Scania AUS DTC 77 Loudspeaker, open circuit

AUS Audio System · Scania

Code 77 (decimal). Some diagnostic tools show it in hexadecimal as 004D.

In short

Open circuit in the circuit to the mid-range loudspeaker in the rear left-hand door.

Applies to: AUS4 (CUI)

What does Scania AUS fault code 77 mean?

What causes Scania DTC 77?

How does the system react?

How to fix Scania AUS fault code 77?

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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.

Code 77 in other Scania systems