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 in the car that checks the temperature of a part called the drive motor inverter is saying the temperature is too low.
The vehicle's control system has detected that the temperature reading from the drive motor inverter temperature sensor 'B' is lower than expected.
The P1B63 code is triggered when the Powertrain Control Module (PCM) or other control module detects that the temperature sensor 'B' for the drive motor inverter is reporting a temperature reading that is lower than the normal operating range. This could indicate a faulty sensor, wiring issue, or an actual low temperature condition.
• Check Engine Light illuminated
• Reduced vehicle performance
• Potential overheating of the drive motor inverter
• Faulty drive motor inverter temperature sensor
• Wiring issues or poor connection in the sensor circuit
• Actual low temperature condition due to cooling system issues
Drive Motor Inverter: A component in electric and hybrid vehicles that converts DC electricity to AC to power the electric motor.
Temperature Sensor: A device that measures the temperature of a specific component or area in the vehicle.
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connections to the temperature sensor.
• Test the temperature sensor for proper operation.
• Replace the faulty temperature sensor.
• Repair or replace damaged wiring or connectors.
• Check the cooling system for proper operation.
• OBD-II scanner
• Multimeter
• Basic hand tools
$100 - $300
Moderate
• Chevrolet Volt
• Nissan Leaf
• Toyota Prius
• Regularly inspect and maintain the cooling system.
• Ensure all electrical connections are secure.
• Perform regular diagnostic checks.
Sensor Issue
• Do not ignore the Check Engine Light.
• Have the vehicle inspected by a professional if unsure.
Check with the vehicle manufacturer for specific warranty coverage on the drive motor inverter and related components.
This code has been associated with hybrid and electric vehicles, where the drive motor inverter plays a crucial role in vehicle operation.
Moderate – Addressing this issue can prevent further damage to the drive motor inverter.
Driving with a malfunctioning drive motor inverter can lead to reduced vehicle performance and potential safety risks.
• Vehicle must be running.
• Temperature sensor readings should be monitored during operation.
The drive motor inverter temperature sensor is typically located near the drive motor inverter, often in the engine compartment.
Q: What happens if I ignore this code?
A: Ignoring this code can lead to reduced vehicle performance and potential damage to the drive motor inverter.
Q: Can I drive my car with this code?
A: It's possible to drive short distances, but it's recommended to address the issue to prevent further damage.
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