Plaster's Garage

2017 Buick Encore and someone thinking they can disconnect the ECM with a battery still hooked up. Engine Control Unit (ECU) while the battery is still connected is a high-risk procedure that can lead to immediate failure of the unit or damage to other electrical components of car . I'm trying to reconnect it for the battery is still hooked up is a bad idea too . Handling ECM (Electronic Control Module) connectors requires extreme care to avoid bending or breaking the delicate pins, which can cause severe electrical issues, fault codes, or failure to start. Proper alignment is critical, as forcing the connection can damage the pin or brake one off . and repair a pin can be hard thing to do and that needs to be done so car will start up and go down road www.plastergarage.com