Scania BMU DTC 1031 Propulsion battery cooling circuit, pressure too low

BMU Battery Management Unit · Scania

Code 1031 (decimal). Some diagnostic tools show it in hexadecimal as 0407.

In short

The pressure in the propulsion battery cooling circuit has been below 3 bar, which is too low.

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 1031 mean?

What causes Scania DTC 1031?

How does the system react?

What are the symptoms?

How to fix Scania BMU fault code 1031?

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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.

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