Scania BMU DTC 1552 Contactor unit R125, current too high during charging

BMU Battery Management Unit · Scania

Code 1552 (decimal). Some diagnostic tools show it in hexadecimal as 0610.

In short

Charging with an external battery charger was terminated because the measured current has been higher than permitted, 200 A, for at least one second.

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 1552 mean?

What causes Scania DTC 1552?

How does the system react?

How to fix Scania BMU fault code 1552?

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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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