Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Cable between radio and CD changer, checking
1999 Audi A8 BaseSECTION Cable between radio and CD changer, checking
- Switch radio off.
- Simultaneously press and hold MODE button (Concert radio) or button no. 4 (Symphony radio) on radio while turning radio on.
- Release buttons.
If the cable connection is OK:
The radio display indicates: "CONCERT" and "CD."
If the cable connection is NOT OK:
The radio display indicates: "NO CDC."
- Check electrical connections on CD changer.
- Repeat check as described above.
If not OK:
- Check wiring connections. See SYSTEM WIRING DIAGRAMS .
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.