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 has detected a problem with the electricity flowing through a part of the car's generator. It's like when too much water is flowing through a hose and it might burst.
The vehicle's hybrid control system has detected an unusually high current in the U phase of the generator, which could indicate a fault in the generator or its circuitry.
The P0A71 code indicates that the hybrid vehicle's control module has detected an excessively high current in the generator's Phase U. This could be due to a short circuit, a fault in the generator, or an issue with the control circuitry. The generator is part of the hybrid system responsible for generating electrical power and assisting the engine.
• Check Engine Light is on
• Reduced fuel efficiency
• Hybrid system warning light
• Faulty generator
• Short circuit in the generator wiring
• Malfunctioning hybrid control module
Generator: A device in a hybrid vehicle that generates electrical power.
Hybrid Control Module: The computer that manages the hybrid system's operation.
• Use an OBD-II scanner to confirm the code.
• Inspect the generator and its wiring for damage or shorts.
• Test the hybrid control module for proper operation.
• Replace or repair the generator if faulty.
• Repair or replace damaged wiring.
• Replace the hybrid control module if necessary.
• OBD-II scanner
• Multimeter
• Insulation resistance tester
$500 - $1500
Difficult
• Toyota Prius
• Honda Insight
• Chevrolet Volt
• Regular maintenance of the hybrid system
• Inspect wiring for wear and tear
• Ensure proper cooling of the generator
Electrical Issue
• Avoid driving the vehicle until it's repaired.
• Consult with a certified hybrid vehicle technician.
Check with the vehicle manufacturer for hybrid system warranty coverage.
This code is relatively common in older hybrid vehicles with high mileage.
High – This issue can lead to hybrid system failure and should be addressed promptly.
Driving with this code may not comply with emissions regulations and could lead to further vehicle damage.
• Vehicle in READY mode
• Hybrid system active
The generator is typically located near the engine and is part of the hybrid system.
Q: Can I drive my car with a P0A71 code?
A: It's not recommended to drive with this code as it can lead to further damage.
Q: How can I prevent this code from appearing again?
A: Regular maintenance and inspections of the hybrid system can help prevent this issue.
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