Scania BMU DTC 3044 Negative contactor, open incorrectly

BMU Battery Management Unit · Scania

Code 3044 (decimal). Some diagnostic tools show it in hexadecimal as 000BE4.

In short

The contactor to the negative terminal of the propulsion battery is open incorrectly.

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 3044 mean?

What causes Scania DTC 3044?

How does the system react?

How to fix Scania BMU fault code 3044?

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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 3044 in other Scania systems