Description Of On-Board Diagnostics

Radio System, On Board Diagnostic (OBD)

General notes

Technical features of radio systems
The new generation of Audi radio systems has extensive On Board Diagnostic (OBD) capability.

All radio units have a Diagnostic Trouble Code (DTC) memory. If a malfunction occurs in one of the components or wires monitored by the system, a record of the type of malfunction is stored in the DTC memory.