Scania CUV DTC 594 Switch for spotlights in sun visor

CUV Visibility system · Scania · 2 variants

Code 594 (decimal). Some diagnostic tools show it in hexadecimal as 0252.

In short

The sun visor-mounted spotlight switch has been sending an error message to the control unit for more than one second.

Variant 1

Applies to: CUV2

What does Scania CUV fault code 594 mean?

What causes Scania DTC 594?

How does the system react?

How to fix Scania CUV fault code 594?

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Variant 2: Switch for roof-mounted spotlight

Applies to: CUV3 (VIS)

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

Code 594 in other Scania systems

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