Scania BMU DTC 12477 Diagnostic framework test monitor, always disabled

BMU Battery Management Unit · Scania

Code 12477 (decimal). Some diagnostic tools show it in hexadecimal as 0030BD.

In short

NA

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 12477 mean?

What causes Scania DTC 12477?

How does the system react?

What are the symptoms?

How to fix Scania BMU fault code 12477?

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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.