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Error Code P0A25: What It Means & What To Do?

OBD Code P0A25 - Generator Torque Sensor Circuit High

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The trouble code P0A25 can be explicated as Generator Torque Sensor Circuit High. The generator torque sensor is being monitored by the engine control module. This trouble code would be set by the ECM when the generator torque sensor would not be as per the specifications set by the manufacturer.

Learn More About OBD Error Code P0A25

Do you want to gain some more knowledge about the P0A25 trouble code? 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 Generator Torque Sensor Circuit High?


  • Malfunctioning generator torque sensor
  • Generator torque sensor harness might be open or little
  • Substandard electrical connection in the generator torque sensor circuit

Replace/Repair These Parts To Fix OBD Code P0A25

  1. Generator Assembly - There can be some issues with the Generator Assembly due to which you may see P0A25 code appearing over and over again. Visit us to buy best quality Generator Assembly online.
  2. Automatic Transmission Module - A lot of issues can arise do to defective Automatic Transmission Module. Did you just see P0A25 code flashing? Now you know the reason why it is appearing. Get it inspected and replaced on time.
  3. Engine Control Module - Faulty Engine Control Module can be the reason why P0A25 code is flashing. Visit us to purchase top notch Engine Control Module online.
  4. Generator Torque Sensor - It is an important auto part which needs full care. A faulty Generator Torque Sensor can be a reason behind the flashing up of P0A25 code.
  5. Powertrain Control Module - OBD Code P0A25 can appear because of faulty Powertrain Control Module.

Symptoms Of OBD Error Code P0A25

It is vital to know the symptoms of an issue as only then you would be able to solve the problem. So that’s why we have listed out some major symptoms of OBD Code P0A25 here:


Common Symptoms


  • Check engine light can start flashing up
  • High voltage system not functioning properly
  • Problems in handling the vehicle

How To Correct P0A25 Generator Torque Sensor Circuit High

The repairs which you will have to do to correct this fault code are simply straightforward; you can surely pinpoint the necessary repairs on the basis of your diagnosis. Have a look at some common fixes:


  • You must fix the defective automatic transmission module
  • Make sure to mend the faulty generator assembly
  • The malfunctioning generator torque sensor harness should be repaired or replaced as per the need
  • Carefully adjust the faults in the generator torque sensor circuit
  • It is necessary to perform proper service of the unsound engine control module
  • Adjust the flawed generator torque sensor

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Easy Diagnosis Of Engine Error OBD Code P0A25

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


  • This is a general type of error code which is diagnosed with the help of a scanner.
  • The mechanic will insert a scanner to diagnostic port of the vehicle and recover the codes and freeze frame data.
  • If he happens to find any additional error codes, he has to address them as well.
  • Once it is done, he has to reset the vehicle, and then test drive to see if the error code appears.
  • If the error code does not return, then there can be an erratic condition.
  • But, if the error code returns, then the mechanic has to check the transmission fluid.
  • If the transmission fluid is dirty or if it is below the expected level, it has to be refilled or the dirty fluid has to be replaced.
  • Also, the mechanic can check for any sign of leaks, and quickly fix the issue.
  • Then the mechanic has to check the wires, connectors and other electrical components and quickly replace them if he finds them to be damaged or defective.
  • If the issues are not yet sorted out, then the mechanic will use a digital voltmeter/ ohmmeter and connect it to the vehicle.
  • Once the circuit is inspected, he will thoroughly check all the harness and repair them accordingly.
  • In most cases, this error code can arise mostly because of any shorted wires or dirty or contaminated transmission fluid.
  • Whenever the mechanic or a trained professional, repairs any of the component like wires or connectors, he will reset the code and test drive the vehicle again to see if the error code appears again.
  • This can actually help the mechanic to know if the problem is fixed.

Common Mistakes When Diagnosing the P0A25 Code


  • Some issues related to the wiring
  • Failure in the hybrid transaxle assembly
  • Faults in the powertrain control module

Other Diagnostic Codes Related To OBD Code P0A25

P0A22 - Generator Torque Sensor Circuit

P0A23 - Generator Torque Sensor Circuit Range/Performance

P0A24 - Generator Torque Sensor Circuit Low

P0A26 - Generator Torque Sensor Circuit Intermittent