor circuit
Torque: A measure of the rotational force applied by the motor.
Drive Motor: An electric motor that provides propulsion for the vehicle.
• Check for any other diagnostic trouble codes
• Inspect the motor and its connections for signs of damage or overheating
• Test the motor control module for proper operation
• Repair or replace damaged motor components
• Replace faulty motor control module
• Ensure proper cooling of the motor
• OBD-II scanner
• Multimeter
• Thermal camera
$200 - $1500
Moderate
• Chevrolet Volt
• Nissan Leaf
• Toyota Prius
• Regularly check and maintain cooling systems
• Perform routine inspections of electric motors
• Ensure software updates are applied
Engine Performance
• Avoid driving aggressively until the issue is resolved
• Have the vehicle inspected by a professional
• Monitor for any changes in vehicle performance
Check with the vehicle manufacturer for warranty coverage on hybrid or electric drive components.
This code has become more common with the increase in hybrid and electric vehicles, as they rely heavily on electric drive motors.
Moderate – It is advisable to address this issue soon to avoid potential damage to the motor.
Driving with reduced motor torque may affect vehicle performance and handling. Ensure repairs are conducted by qualified personnel.
• Vehicle at operating temperature
• Driving under normal conditions
Drive Motor 'B' is typically located near the vehicle's transmission or axle, depending on the vehicle's design.
Q: Can I drive with a P1E01 code?
A: It's possible to drive, but it's not recommended as it may lead to further damage or reduced performance.
Q: How do I reset the P1E01 code?
A: You can reset the code with an OBD-II scanner, but it's important to fix the underlying issue first.
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