Scania BMU DTC 800 Discharging fault on the voltage class B circuit

BMU Battery Management Unit · Scania

Code 800 (decimal). Some diagnostic tools show it in hexadecimal as 0320.

In short

Discharging fault on the voltage class B circuit when shutting down the hybrid system.

Applies to: BMU5BMU6 (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 800 mean?

What causes Scania DTC 800?

How does the system react?

How to fix Scania BMU fault code 800?

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
Get Premium – 7,50 € / month I already have an account

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 800 in other Scania systems

Compare code 800 in every system →