Check Engine Light On Bmw

There are many reasons why the check engine light might come on in your bmw but not all of them are serious.

Check engine light on bmw.

Your check engine light is design to monitor and turn on when it detects a fault with your bmw s emissions system. When you see the check engine light illuminated in your dash it means your bmw has detected a problem within its obd system. Plug scanner into the obd2 port. There are numerous reasons that could trigger a fault and cause the check engine light to turn on.

Connect scan tool to the 16 pin data link connector dlc located underneath the steering column. Now it is very important to understand that although it says check engine the problem may not be with your engine. Intermittently a check engine light cel may be illuminated on i3 rex vehicles without a relevant fault code stored. The check engine light is designed to monitor any defects and turn on when it detects a fault in your bmw s emissions system.

Press read enter to read codes from dme module. Some of these issues are serious others are not so serious. What does the check engine light mean when illuminated. The port is under the dash on the driver s side.

Write down the. One of the most commonly misunderstood lights or indicators in your bmw x3 is the check engine light. Turn on ignition by pressing the start button without pressing on the brake pedal. The connector may have a removable cover.

It can say check engine it can be a symbol of an engine it can even be a combination of both. The check engine light is part of the onboard diagnostics system and displays in a few different ways. It is an erroneous display and it s not affecting drivability emissions or. The check engine light is part of the onboard diagnostics obd system in your bmw.

Locate the diagnostic port on your bmw. 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.