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 thinks there's a problem with how much power the generator is giving to the car. It's like when you try to pedal a bike but the chain slips.
The P0E71 code indicates that the vehicle's powertrain control module (PCM) has detected a discrepancy between the expected and actual torque delivered by the generator.
The generator, often part of the hybrid or electric vehicle system, is responsible for converting mechanical energy into electrical energy. This code is triggered when the torque output of the generator does not match the values expected by the PCM, which could be due to mechanical issues, electrical faults, or sensor problems.
• Check Engine Light is on
• Reduced fuel efficiency
• Loss of power during acceleration
• Faulty generator
• Wiring issues in the generator circuit
• Faulty torque sensor
Generator: A device that converts mechanical energy into electrical energy.
Torque: A measure of the rotational force applied by an engine or motor.
• Use an OBD-II scanner to confirm the code.
• Inspect the generator and its wiring for visible damage.
• Test the torque sensor and related components.
• Replace or repair the generator if faulty.
• Repair any damaged wiring or connectors.
• Replace the torque sensor if found defective.
• OBD-II scanner
• Multimeter
• Torque wrench
$200 - $1000
Moderate
• Toyota Prius
• Chevrolet Volt
• Nissan Leaf
• Regular maintenance of the generator system
• Routine checks of electrical connections
• Timely replacement of worn-out components
Engine Performance
• Avoid driving aggressively until the issue is resolved.
• Schedule a service appointment with a qualified technician.
Check with your vehicle manufacturer for specific warranty coverage on hybrid components.
This code has been more prevalent with the increase in hybrid and electric vehicle usage, highlighting the importance of generator performance.
Moderate – It should be addressed soon to prevent further issues.
Operating a vehicle with this code may lead to reduced performance and efficiency. It is advised to have it inspected by a professional.
• Vehicle at operating temperature
• Under load conditions
The generator is typically located near the engine or within the hybrid drive system.
Q: Can I drive my car with a P0E71 code?
A: It's possible, but not recommended as it may lead to reduced performance and efficiency.
Q: What happens if I ignore the P0E71 code?
A: Ignoring the code can lead to further damage to the generator or related components, potentially increasing repair costs.
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