B2785

Theft Protection - Incorrect Vehicle ID

B2785:

Fault symptoms
RADIO LOCKED displayed on SID.
No sound from the loudspeakers.

Conditions
The main unit receives theft protection information over the bus from DICE and TWICE. If the theft protection information is not correct, diagnostic trouble code B2785 is generated.

If programming of anti-theft protection for the main unit (marriage or divorce) is performed without DICE and TWICE on the bus, diagnostic trouble code B2785 is generated.

Diagnostic help
See Replacing the audio system.
Replacement of Audio System