Scania fault code 829
Code 829 is used by 2 different Scania systems. Choose the control unit shown in your diagnostic tool:
BMU Battery Management Unit
The heater is short-circuited to ground
The propulsion battery heater is short-circuited to ground. Error message from BMU.
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COO Coordinator
Switch module
The control unit interprets that the switch module is misconfigured. The chassis serial number in the control unit and switch module differ.
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