Scania ALM DTC 550 Micro switch lower storage area passenger side (truck)/micro switch A9 (bus), open circuit

ALM ALM control unit · Scania · 2 variants

Code 550 (decimal). Some diagnostic tools show it in hexadecimal as 0226.

In short

Open circuit in the micro switch.

Variant 1

Applies to: ALM1 (ALM)

What does Scania ALM fault code 550 mean?

What causes Scania DTC 550?

How does the system react?

What are the symptoms?

How to fix Scania ALM fault code 550?

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Variant 2: Micro switch for lower storage compartment on the passenger side, open 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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