Scania BMU DTC 3040 Discharge current limit exceeded

BMU Battery Management Unit · Scania

Code 3040 (decimal). Some diagnostic tools show it in hexadecimal as 000BE0.

In short

The propulsion battery's charging current was higher than the dynamic limit sent.

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 3040 mean?

What causes Scania DTC 3040?

How does the system react?

How to fix Scania BMU fault code 3040?

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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.

Code 3040 in other Scania systems