Scania BMU DTC 3042 Positive contactor, open incorrectly

BMU Battery Management Unit · Scania

Code 3042 (decimal). Some diagnostic tools show it in hexadecimal as 000BE2.

In short

The contactor to the positive 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 3042 mean?

What causes Scania DTC 3042?

How does the system react?

How to fix Scania BMU fault code 3042?

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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 3042 in other Scania systems