Scania fault code 4188

Code 4188 is used by 2 different Scania systems. Choose the control unit shown in your diagnostic tool:

BMU Battery Management Unit Pre-charging contactor, number of actuations permitted exceeded The propulsion battery's pre-charging contactor has exceeded the number of actuations permitted. Read explanation → DDU Switch module in the steering wheel for instrument cluster: Menu navigation up, no signal Information is missing, update is in progress. Read explanation →