P1790 – Acura DTC

Acura DTC P1790 – Automatic Transaxle

DTC P1790 meaning on Acura

DTC P1790 on an Acura refers to an error code related to the automatic transaxle. This code indicates a problem with the transmission control module communication circuit.

Acura DTC P1790 symptoms

Symptoms of DTC P1790 on an Acura may include:

  • Check Engine Light illuminated
  • Transmission shifting issues
  • Harsh shifting or slipping
  • Reduced fuel efficiency

Acura DTC P1790 causes

Common causes of DTC P1790 on an Acura include:

  • Faulty transmission control module
  • Wiring or connection issues in the communication circuit
  • Internal transmission problems

Acura DTC P1790 seriousness

DTC P1790 should be addressed promptly as it can lead to further transmission issues if left unresolved. Ignoring this code may result in more severe damage to the transmission system.

How to diagnose DTC P1790 on Acura

To diagnose DTC P1790 on an Acura, a mechanic may perform the following steps:

  1. Use a diagnostic scanner to retrieve the error code
  2. Inspect the transmission control module and related wiring for any visible damage
  3. Check for loose connections or corrosion in the communication circuit
  4. Perform a thorough transmission system inspection to identify any internal issues

How to fix DTC P1790 on Acura

To fix DTC P1790 on an Acura, the following steps may be taken:

  1. Repair or replace any damaged wiring or connections in the communication circuit
  2. If the transmission control module is faulty, it may need to be replaced
  3. Address any internal transmission problems identified during diagnosis
  4. Clear the error code and test drive the vehicle to ensure the issue has been resolved

How to erase DTC P1790 on Acura

To erase DTC P1790 on an Acura, follow these steps:

  1. Use a diagnostic scanner to clear the error code
  2. Disconnect the vehicle’s battery for a few minutes to reset the system
  3. After performing the necessary repairs, clear the code again to ensure it does not reappear

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