Scania fault code 844

Code 844 is used by 3 different Scania systems. Choose the control unit shown in your diagnostic tool:

COO Coordinator CAN communication with switch module Fault in communication with the switch module in the steering wheel. Read explanation → MBS Auxiliary heater, too many attempts to start The auxiliary heater does not start, following too many attempts to start. Read explanation → CMS Tag axle lift, vehicle software fault The tag axle lift is not responding to activation requests. Read explanation →