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Error Code P0C14: What It Means & What To Do?

OBD Code P0C14 - Drive Motor “B” Inverter Phase U Over Temperature

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The trouble code P0C14 can be elucidated as Drive Motor “B” Inverter Phase U Over Temperature. This trouble code is generic, which would mean that it can apply to all the vehicles which are equipped with the OBD-II or the vehicles which are made since 1996 up to the present. The specifications on the definition, the troubleshooting steps as well as repairs can always vary from one vehicle make to another. This can happen because of a lot of reasons and the mechanic should diagnose the specific cause for this code.

Learn More About OBD Error Code P0C14

Are you tensed because the P0C14 fault code is flashing? We have everything which you need and at equitable prices. For us our customers are our everything and we promise that you will never regret your decision. It is the engine control module which would examine the drive motor “B” inverter phase U over temperature. This trouble code would be set by the ECM when the drive motor “B” inverter phase U over temperature would not be as per the parameters set by the manufacturer.


What causes this problem with the Drive Motor “B” Inverter Phase U Over Temperature?


  • There might be a leakage in the coolant system
  • Defects in the drive motor generator power inverter control module
  • Quirks in the engine cooling fan
  • Water pump might be defective
  • Some issues related to the coolant pump

Replace/Repair These Parts To Fix OBD Code P0C14

  1. Generator Assembly - The generator assembly makes sure to restore the power which has been lost while supplying it to the engine management as well as other systems of the car with the juice they require to run the automobile properly.
  2. HVAC Blower Motor Control Module - One major symptom of a malfunctioning HVAC Blower Motor Control Module can be no air from the vehicle’s vents at all. Power to the blower motor is fed through the blower motor resistor, so if it starts failing or has any defects, then power can be cut off to the motor.
  3. Motor Assembly - Check engine light would be turned on due to bad motor assembly. Some strange noises would also start coming from your car. Get it inspected and replaced on time.
  4. Engine Control Module - Want to know the most common reason behind the failure in the engine control module? Corrosion or damage because of moisture can cause ECM failure. Corrosion might enter the ECM through the wiring harness and moisture can enter by a failure in the seals in the ECM itself.
  5. Powertrain Control Module - The PCM makes the engine and transmission work in tandem. Any issue with the powertrain control module will cause major problems with the efficient running of the vehicle.
  6. Electronic Control Unit - If your vehicle fails to start for no apparent reason, this is also a good indicator that there can be some issues with the ECU. If you check the car battery, starter and other common electrical components, and the vehicle still does not start, a quirky electronic control unit should be the next logical thing to consider.

Symptoms Of The OBD Error Code P0C14

You might be thinking that how would you diagnose these problems? We at Parts Avatar Canada would help you diagnose the major symptoms easily.


Common Symptoms


  • Check engine light can start flashing up
  • Overheating of the high voltage system

How To Correct P0C14 Drive Motor “B” Inverter Phase U Over Temperature Issue

Looking out for some ways with the help of which you can correct this fault code? Then you have arrived at the correct place. We are here to help you out, so you must check out the steps mentioned below as follows:


  • Make sure to mend the faulty coolant system
  • It is essential to restore the flawed engine control module
  • Repair or replace the quirky drive motor generator power inverter control module
  • Carefully adjust the faults in the engine cooling fan
  • It is necessary to perform proper service of the unsound coolant pump

There is no need to get strained if your OBD Code is still flashing up as we are here at your service. Have a look at our superior variety of car cooling system parts, coolant pump, motor control module, hybrid powertrain control module and many more. Now all your problems would vanish within no time.

Easy Diagnosis Of Engine Error OBD Code P0C14

Here are some steps which you should follow in order to diagnose this fault code:

After verifying the P0C14 code with an OBD-II scanner, the mechanic should begin with a visual inspection of all electrical components, especially looking for drive motor “B” inverter that might have caused issues. Any issues should be repaired, and the code should be cleared from the system. If the code reappears after a retest, the mechanic should then move on to performing voltage tests and resistance tests on the sensor, and comparing the information to the manufacturer’s specifications. If the readings are within the correct limits, then the sensor needs to be replaced. However, if the readings are not within the correct limits, then the issue lies elsewhere. The mechanic should continue checking each possible cause, clearing the code and retesting the system after each attempt, to be sure that the correct solution is found.


Common Mistakes When Diagnosing The P0C14 Code


  • Failure in the drive motor generator power inverter control module

Other Diagnostic Codes Related To OBD Code P0C14

P0C15 - Drive Motor "B" Inverter Phase V Over Temperature

P0C16 - Drive Motor "B" Inverter Phase W Over Temperature