Scania BMU DTC 1554 Contactor unit R125, current lower than requested

BMU Battery Management Unit · Scania

Code 1554 (decimal). Some diagnostic tools show it in hexadecimal as 0612.

In short

Charging cancelled. Measured current has been lower than requested and lower than consumed during charging.

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 1554 mean?

What causes Scania DTC 1554?

How does the system react?

What are the symptoms?

How to fix Scania BMU fault code 1554?

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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.

Code 1554 in other Scania systems