Scania BMU DTC 3162 Positive contactor, stuck in the open position

BMU Battery Management Unit · Scania

Code 3162 (decimal). Some diagnostic tools show it in hexadecimal as 000C5A.

In short

The control unit has interpreted that the contactor is stuck in the open position when the closed position has been requested.

Applies to: BMU7 (BMUA)BMU7 (BMUB)BMU7 (BMUC)BMU7 (BMUD)BMU7 (BMUE)BMU7 (BMUF)BMU7 (BMUG)BMU7 (BMUH)BMU7 (BMUI)BMU7 (BMUJ)BMU7 (BMUK)BMU7 (BMUL)BMU7 (BMUM)BMU7 (BMUN)BMU7 (BMUO)BMU7 (BMUP)

What does Scania BMU fault code 3162 mean?

What causes Scania DTC 3162?

How does the system react?

How to fix Scania BMU fault code 3162?

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 3162 in other Scania systems