Scania BMU DTC 1558 Contactor unit electrical power take-off, short circuit

BMU Battery Management Unit · Scania

Code 1558 (decimal). Some diagnostic tools show it in hexadecimal as 0616.

In short

During pre-charging, the voltage was found to increase too slowly.

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 1558 mean?

What causes Scania DTC 1558?

How does the system react?

How to fix Scania BMU fault code 1558?

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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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