Scania BMU DTC 22794 Propulsion battery, unreasonable voltage values

BMU Battery Management Unit · Scania

Code 22794 (decimal). Some diagnostic tools show it in hexadecimal as 00590A.

In short

The difference between the propulsion battery voltage with UI sensor T282 and the total voltage from all cell monitoring circuit boards is too great.

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 22794 mean?

What causes Scania DTC 22794?

How does the system react?

How to fix Scania BMU fault code 22794?

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