Can A Low Battery Cause Transmission Problems. With todays cars even the transmission depends on 12v of power to properly function. If you have a bad car battery it can make your cars engine computer ECU act a little bit nutty.
A poor battery or dirty battery cables can absolutely cause a car to run poorly sometimes in very odd ways. PCM TCU ECU Software Issue - Software issues can cause erratic shifting or downshifting. A weak battery or low battery voltage can cause the transmission to enter into fail safe mode.
PCM TCU ECU Software Issue - Software issues can cause erratic shifting or downshifting.
I added some put the battery on 10 amp for an hour started it and drove it a couple of miles with it shifting like it never happened Im going to 2 amp it overnight then check it in the. Unfortunately that will be a sign that your battery is going well before the battery light comes on the dash. Due to all the computers on the car and electronics it will cause problems with the transmission and steering. When the battery is not clean there will be visible build up that appears green or like white fluff which is acid corrosion.
