How do you reset the computer on a Chevy truck?

Slip the clamp off of the negative battery terminal and wait 15 minutes. Reconnect the cable clamp and secure it to the terminal with a socket wrench. Start the truck and wait for the engine light to shut off. This will indicate that your computer has been reset (and all trouble codes have been cleared).

How do you reset the PassLock on a Chevy Tahoe?

When this happens, you will need to reset the Passlock system, so that you can again drive your car. Unlock the Tahoe driver’s door and insert the key into the car’s ignition. Turn the key to the “Run” position. This is the position where the ignition is on, but the engine is not.

How do you change the engine on a Chevy Tahoe?

Unlock the Tahoe driver’s door and insert the key into the car’s ignition. Turn the key to the “Run” position. This is the position where the ignition is on, but the engine is not. Wait five seconds for the security light to go off, then crank the engine. If the engine does not crank, continue to step 3.

How do you reset the computer on a Chevy Malibu?

Unplug the computerized scan tool from the port. Turn on the engine and observe the instrument panel to make sure all warning lights have shut off. The computer is now reset. Turn the key in the ignition to the “Key on/Engine off” position. Locate the diagnostic link connector in you Chevy Malibu.

How to reset the computer on Chevrolet cars?

Select “PCM” on the menu and then choose “codes.” Finally, select “clear all codes.” Unplug the computerized scan tool from the port. Turn on the engine and observe the instrument panel to make sure all warning lights have shut off. The computer is now reset. Turn the key in the ignition to the “Key on/Engine off” position.