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.
2001 Volvo V40FACTORY OEM SERVICE PROCEDURE
Audio Module (AUM) DTCS
AUDIO MODULE (AUM) - DTC INDEX
| DTC | Description |
|---|---|
| AUM-1000 | Memory control Audio HU1205. Faulty signal |
| AUM-2000 | CD-servo Audio HU1205. Faulty signal |
| AUM-2100 | CD unit Audio HU1205. Faulty signal |
| AUM-3000 | GPS receiver Audio HU1205. Faulty signal |
| AUM-3100 | GPS antenna Audio HU1205. Faulty signal |
| AUM-6000 | Audio unit Audio HU1205. Faulty signal |
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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