Scania COMMUNICATOR DTC 773 Communication with alarm control unit

COMMUNICATOR Communicator (C200 / C300 / C400) · Scania

Code 773 (decimal). Some diagnostic tools show it in hexadecimal as 0305.

In short

The RTC control unit has not received any CAN messages from the alarm control unit within the expected time.

Applies to: C300

What does Scania COMMUNICATOR fault code 773 mean?

What causes Scania DTC 773?

What are the symptoms?

How to fix Scania COMMUNICATOR fault code 773?

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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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