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Error Code P0A3D: What It Means & What To Do?

OBD Code P0A3D - Drive Motor "B" Inverter Over Temperature

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The trouble code P0A3D can be described as Drive Motor "B" Inverter Over Temperature. If the engine control module would detect a variation in the voltage coming from the drive motor 'B' inverter over temperature sensor that is outside the parameters set by the automobile manufacturer, then it would store the P0A3D error code. This would also give rise to the illumination of the check engine light.

Learn More About OBD Error Code P0A3D

Don’t worry if P0A3D error code is triggering again and again. We offer wide range of auto parts at affordable prices to our dear customers. One thing which you must keep in mind that its symptoms as well as causes would surely vary as it depends upon a number of things. This code is a generic trouble code, meaning it applies to all vehicles equipped with the OBD-II system, especially those made from 1996 up to present. It’s also more common among Audi, Citroen, Chevrolet, ford, Hyundai, Nissan, Peugeot, and Volkswagen vehicles.


What causes this problem with the Drive Motor "B" Inverter Over Temperature?


  • Some defects in the drive motor 'B' inverter sensor
  • Opened or shorted drive motor 'B' inverter sensor harness
  • There can be inferior electrical connection in the drive motor 'B' inverter sensor circuit

Replace/Repair These Parts To Fix OBD Code P0A3D

  1. Electronic Control Unit - Did your mechanic just found out that there is some fault in the Electronic Control Unit? Buy top notch Electronic Control Unit from us at economical prices.
  2. Auto Transmission Control Module - A broken Auto Transmission Control Module can cause a lot of issues. It would be nice if you get it replaced on time.
  3. Engine Coolant Temperature Sensor - Everything is fine with the engine control module and still OBD code P0A3D flashing? Then there is definitely some fault with the Engine Coolant Temperature Sensor. Get it checked and replace if needed.
  4. Automatic Transmission Sensor - Automatic Transmission Sensor is an important car part which should never be neglected. May be there is some fault in it due to which P0A3D code may start flashing.
  5. Body Control Module Component - A faulty Body Control Module Component can be troublesome. You can always rely on us as we have best auto parts for our customers.
  6. Powertrain Control Module - If everything is alright with Auto Transmission Shift Solenoid, then there is surely some defect in Powertrain Control Module. Get it replaced before the situation gets worse.
  7. Engine Control Module - P0A3D code can display due to some issues in the Engine Control Module. So, it is very important to replace the Engine Control Module with us at equitable prices.

Symptoms Of OBD Error Code P0A3D

Our main motive is to achieve customer satisfaction and that’s why we will help you to diagnose P0A3D code by mentioning some major symptoms below:


Common Symptoms


  • Illumination in the service engine soon light

How To Correct P0A3D Drive Motor "B" Inverter Over Temperature

If you wish to correct this fault code, then you have to follow certain steps. Correcting a problem needs your careful attention. Here are some ways with the help of which you will be able to correct the OBD Code P0A3D:


  • You must fix the defective automatic transmission sensor
  • Repair or replace the quirky drive motor 'B' inverter sensor harness
  • Rehabilitate the defaults in the inverter/converter assembly
  • Carefully adjust the faults in the drive motor 'B' inverter sensor
  • Recondition the non-functioning drive motor 'B' inverter sensor harness

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 converter, electronic control module, Pcm computer, engine Control Unit and many more. Now all your problems would vanish within no time.

Easy Diagnosis Of Engine Error OBD Code P0A3D

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


  • The P0A3D error code can be diagnosed by utilizing an OBD-II trouble code scanner.
  • A scanner should be used by a professional technician to notice the freeze frame data, to assemble details about the code.
  • The mechanic can also check to see if there is presence of additional trouble codes.
  • Now if there are a number of codes, then they should be addressed in the same order in which they are appearing on the scanner.
  • After that the mechanic should reset the trouble codes, restart the vehicle, and check to see if the code remains detected.
  • If it does not, then the code was likely triggered incorrectly, or represents an intermittent issue.

Common Mistakes When Diagnosing the P0A3D Code


  • Malfunctioning high voltage water pump
  • There can be a failure in the inverter/converter assembly
  • Diminishing high voltage coolant level

Other Diagnostic Codes Related To OBD Code P0A3D

P0A3C - Drive Motor "A" Inverter Over Temperature