B2785

Read the instructions below then start the fault diagnostic procedure.

Symptom: RADIO LOCKED shown on SID. There is no sound from the speakers.

B2785

Fault symptoms

RADIO LOCKED shown on SID.

There is no sound from the speakers.

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 will be generated.

If theft protection is programmed into the main unit (marriage or divorce) without DICE and TWICE being on the bus, diagnostic trouble code B2785 will be generated.

Diagnostic help

See Changing the audio system