Scania BMU DTC 1431 Pre-charge circuit, Fault in contactor or resistor

BMU Battery Management Unit · Scania

Code 1431 (decimal). Some diagnostic tools show it in hexadecimal as 0597.

In short

When connecting the electric power output R126, a pre-charging circuit fault was detected.

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 1431 mean?

What causes Scania DTC 1431?

How does the system react?

How to fix Scania BMU fault code 1431?

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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.