Scania ALM DTC 259 Secondary wake-up signal, short circuit

ALM ALM control unit · Scania · 2 variants

Code 259 (decimal). Some diagnostic tools show it in hexadecimal as 0103.

In short

The secondary wake-up signal is short-circuited to ground.

Variant 1

Applies to: ALM1 (ALM)

What does Scania ALM fault code 259 mean?

What causes Scania DTC 259?

What are the symptoms?

How to fix Scania ALM fault code 259?

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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.

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