Scania ALM DTC 597 Micro switch extra sensor 3 (truck) / micro switch E3 (bus), short circuit

ALM ALM control unit · Scania · 2 variants

Code 597 (decimal). Some diagnostic tools show it in hexadecimal as 0255.

In short

The micro switch is short-circuited to earth.

Variant 1

Applies to: ALM1 (ALM)

What does Scania ALM fault code 597 mean?

What causes Scania DTC 597?

How does the system react?

What are the symptoms?

How to fix Scania ALM fault code 597?

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Variant 2: Micro switch extra sensor 3 (truck)/micro switch E3 (bus), short circuit

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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