Scania fault code 27201

Code 27201 is used by 2 different Scania systems. Choose the control unit shown in your diagnostic tool:

TMS Transmission Management System Proportional valve Short circuit to ground in proportional valve current measurement. The check only occurs during retarder braking. Read explanation → RET Retarder Proportional valve Short circuit to ground in proportional valve current measurement. The check only occurs during retarder braking. Read explanation →