Scania ALM DTC 256 Control unit, high supply voltage

ALM ALM control unit · Scania · 2 variants

Code 256 (decimal). Some diagnostic tools show it in hexadecimal as 0100.

In short

ALM control unit E7 has detected that its supply voltage has exceeded 36 V.

Variant 1

Applies to: ALM1 (ALM)

What does Scania ALM fault code 256 mean?

What causes Scania DTC 256?

What are the symptoms?

How to fix Scania ALM fault code 256?

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Variant 2

Applies to: ALM1

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

Code 256 in other Scania systems

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