Scania COMMUNICATOR DTC 770 Communication with the engine management system (EMS)

COMMUNICATOR Communicator (C200 / C300 / C400) · Scania

Code 770 (decimal). Some diagnostic tools show it in hexadecimal as 0302.

In short

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

Applies to: C300

What does Scania COMMUNICATOR fault code 770 mean?

What causes Scania DTC 770?

What are the symptoms?

How to fix Scania COMMUNICATOR fault code 770?

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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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