Scania fault code 812
Code 812 is used by 2 different Scania systems. Choose the control unit shown in your diagnostic tool:
COO Coordinator
Rotary switch for differential locks
The control unit interprets that the rotary switch for differential lock is in an implausible position for the vehicle.
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CMS
Solenoid valve for releasing the parking brake
The voltage on the output from the solenoid valve has been too low.
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