How do you reset the check engine light on a Subaru WRX?

How to Reset a Subaru Check Engine Light

1. Open the hood of your Subaru and loosen the nut that holds the cable clamp to the negative battery terminal.
2. Slide the cable off the negative battery terminal.
3. Wait 5 minutes, then reconnect the cable and tighten the retaining nut.

Would low oil make check engine light come on?

Low oil pressure: If your car is low on oil, it can cause your check engine light to go off. This is often shown in its own glowing light along with the check engine light on the dashboard.

Why does my Subaru check engine light come on?

by Alibaster Smith. The Subaru check engine light comes on when there is a problem with the Subaru’s emissions control system. The Subaru’s computer, called an ECU, generates fault codes that pertain to various sensors on the vehicle. If one of these sensors fails, it will trigger a fault code.

How do you reset check engine light on Subaru Outback?

Wait 5 minutes, then reconnect the cable and tighten the retaining nut. Start the engine and wait for the Subaru’s computer to reset the check engine light.

What happens when you reset the Check Engine light?

If one of these sensors fails, it will trigger a fault code. The code is then stored in the computer until a diagnostic scan is run on the ECU to diagnose the problem. After the problem has been fixed, you’ll need to reset the “check engine” light.

What does a fault code on a Subaru mean?

The Subaru’s computer, called an ECU, generates fault codes that pertain to various sensors on the vehicle. If one of these sensors fails, it will trigger a fault code.

Where to find check engine light code on Subaru?

When retrieving Subaru check engine light codes with an OBD II scan tool, proceed as follows: 1. Connect scan tool to the 16-pin data link connector (DLC) located underneath the steering column. The connector may have a removable cover. 2. Turn the ignition on.

Can a code reader fix a check engine light?

Most code readers will allow you to turn off or reset the check engine light. But this action alone does not actually repair the underlying problem. In many cases, the light will simply come back on later.

Where can I find the Acura check engine light code?

Look up your code definition. This tells you where to start testing. If you are unsure of any abbreviations, check out the acronym list by clicking on the link at the left.

What do I do if my check engine light comes back on?

Modern systems will display the code in an app on your smartphone. Most code readers will allow you to turn off or reset the check engine light. But this action alone does not actually repair the underlying problem. In many cases, the light will simply come back on later.