Scania BMU DTC 909 Fault in the fan that cools the electronics DCC and MGS, M61 or M521

BMU Battery Management Unit · Scania

Code 909 (decimal). Some diagnostic tools show it in hexadecimal as 038D.

In short

Fault message from the fan.

Applies to: BMU6 (RES)BMU6 (RESXA)BMU6 (RESXB)BMU6 (RESXC)BMU6 (RESXD)BMU6 (RESXE)BMU6 (RESXF)BMU6 (RESXG)BMU6 (RESXH)BMU6 (RESXI)BMU6 (RESXJ)BMU6 (RESXK)

What does Scania BMU fault code 909 mean?

What causes Scania DTC 909?

What are the symptoms?

How to fix Scania BMU fault code 909?

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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.