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.
2003 Volvo XC90 Base, FWDFACTORY OEM SERVICE PROCEDURE
Audio Module (AUD) DTCS
AUDIO MODULE (AUD) - DTC INDEX
| DTC | Description |
|---|---|
| AUD-0001 | Control module. Internal fault |
| AUD-0002 | Loudspeaker left front. Signal missing |
| AUD-0003 | Loudspeaker right front. Signal missing |
| AUD-0004 | Loudspeaker left rear. Signal missing |
| AUD-0005 | Loudspeaker right rear. Signal missing |
| AUD-0006 | Loudspeaker left front. Signal too high/low |
| AUD-0007 | Center loudspeaker. Signal too high/low |
| AUD-0008 | Loudspeaker right front. Signal too high/low |
| AUD-0009 | Loudspeaker left rear. Signal too high/low |
| AUD-000A | Loudspeaker right rear. Signal too high/low |
| AUD-000B | Loudspeakers front. Signal too high/low |
| AUD-000C | Loudspeaker rear. Signal too high/low |
| AUD-000D | Control module. Over heated |
| AUD-000E | Microphone terminal. Signal missing |
| AUD-000F | Microphone terminal. Signal too high |
| AUD-0010 | Microphone terminal. Signal too low |
| AUD-0011 | Buttons headset 1. Signal missing |
| AUD-0012 | Buttons headset 1. Signal too low |
| AUD-0013 | Buttons headset 2. Signal too low |
| AUD-0014 | Buttons headset 2. Signal missing |
| AUD-0015 | Buttons headset 3. Signal missing |
| AUD-0016 | Buttons headset 3. Signal too low |
| AUD-0017 | Buttons headset 4. Signal missing |
| AUD-0018 | Buttons headset 4. Signal too low |
| AUD-0019 | Headset panel left. Activated too long |
| AUD-001A | Headset panel right. Activated too long |
| AUD-XXXX | Unknown diagnostic trouble code (DTC) for the current control module version |
Factory Service Tools
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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.
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