Scania fault code 28673

Code 28673 is used by 2 different Scania systems. Choose the control unit shown in your diagnostic tool:

TMS Transmission Management System The synchromesh actuating arm remains immobile in the disengaged position Freewheeling retarder cannot be engaged. The synchroniser actuating arm does not move from the disengaged position. Continuous checks are carried out during mechanical engagement o… Read explanation → RET Retarder The synchromesh actuating arm remains immobile in the disengaged position Freewheeling retarder cannot be engaged. The synchroniser actuating arm does not move from the disengaged position. Continuous checks are carried out during mechanical engagement o… Read explanation →