Scania fault code 4229
Code 4229 is used by 3 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMU
Heater H40, communication error
CAN communication does not work.
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BMU Battery Management Unit
Cell monitoring circuit board, interruption
The control system is unable to find all cell monitoring circuit boards.
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DDU
Driver's microphone, short circuit to voltage supply.
Information is missing, update is in progress.
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