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 a sensor that checks the temperature of a part of the electric motor in your car is saying it's too hot.
The P1B67 code is triggered when the drive motor inverter temperature sensor 'C' reports a temperature that is higher than the expected range.
The drive motor inverter temperature sensor 'C' monitors the temperature of the inverter, which is a component that converts electrical energy for the drive motor. If the sensor detects an abnormally high temperature, it signals a potential issue with the inverter or the sensor itself.
• Check engine light on
• Reduced vehicle performance
• Possible overheating warning
• Faulty temperature sensor
• Wiring issues or poor connections
• Overheating of the drive motor inverter
Inverter: A device that converts direct current (DC) to alternating current (AC).
Sensor: A device that detects or measures a physical property and records, indicates, or otherwise responds to it.
• Use an OBD-II scanner to confirm the code.
• Inspect the temperature sensor and its wiring for damage.
• Check the inverter for signs of overheating.
• Replace the faulty temperature sensor.
• Repair or replace damaged wiring or connectors.
• Ensure the inverter is functioning properly and not overheating.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $500
Moderate
• Chevrolet Volt
• Nissan Leaf
• Toyota Prius
• Regular maintenance checks
• Ensure proper cooling system function
• Avoid overloading the vehicle
Sensor Issue
• Do not ignore the check engine light.
• Have the vehicle inspected by a professional if unsure.
Check with your vehicle manufacturer for specific warranty coverage related to the drive motor inverter and sensors.
This code has been associated with electric and hybrid vehicles due to their reliance on drive motor inverters.
Moderate – While the vehicle may still operate, ignoring this issue can lead to further damage.
Operating a vehicle with this code may lead to reduced performance and potential safety risks.
• Vehicle at operating temperature
• Inverter under normal load conditions
The drive motor inverter is typically located near the electric motor, often under the hood or in the engine compartment.
Q: Can I drive with a P1B67 code?
A: It's not recommended to drive for extended periods with this code, as it can lead to further damage.
Q: How can I prevent this code from appearing?
A: Regular maintenance and ensuring the cooling system is functioning properly can help prevent this code.
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