Check Engine Light On Bmw

For example one of the more common reasons for the light to come on is a faulty gas cap.

Check engine light on bmw.

Write down the. Now it is very important to understand that although it says check engine the problem may not be with your engine. The connector may have a removable cover. Press read enter to read codes from dme module.

It can say check engine it can be a symbol of an engine it can even be a combination of both. There are numerous reasons that could trigger a fault and cause the check engine light to turn on. What does the check engine light mean when illuminated. Locate the diagnostic port on your bmw.

The check engine light is part of the onboard diagnostics system and displays in a few different ways. Some of these issues are serious others are not so serious. Allow the scanner to turn on. It is an erroneous display and it s not affecting drivability emissions or.

Your check engine light is design to monitor and turn on when it detects a fault with your bmw s emissions system. Plug scanner into the obd2 port. There are many reasons why the check engine light might come on in your bmw but not all of them are serious. When you see the check engine light illuminated in your dash it means your bmw has detected a problem within its obd system.

While the light says check engine the reality is that it could be 100 different things that are triggering the fault causing the light to go on. Intermittently a check engine light cel may be illuminated on i3 rex vehicles without a relevant fault code stored. The port is under the dash on the driver s side. The check engine light is part of the onboard diagnostics obd system in your bmw.

Connect scan tool to the 16 pin data link connector dlc located underneath the steering column. Turn on ignition by pressing the start button without pressing on the brake pedal.