I was told by a co-woker that if you disconnect the negative battery cable for about 20 minutes or so that will reset the service engine light.
How do I reset the service engine light on a 2003 Chevy Trailblazer?
Maybe you should service the engine soon. :P
can you tell me why my 1999-2000 Chevy trailblazer light is on
Check
It is important to pay attention to the warning lights on a car. To reset a service engine light on a car, a person must fix the problem causing the light to go off.
When service engine light is on on a 2003 Chevy Trailblazer, the problem could be a faulty thermostat, a circuit range performance problem, or any other problem.
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That requires an OBDII engine scanner.
To reset the check engine light on a 2005 Chevy Avalanche, you can disconnect the negative battery cable for about 10-15 minutes, which will clear the engine codes. Alternatively, you can use an OBD-II scanner to read and clear the codes directly. If the light returns after resetting, it indicates that there may still be an underlying issue that needs to be addressed. Always ensure to diagnose any problems before simply resetting the light.
The check engine light (service engine soon) comes on and stays on when a problem is detected by the self diagnosis system of your vehicle.
I reset the check engine light on my jeep by disconnecting it from the battery.
change the bulb