Scania BMU DTC 3339 UI sensor, supply voltage below permitted limit

BMU Battery Management Unit · Scania

Code 3339 (decimal). Some diagnostic tools show it in hexadecimal as 000D0B.

In short

The UI sensor supply voltage, voltage class A, is below the permitted limit, 10 V.

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 3339 mean?

What causes Scania DTC 3339?

How does the system react?

How to fix Scania BMU fault code 3339?

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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.