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 the sensor that checks the temperature of the electric motor's power system is reading a temperature that's too low to be real.
The vehicle's control module has detected an issue with the temperature reading from the drive motor inverter temperature sensor, indicating an implausibly low temperature.
The P1B62 code is triggered when the drive motor inverter temperature sensor 'A' provides a temperature reading that is considered too low to be plausible. This sensor is responsible for monitoring the temperature of the inverter, which is a critical component in electric and hybrid vehicles. An implausible reading can be due to a sensor fault, wiring issues, or a problem with the control module.
• Check Engine Light is on
• Reduced vehicle performance
• Possible overheating of the inverter
• Faulty drive motor inverter temperature sensor
• Wiring issues or poor electrical connections
• Faulty control module
Inverter: A device that converts DC electricity to AC electricity, used in electric and hybrid vehicles.
Temperature Sensor: A device that measures temperature and sends the data to the vehicle's computer.
• 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 drive motor inverter temperature sensor if faulty.
• Repair or replace damaged wiring or connectors.
• Reprogram or replace the control module if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $500
Moderate
• Chevrolet Volt
• Nissan Leaf
• Toyota Prius
• Regular maintenance and inspection of electrical systems
• Ensure proper cooling system operation
• Avoid overloading the vehicle's electrical system
Sensor Issue
• Do not ignore the Check Engine Light.
• Have the vehicle inspected by a qualified technician.
• Avoid driving the vehicle under heavy load until the issue is resolved.
Check with the vehicle manufacturer for warranty coverage related to the drive motor inverter and associated components.
This code is more prevalent in electric and hybrid vehicles due to their reliance on inverter systems.
Moderate – Should be addressed soon to prevent potential damage to the inverter.
Driving with this code may lead to reduced vehicle performance and potential damage to the inverter, which can be costly to repair.
• Vehicle at operating temperature
• Engine running and vehicle stationary
The drive motor inverter temperature sensor is typically located near the inverter assembly, which is often found in the engine compartment or under the vehicle floor in electric and hybrid vehicles.
Q: Can I drive my car with a P1B62 code?
A: It's not recommended to drive for extended periods with this code, as it can lead to inverter damage.
Q: How can I reset the P1B62 code?
A: You can reset the code with an OBD-II scanner, but it's important to fix the underlying issue first.
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