P278A OBD Error Code: Problem & Solutions

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The trouble code P278A can be described as Kick Down Switch Circuit. The error code P278A would start triggering when the transmission control module would detect some fault in kick down switch circuit. 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 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. The P278A trouble code would indicate that a kick down switch circuit which is not as per the predetermined limit has been detected by the transmission control module. Now when this would occur, the fault code would be stored and there would be an illumination of the malfunction indicator light.

What causes this problem with the Kick Down Switch Circuit?

• Defaults in the kick down switch
• Kick down switch harness might be opened or shorted
• Kick down switch circuit might have bad electrical connection

1. Kick Down Switch - Are you feeling that your car's transmission is shifting roughly, too fast, or too slow? In that case you should definitely replace your kick down switch. Buy top notch kick down switch from us at economical prices.
2. Engine Control Module - Is your car engine light still staying ON after resetting or your car engine is turning off for no reason? Then these are some common symptoms indicating that your car engine control module is defective.
3. Automatic Transmission Module - If the transmission module is faulty, then the vehicle might experience erratic gear shifts and throttle response. The engine might also stall will accelerating and slowing down. Thus replace faulty automatic transmission module, if required.
4. Powertrain Control Module - The PCM works as the central computer system in an automobile’s mechanism. This auto part is in charge of all the constituents as well as the functions performed by them. Having such enormous importance in the operation of all the parts means that any defect in it will affect almost every aspect of a car.
5. Electronic Control Unit - The ECU is a major component of your car's onboard computer. It's used to regulate many systems and subsystems in your car's engine, drive train and other major components. Visit us to buy best quality ECU online.
6. Diagnostic Tools - Take the help of a professional mechanic to diagnose OBD code error. Use high grade diagnostic tools to resolve this issue. Buy new tools and equipment form us! 

Our main motive is to achieve customer satisfaction and that’s why we will help you to diagnose P278A code by mentioning some major symptoms below:

Common Symptoms

• Illumination in the service engine soon light
• Decreasing engine performance

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 P278A:

• Carefully adjust the faults in the kick down switch
• You must fix the defective kick down switch circuit
• Rehabilitate the defaults in the kick down switch harness
• Adjust the flawed powertrain control module

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 kick down switch, transmission control module, engine control module, ECM, powertrain control module, PCM, TCM, switch valve, pcm car, ecm car, ecm module, pcm module and many more. Now all your problems would vanish within no time.

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