Scania BMU DTC 819 The voltage is too high in the direct current converter E84 on the 24 V side

BMU Battery Management Unit · Scania · 2 variants

Code 819 (decimal). Some diagnostic tools show it in hexadecimal as 0333.

In short

The voltage exceeds 33 V 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 819 mean?

What causes Scania DTC 819?

How does the system react?

How to fix Scania BMU fault code 819?

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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 819 in other Scania systems

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