Scania BMU DTC 3049 Propulsion battery, overvoltage, emergency shutdown

BMU Battery Management Unit · Scania

Code 3049 (decimal). Some diagnostic tools show it in hexadecimal as 000BE9.

In short

The voltage levels of the propulsion battery have exceeded the permissible limit, and are critical.

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 3049 mean?

What causes Scania DTC 3049?

How does the system react?

What are the symptoms?

How to fix Scania BMU fault code 3049?

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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.