Disconnect Negative Battery Terminal To Reset Computer. How to Disconnect a Car Battery to Reset the Computer Clean any corrosion off of the battery and terminals with a can of spray-on battery cleaner. 2 Remove the positive terminal cable from the battery using your pliers or wrench.
I want to disconnect my negative battery terminal and try to re-set my computer. Want to try the disconnectreset solution. It will clear any codes and the trip computer will show a nice boost in mpg as the computer relearns your driving habits.
Set the negative terminal cable aside and wait 20 minutes.
One way to reset computer is by disconnecting your battery cable for 2 to 3 minutes and then waiting to check if the check engine light comes back on as you reconnect the battery. It takes a lot of effort to detach and reinstall it. An old mechanics trick for turning for temporarily eliminating certain kinds of driveability problems is to disconnect the battery ground cable for 10 seconds to reset the computer. To reset a cars computer disconnect the battery clip the battery cables together clean all of the battery terminals and connectors reconnect the battery cables and start the vehicle.
