How Long To Leave Battery Disconnected To Reset Ecu
How to clear codes on your VW after installing a new battery. Loosen the negative terminal of the battery for 5 seconds to clear the fault light!#car#driving#tips At least 5 minutes or quicker if you disconnect both terminals and hold them together. Make sure that nothing touches the battery terminals. But Resetting ECU through battery +/- disconnect - BMW 3-Series and 4 ...