Scania ACC DTC 40992 LIN communication

ACC Automatic Climate Control · Scania

Code 40992 (decimal). Some diagnostic tools show it in hexadecimal as A020.

In short

Communication fault between the control unit and the LIN bus.

Applies to: ACC3

What does Scania ACC fault code 40992 mean?

What causes Scania DTC 40992?

How does the system react?

What are the symptoms?

How to fix Scania ACC fault code 40992?

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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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