Code Sub-Code -------- -------------- 01-D5 190-55-D Absence of Registration Unit AUDIO H/U Error occurred 13 times 01-DC 1C6-87-F Transmission Error GATEWAY Error occurred 16+ times 01-DC 190-8B-F Transmission Error AUDIO H/U Error occurred 16+ times (If same sub code is recorded in other components, check harness for Power supply and communication system for all components shown by Sub-code) 62-46 Scratched / Reversed Disc 62-42 Disc Cannot be read (change disc, clean disc, try another) 62-45 Eject Error (Clear DTC; Recheck DTC; Replace radio receiver) NOTE: There is no indication of a current indication or date and time for these codes To clear the DTC codes press CLEAR for 3 seconds To clear the current and past DTC codes, as well as the connected device names press and hold Memory clear for 3 seconds.