Scania fault code 809
Code 809 is used by 5 different Scania systems. Choose the control unit shown in your diagnostic tool:
COO Coordinator
Internal fault
None of the outputs that can be checked are operational.
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MBS
Secondary passenger area evaporator, ice formation.
The ice monitor is active.
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CMS
CAN communication with the engine control unit
There is no CAN message on vehicle speed from the engine control unit.
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DAS
Internal fault
None of the outputs which can be checked are working.
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DCU
Autocalibration misconfigured in the open position
The auto-calibration function has changed from the previously calibrated end position. The door stops at less than 80% of the original open position.
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