Check Engine Light Meaning Bmw

Follow scan tool manufacturer s operating instructions to access the diagnostic.

Check engine light meaning bmw.

If your bmw check engine light or service engine soon light stays on it means that the onboard diagnostic system also known as digital motor electronics dme has detected a problem with the emission system engine or transmission. When retrieving bmw check engine light codes with an obd ii scan tool proceed as follows. What problems can trigger the check engine light. What does the check engine light mean when illuminated.

Bmw check engine light may come on due to something as simple as a loose gas cap but it can also be an indication of an expensive engine or transmission problem. This is very bad. Your car has a computer which runs diagnostic tests while your car is running. The check engine light is part of the onboard diagnostics obd system in your bmw.

The orange check engine light is a car s way of telling you something is wrong. If something comes back faulty or negative the light comes on. Click a link to learn more about each one. The service engine soon light in your bmw is similar to a check engine light in other cars.

Your check engine light is design to monitor and turn on when it detects a fault with your bmw s emissions system. Since the 1980s many vehicles have been built to be run by the engine computer unit ecu which controls vehicle s drivetrain and auxiliary systems based on input from the vehicle s sensors this computer will make adjustments to your vehicle s performance to keep your ride running smoothly. Here are the 10 most common issues that trigger it. The connector may have a removable cover.

This light is the centerpiece of your vehicle s on board diagnostics system obd. Ranging from minor to major a. What does this mean. Your car could be experiencing severe misfiring in your engine.

When you see the check engine light illuminated in your dash it means your bmw has detected a problem within its obd system. The check engine light is an irritation for many drivers but it gives you essential information about your car and shouldn t be ignored. The following are warning lights and indicators found in vehicles built by bmw. If this is happening unburned fuel will be dumped into the exhaust system.

What your check engine light means. Connect scan tool to the 16 pin data link connector dlc located underneath the steering column. 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. They are roughly ordered by importance which tends to be by color red amber yellow orange green blue gray but there are over 50 of them so be patient.