FMI 1120 CAT Fault Code

Cause :

The battery supplies electricity to the TCM even when the ignition switch is off. This power allows the TCM to store data such as DTC history and freeze frame data.Malfunction of the variable valve lift system. The control unit notes that the position of the natural opening of the throttle is not reached. The problem often comes out after cleaning the latter. The engine stalls immediately at the factory or at idle.