BMU 1585 Scania Contactor unit electrical power take-off, CAN communication fault

BMU Battery Management Unit · Scania

Code 1585 (decimal). Some diagnostic tools show it in hexadecimal as 0631.

In short

Message from E175 BMU to E81 BMU indicates that the contactors are stuck in the closed position.

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 1585 mean?

What causes Scania DTC 1585?

How does the system react?

What are the symptoms?

How to fix Scania BMU fault code 1585?

Read the full explanation with Premium

Causes, system reaction, symptoms and step-by-step repair instructions for every fault code are available to Premium members.

  • Full explanations of every code and brand
  • Causes, symptoms and repair steps
  • New brands and codes included

Yearly plan: pay 10 months, get 12. Cancel at any time.

This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.

Code 1585 in other Scania systems

Compare code 1585 in every system →