Scania CUV DTC 543 Switch for main lighting

CUV Visibility system · Scania · 2 variants

Code 543 (decimal). Some diagnostic tools show it in hexadecimal as 021F.

In short

Incorrect or missing communication with switch for main lighting.

Variant 1

Applies to: CUV2

What does Scania CUV fault code 543 mean?

What causes Scania DTC 543?

What are the symptoms?

How to fix Scania CUV fault code 543?

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Variant 2

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 543 in other Scania systems

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