Does disconnecting the battery reset the PCM?
Does disconnecting the battery reset the PCM? Will Disconnecting a Car Battery Reset The Computer? The answer is, maybe. Disconnecting the battery for a short time may not do the trick because the car's computer, or ECU, still has some current in it. Waiting for over 15 minutes after disconnecting the engine will help ensure the equipment is reset. How do you reset the PCM on a car? How Can I Reset the PCM on My Car?Open the hood of the vehicle.Disconnect the negative battery cable from the battery. Use a wrench to loosen the lock nut, and pull the...