P0A20 - OBD Trouble Code

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The trouble code P0A20 can be described as Motor Torque Sensor Circuit High. 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. Specifications on the definition, troubleshooting, and repairs, of course, vary from one make and model, powertrain configuration type, to another. 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.

Don’t worry if P0A20 error code is triggering again and again. We offer wide range of auto parts at affordable prices to our dear customers. The motor torque sensor is being monitored by the engine control module. This trouble code would be set by the ECM when the motor torque sensor would not be as per the specifications set by the manufacturer. The engine control module, powertrain control module or the transmission control module monitors this circuit depending upon the particular automobile.

What causes this problem with the Motor Torque Sensor Circuit High?

• Some flaws in the motor torque sensor
• Motor torque sensor harness might be opened or sometimes shorted
• Motor torque sensor circuit might have inadequate electrical connection

1. Powertrain Control Module - Do you remember when was the last time you got your car Powertrain Control Module checked up? A dirty Powertrain Control Module can cause a lot of issues like displaying P0A20 code.
2. Motor Torque Sensor - Are there some faults in your Motor Torque Sensor? Don’t waste time and get them replaced or else P0A20 code can turn up.
3. Motor Assembly - OBD Code P0A20 can appear because of faulty Motor Assembly.
4. Engine Control Module - Everything is fine with Engine Control Module and still P0A20 code triggering? Then you must get your Engine Control Module checked.
5. Auto Transmission Shift Solenoid - There can be some issues with the Auto Transmission Shift Solenoid due to which you may see P0A20 code appearing over and over again. Visit us to buy best quality Auto Transmission Shift Solenoid online.

Our main motive is to achieve customer satisfaction and that’s why we will help you to diagnose P0A20 code by mentioning some major symptoms below:

Common Symptoms

• Illumination of the service engine soon light

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 P0A20:

• You must fix the defective motor torque sensor
• Make sure to mend the faulty motor assembly
• It is essential to restore the flawed motor torque sensor harness
• The malfunctioning auto transmission shift solenoid should be repaired or replaced as per the need
• Carefully adjust the faults in the motor torque sensor circuit
• It is necessary to perform proper service of the unsound powertrain control module

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

• The mechanic or the technician will use a diagnostic scanner or code reader like DVOM to visually scan for the error codes in the vehicle.
• After performing a careful inspection, every of the stored codes and freeze frame data are retrieved as it can help down the way for further diagnosis process.
• Most often he has to inspect the solenoid itself to see if they are faulty or damaged. Additional error codes that are stored in the vehicle are also addressed.
• The mechanic performs a continuity test between the PCM and solenoid to check the resistance.
• If the solenoid or the control modules are not faulty, he will then retune the code and test drive the vehicle.
• On test driving, if the P0A20 code does not return soon, he will know that an erratic condition exits.

Common Mistakes When Diagnosing the P0A20 Code

• Non-performance of the hybrid transaxle assembly
• Failure in the powertrain control module
• There can be some faults in the wiring

P0A21 - Motor Torque Sensor Circuit Intermittent