Scania BMU DTC 830 Propulsion battery heater H32, short circuit to 24 V

BMU Battery Management Unit · Scania · 2 variants

Code 830 (decimal). Some diagnostic tools show it in hexadecimal as 033E.

In short

The propulsion battery heater is short-circuited to 30 voltage.

Variant 1

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 830 mean?

What causes Scania DTC 830?

How does the system react?

How to fix Scania BMU fault code 830?

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Variant 2: Propulsion battery heater

Applies to: BMU5

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

Code 830 in other Scania systems