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How to reset service light on a 2004 grand am
You have to reset it with a OBC scanner :-)
You can reset the 2004 Honda Accord check engine light by removing the instrument light fuse. The location of the fuse can be found on the inside cover of the fuse box.
Repair the problem then use an OBD2 scan tool to reset the light.
To reset the service engine soon light on a 2004 GMC Envoy you can remove the ECU fuse. ECU stands for electronic control unit.
Disconnect the negative battery cable for about two minutes and that should reset your check engine light.
Reset the Check Engine Light by disconnecting the battery for about 10 minutes.
The check engine light has nothing to do with an oil change. The check engine light is reset with a scan tool after repairing the failure that caused it.
With a scan tool.
P 0172
Clear all PCM codes.
The check engine light on a 2004 Honda Civic can be reset by unplugging the ECU fuse in the engine bay fuse box. The ECU fuse is located is blue and rated at 15 amps.