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 there's something wrong with the sensor that checks how hot or cold the coolant is for one of the car's motors. It's like a thermometer for the motor, and the computer is saying it doesn't believe what the thermometer is telling it.
The P0CBD code is triggered when the vehicle's powertrain control module (PCM) detects a problem with the range or performance of the coolant temperature sensor for Drive Motor A.
The Drive Motor A Coolant Temperature Sensor monitors the temperature of the coolant used to cool the drive motor. This sensor sends data to the vehicle's PCM to ensure the motor operates within optimal temperature ranges. If the sensor's readings are outside the expected range, or if the sensor is not performing as expected, the PCM will log the P0CBD code.
• Check Engine Light is on
• Reduced fuel efficiency
• Possible overheating of the drive motor
• Faulty coolant temperature sensor
• Wiring issues or poor connections in the sensor circuit
• Malfunctioning PCM
PCM: Powertrain Control Module
OBD-II: On-Board Diagnostics, Second Generation
• Use an OBD-II scanner to confirm the code.
• Inspect the coolant temperature sensor and its wiring for damage.
• Test the sensor's resistance and compare it to the manufacturer's specifications.
• Replace the faulty coolant temperature sensor.
• Repair or replace damaged wiring or connectors.
• Reprogram or replace the PCM if necessary.
• OBD-II scanner
• Multimeter
• Wrench set
$100 - $300
Moderate
• Chevrolet Volt
• Nissan Leaf
• Toyota Prius
• Regularly check and maintain coolant levels.
• Inspect wiring and connectors for wear or damage.
• Schedule regular vehicle maintenance.
Sensor Issue
• Do not ignore the Check Engine Light.
• Have the vehicle inspected by a professional if unsure.
• Avoid driving the vehicle aggressively until the issue is resolved.
Check with your vehicle manufacturer or dealer for warranty coverage on sensor-related issues.
This code has become more common with the increased use of electric and hybrid vehicles, where drive motor cooling is critical.
Moderate – While the vehicle may still be drivable, ignoring this issue can lead to motor overheating and further damage.
Driving with a known issue can lead to further vehicle damage and may not be covered under warranty if neglected.
• Engine at operating temperature
• Vehicle stationary
The Drive Motor A Coolant Temperature Sensor is typically located near the drive motor or within the coolant passage.
Q: Can I drive with the P0CBD code?
A: It's possible to drive with this code, but it's not recommended as it could lead to overheating and further damage.
Q: How do I reset the P0CBD code?
A: After fixing the issue, you can reset the code with an OBD-II scanner.
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Fitment Required · Vehicle-fitment part
Relevant when coolant-temperature and warm-up faults indicate a thermostat-related issue.
Coolant-temperature and warm-up faults often lead to thermostat testing and replacement.
Thermostats are vehicle-specific and should be matched by engine and housing style.
View options on AmazonThese parts may be related to this fault category, but a code by itself does not confirm exact fitment or guarantee that replacing a part will solve the problem.