Ways to Clear GM Codes

No matter what sort of GM vehicle you drive, odds are at some time, a difficulties code will probably be triggered as well as the check engine light will go on. This really is your vehicle's method of telling you a thing is incorrect and it needs to be taken care of in order to avoid even further harm. While an engine code can be an indication of serious mechanical failure, it could also brought about by small difficulties. When you've resolved the challenge, the engine code will really need to be cleared. The procedure for undertaking this is actually the very same, irrespective of what GM make and model you drive. nexiq 125032
Open the hood and find the battery on your GM motor vehicle. Placement varies depending on your unique model. Generally, the battery is found in a single from the four corners with the engine compartment.
Use the adjustable wrench to loosen the bolt holding the adverse battery clamp on the detrimental terminal. The unfavorable clamp will likely be identified which has a minus indicator and can be linked to a black cable.
Wait not less than thirty seconds using the adverse battery cable disconnected.
Reconnect the adverse battery clamp towards the unfavorable battery terminal and tighten it till it truly is secure and can't be wiggled together with your hand.
Start the motor vehicle and check the instrument cluster on the dashboard to verify the test engine light is off. When the examine engine light is no longer on, the engine codes are effectively cleared.
Tips & Warnings
If you prefer to not have to get under the hood and disconnect the battery, the codes is usually cleared by using a OBD-1 or OBD-2 scan tool. The OBD-1 is used for 1995 or older GM vehicles along with the OBD-2 is used for 1996 and newer vehicles. You can take your car to your preferred auto parts store, which will have the scan tools and can clear the codes from your automobile free of charge.
Disconnecting the battery will clear out your car's clock and radio presets, so upon reconnecting the battery, you'll have to reprogram both.
If you have a GM vehicle with dual batteries, such as a 1994 Chevrolet Suburban Diesel, you only have to disconnect one particular battery to clear the codes.
If the examine engine light is still on after disconnecting the battery, disconnect it again and wait for a longer period of time before reconnecting it to ensure the codes clear out.
Always be sure the vehicle's ignition is in the off position when working to the electrical system to reduce the chances of getting an electrical shock.
When removing the negative battery cable, take extra caution to not let it touch the positive battery terminal, which can cause a spark.
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