Scania fault code 1552

Code 1552 is used by 3 different Scania systems. Choose the control unit shown in your diagnostic tool:

TMS Transmission Management System Freewheeling retarder position sensor, unreasonable resistance in the position sensor coil The control unit interprets that the value of the resistance in the coil of the position sensor is not reliable. Read explanation → BMU Battery Management Unit Contactor unit R125, current too high during charging Charging with an external battery charger was terminated because the measured current has been higher than permitted, 200 A, for at least one second. Read explanation → ALLISON Allison automatic gearbox Gearbox identification The gearbox and the control unit are not compatible. Read explanation →