How to Reset Your Subaru Computer: A Step-by-Step Guide for Non-Technical Subaru Owners

As a Subaru car owner, it is essential to understand the technicalities of your vehicle. One of the key components of your car is the computer system. Like all electronic devices, the computer in your Subaru may malfunction at times and require a reset. In this article, we will give you a step-by-step guide on how to reset your Subaru computer in case you encounter any issues.

Understanding the Subaru Computer System

Before discussing the steps to reset your Subaru computer, it is essential to have a basic idea about the computer system in your car. The computer, which is also known as the Engine Control Module (ECM), is responsible for managing the engine’s performance, monitoring emission levels, and controlling other components such as the transmission. Subaru cars have a self-diagnostic system that stores information on the computer in case of any issues, and this information can be accessed during maintenance or repair.

Reasons for Resetting Your Subaru Computer

As mentioned earlier, there can be times when the computer in your Subaru malfunctions, causing a host of issues such as reduced engine performance, the Check Engine light turning on, and the transmission not working correctly. Resetting your computer can clear all the stored information and restore the vehicle to its default state. Additionally, resetting the computer can be beneficial after performing maintenance to your Subaru, such as replacing fuel filters or changing the oil.

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How to Reset Your Subaru Computer

Here are the steps to reset your Subaru computer:

  1. First, ensure that your car is in park or neutral with the handbrake on and the engine turned off.

  2. Locate the OBD-II port, which can be found near the driver’s side footwell. You can refer to your Subaru owner’s manual for the exact location.

  3. Connect the OBD-II scanner to the port.

  4. Turn on the ignition key of your Subaru without starting the engine. Ensure that all the accessories, such as the AC, stereo, and lights, are turned off.

  5. Use the OBD-II scanner to access the Subaru computer and select the reset option.

  6. Confirm that you want to reset the computer, and wait for the process to complete.

  7. Once the computer has been reset, turn off the ignition key, remove the scanner, and wait for a couple of minutes before starting the engine.

Congratulations, you have successfully reset your Subaru computer!

Frequently Asked Questions (FAQs)

Q. Do I need any special tools to reset my Subaru computer?

A. Yes, you will need an OBD-II scanner to reset your Subaru computer. You can purchase or rent one from your local auto parts store.

Q. Will resetting my Subaru computer affect the vehicle’s warranty?

A. No, resetting your Subaru computer will not affect the warranty. However, it is recommended to read through your Subaru owner’s manual and follow the manufacturer’s guidelines to avoid damaging the vehicle.

Q. How often should I reset my Subaru computer?

A. There is no set time frame to reset your Subaru computer. It is only required when you encounter issues or after performing maintenance on the vehicle.

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Resetting your Subaru computer may seem like a daunting task, but it is a simple process that can help resolve many issues. It is important to have a basic understanding of your Subaru’s computer system and to refer to your owner’s manual before attempting to reset the computer. By following the steps outlined in this article, you can reset your Subaru computer with ease.

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Alton Brobst

As a longtime Subaru enthusiast, Alton brings a wealth of knowledge and experience to our blog. From his early days of tinkering with engines to his current role as a certified Subaru technician, Alton has seen it all when it comes to Subarus. When he's not working on cars, he enjoys hiking and exploring the great outdoors.

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