Scania BMU DTC 4200 Cell monitoring circuit board, too high or too low a reference voltage for AUX_AVDD

BMU Battery Management Unit · Scania

Code 4200 (decimal). Some diagnostic tools show it in hexadecimal as 001068.

In short

A chip in a cell monitoring circuit board reports a reference value outside the permitted range.

Applies to: BMU7 (BMUA)BMU7 (BMUB)BMU7 (BMUC)BMU7 (BMUD)BMU7 (BMUE)BMU7 (BMUF)BMU7 (BMUG)BMU7 (BMUH)BMU7 (BMUI)BMU7 (BMUJ)BMU7 (BMUK)BMU7 (BMUL)BMU7 (BMUM)BMU7 (BMUN)BMU7 (BMUO)BMU7 (BMUP)

What does Scania BMU fault code 4200 mean?

What causes Scania DTC 4200?

How to fix Scania BMU fault code 4200?

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This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.

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