B2785

Read the instructions below then start the fault diagnostic procedure.

Symptom: RADIO LOCKED displayed on SID. No sound from the loudspeakers.

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 .