Scania BMU DTC 1571 Contactor unit electrical power take-off, deviating voltage

BMU Battery Management Unit · Scania

Code 1571 (decimal). Some diagnostic tools show it in hexadecimal as 0623.

In short

An excessive deviation is detected between the propulsion battery voltage and the measured voltage to the electrical power take-off contactor unit during operation.

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 1571 mean?

What causes Scania DTC 1571?

How does the system react?

How to fix Scania BMU fault code 1571?

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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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