Resetting Engine and Transmssion ECU on Acura vehicle

Reset Acura Engine ECU & Transmission

Need to reset your engine and transmission (ECU) on your Acura vehicle? Learn how to reset Acura engine ECU and transmission by following the procedures below.

Why Reset Acura ECU?

Newer Acura vehicles monitor your driving habits and adjust the throttle response and transmission shifting points. The problem with this system is that, at times, it decreases throttle response and causes erratic shifting.

A quick ECU reset can improve the driveability and transmission shifting on an Acura. There are no negative side effects of this procedure.

Reset Acura ECU

  1. Turn key to position II. If your Acura has a START/STOP button, press it twice without depressing the brake pedal. DO NOT START THE ENGINE. Turn off the lights and radio.accessories position acura
  2. Your Acura dash lights should be on at this point. Within 5 seconds of turning on the ignition, press the gas pedal, and keep it pressed for 30 acura gas pedal
  3. Turn the car off and restart it. There will be no confirmation or beep, but the ECU and transmission have been reset. If unsure, repeat the procedure one more time.turn off vehicle
  4. Drive your Acura usually.driving acura normally

This procedure does not work on all Acura vehicles.

Performing these steps will not cause any side effects. If your Acura does not use adaptive ECU data, nothing will happen by completing these steps. Rember this procedure is carried out with the engine turned off and the ignition on. This method should help make your Acura feel more responsive and hopefully shift better.

If you are trying to reset the check engine light, you will need to use an OBD2 scanner and connect it to the diagnostic port under the dashboard on the driver’s side. This method will reset ECU and transmission to default factory values. It will not erase any settings or fault codes other than user-recorded data. If your Acura is not new, this method may not work.

Best Scanner Acura YOUCANIC UCAN2

The YOUCANIC Full System Scanner can read and clear fault codes through every vehicle’s control module.

We hope you found this guide on “Reset Acura Engine ECU & Transmission,” helpful. Check these troubleshooting and repair guides for more help on your Acura vehicle.


  • Rushit Hila • ASE Certified

    Rushit Hila, an ASE-certified engineer (G1 Automotive Maintenance and Repair), brings over two decades of hands-on experience in the automotive world to his writing. With a strong educational background, including a Master of Science in Engineering and a Bachelor of Science in Engineering, he has honed his skills and expertise through years of practical work. As a respected authority in the field, Mr. Hila is dedicated to offering insightful and valuable content that resonates with both vehicle owners and mechanics.

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  1. Oh my goodness- it works! Thanks so much! I’ve had this happen before and spent hundred having the Acura dealer “reset” my computer. You’re awesome!!!

  2. Anonymous says:

    Had issues with 2016 RDX, 23000 miles, hard shift from 1’st to 2’nd gear. This seemed to get it back to normal! Thanks.

  3. Anonymous says:

    Does this work on a 2013 TL? Great advice if it does.