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 S60 Base, 2.4 64FACTORY OEM SERVICE PROCEDURE
Differential Electronic Module (DEM) DTCS
DIFFERENTIAL ELECTRONIC MODULE (DEM) DTC INDEX
| Volvo Code | Description |
|---|---|
| DEM-000B | Oil pressure. Incorrect value (AW50/51 AWD) |
| DEM-0001 | Temperature sensor. Faulty signal (AW50/51 AWD) |
| DEM-0002 | Pressure sensor. Faulty signal (AW50/51 AWD) |
| DEM-0003 | System voltage. Faulty voltage (AW50/51 AWD) |
| DEM-0005 | Control valve. Faulty signal (AW50/51 AWD) |
| DEM-0006 | Feed pump. Faulty signal (AW50/51 AWD) |
| DEM-0007 | Hydraulic pressure. Incorrect value (AW50/51 AWD) |
| DEM-0008 | Control module. Internal fault (AW50/51 AWD) |
| DEM-0009 | Control module. Internal fault (AW50/51 AWD) |
| DEM-000A | Power supply. Incorrect value (AW50/51 AWD) |
| DEM-E000 | Control module communication. Faulty communication (AW50/51 AWD) |
| DEM-E003 | Configuration fault. Faulty configuration (AW50/51 AWD) |
Factory Service Tools
Use the Manual With the Right Hardware
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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.