Scania BMU DTC 4242 UI sensor for propulsion battery, short circuit to voltage supply

BMU Battery Management Unit · Scania

Code 4242 (decimal). Some diagnostic tools show it in hexadecimal as 001092.

In short

The control unit indicates a short circuit to voltage supply on the pins for earthing UI sensor T282.

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 4242 mean?

What causes Scania DTC 4242?

What are the symptoms?

How to fix Scania BMU fault code 4242?

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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.

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