Scania BMU DTC 3361 Propulsion battery, critical insulation fault

BMU Battery Management Unit · Scania

Code 3361 (decimal). Some diagnostic tools show it in hexadecimal as 000D21.

In short

The UI sensor indicates that the resistance is less than 1 Mohm on the positive or negative side to earth, 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 3361 mean?

What causes Scania DTC 3361?

How does the system react?

How to fix Scania BMU fault code 3361?

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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.