What does it mean when the malfunction indicator lamp comes on?
If the malfunction indicator lamp comes on and stays on while the engine is running, this indicates that there is an OBD II problem and service is required. Malfunctions often are indicated by the system before any problem is apparent.
What to do if your GMC Sierra light keeps flashing?
Turn the vehicle off, wait at least 10 seconds, and restart the engine. If the light is still flashing, follow the previous steps and see your dealer for service as soon as possible.
Why does the indicator light keep coming on?
The most common case is when the indicator light stays on constantly. It indicates more serious problem that requires action to be taken; the sooner the better. Yet, sometimes the issues aren’t that serious but can affect the emissions of the vehicle, for example.
When does the OBD2 indicator light turn on?
The OBD2 system illuminates the light when there is a problem with the car’s engine, transmission or emission control system. The light turns on only for a reason and you should not ignore it. You should always investigate the cause.
Turn the vehicle off, wait at least 10 seconds, and restart the engine. If the light is still flashing, follow the previous steps and see your dealer for service as soon as possible.
If the malfunction indicator lamp comes on and stays on while the engine is running, this indicates that there is an OBD II problem and service is required. Malfunctions often are indicated by the system before any problem is apparent.
The most common case is when the indicator light stays on constantly. It indicates more serious problem that requires action to be taken; the sooner the better. Yet, sometimes the issues aren’t that serious but can affect the emissions of the vehicle, for example.
What is the yellow light on a GM starter interrupt?
In this article, we are concentrating on factory-installed GM starter interrupt systems. This type of anti-theft system is designed to prevent the vehicle from starting unless the correct ignition key is used. These systems used a dash-mounted “security” or “theft” light which can be yellow or red in color.