Fault Code 8503

8503 - TV tuner

Antenna amplifier at outer rear window - open circuit

NOTE: The colour coding and number of the coaxial cable can only be distinguished on the TV tuner plug

Diagnostic conditions
- PCM2 switched on

Possible cause of fault
- Coaxial cable no.3 (red) not connected to TV tuner or antenna amplifier at outer rear window
- Coaxial cable no.3 (red) faulty
- Antenna amplifier at outer rear window faulty
- TV tuner faulty

Diagnosis/troubleshooting

Part 1:

Part 2: