Scania BMU DTC 3030 Propulsion battery, insulation fault, positive side

BMU Battery Management Unit · Scania

Code 3030 (decimal). Some diagnostic tools show it in hexadecimal as 000BD6.

In short

The UI sensor indicates that the resistance is 1-2 Mohm on the positive side, which is too low.

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 3030 mean?

What causes Scania DTC 3030?

How does the system react?

How to fix Scania BMU fault code 3030?

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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 3030 in other Scania systems