To reset the check engine light on a 2004 GMC box truck, you can disconnect the negative battery cable for about 10-15 minutes, which clears the engine control module's stored codes. Alternatively, you can use an OBD-II scanner to erase the diagnostic trouble codes directly. However, it's important to address any underlying issues that triggered the check engine light before resetting it to ensure the problem doesn't persist. Always consult the vehicle’s manual for specific procedures related to your model.
For any new truck you may have to have the computer reset you can find one at Wal mart for 98$ plus tax or order on off the web. It reads what the truck problems are .
You have to reset it with a OBC scanner :-)
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.
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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.
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.
It appears that if you disconnect the battery for 5 seconds you get your reset.
Repair the problem then use an OBD2 scan tool to reset the light.
To reset the check engine light on a 2004 Toyota Sienna, you can disconnect the negative battery terminal for about 15 minutes. This will clear the engine codes and reset the light. Alternatively, you can use an OBD-II scanner to erase the codes directly from the car's computer. However, if the underlying issue causing the check engine light is not resolved, the light may come back on.