Scania SC DTC 11904 Tachograph, fault in GNSS receiver

SC SC control unit · Scania

Code 11904 (decimal). Some diagnostic tools show it in hexadecimal as 002E80.

In short

GNSS receiver in the tachograph has detected a manipulation of the system or that authentication of the GNSS signal has failed.

Applies to: SC5 (TCO)

What does Scania SC fault code 11904 mean?

What causes Scania DTC 11904?

How to fix Scania SC fault code 11904?

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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.