Scania BMU DTC 822 Changed polarity on the 24 V side of the direct current converter E84 (DCC)

BMU Battery Management Unit · Scania · 2 variants

Code 822 (decimal). Some diagnostic tools show it in hexadecimal as 0336.

In short

Changed polarity on the 24 V side.

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 822 mean?

What causes Scania DTC 822?

How does the system react?

How to fix Scania BMU fault code 822?

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Variant 2

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 822 in other Scania systems

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