Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means there's a problem with the sensor that checks how hot a part of the car's electric motor system is. It's saying the sensor is reading a temperature that's too low, which might mean the sensor is broken or there's an issue with the wiring.
The P0BD8 code is triggered when the Powertrain Control Module (PCM) detects a low voltage signal from the drive motor inverter temperature sensor D, indicating a potential issue with the sensor or its circuit.
The drive motor inverter temperature sensor monitors the temperature of the inverter, which is crucial for managing the electric motor's performance and preventing overheating. A 'circuit low' condition means the sensor is sending a voltage signal lower than expected, which could be due to a faulty sensor, wiring issues, or a problem with the PCM.
• Check Engine Light illuminated
• Reduced electric motor performance
• Potential overheating of the inverter
• Faulty drive motor inverter temperature sensor
• Wiring issues such as short circuits or poor connections
• Faulty PCM
PCM: Powertrain Control Module, the computer that controls engine and transmission functions.
Inverter: A device that converts DC to AC power, used in electric and hybrid vehicles to power the electric motor.
• Use an OBD-II scanner to confirm the P0BD8 code.
• Inspect the wiring and connectors for damage or corrosion.
• Test the drive motor inverter temperature sensor for proper operation.
• Replace the drive motor inverter temperature sensor if faulty.
• Repair or replace damaged wiring or connectors.
• Reprogram or replace the PCM if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $500
Moderate
• Toyota Prius
• Chevrolet Volt
• Nissan Leaf
• Regular maintenance checks
• Ensure proper cooling system operation
• Avoid overloading the vehicle's electrical system
Sensor Issue
• Have the vehicle inspected by a professional if the Check Engine Light is on.
• Avoid driving the vehicle aggressively until the issue is resolved.
Check with your vehicle manufacturer for warranty coverage on the drive motor inverter and related components.
This code is more common in electric and hybrid vehicles due to their reliance on inverter systems.
Moderate – While the vehicle may still be drivable, it is important to address this issue to prevent potential damage to the inverter system.
Driving with a malfunctioning inverter temperature sensor can lead to overheating and potential damage, which may not be covered by warranty if ignored.
• Vehicle must be in a safe, stationary position.
• Ensure the vehicle is powered on and the system is at operating temperature.
The drive motor inverter temperature sensor is typically located near the inverter assembly, which is part of the electric motor system.
Q: Can I drive with a P0BD8 code?
A: It's best to have the issue checked as soon as possible to avoid potential damage to the inverter system.
Q: How do I reset the Check Engine Light after fixing the issue?
A: Use an OBD-II scanner to clear the code, or disconnect the battery for a few minutes to reset the system.
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