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.
2007 Volvo XC70FACTORY OEM SERVICE PROCEDURE
Differential Electronic Module (DEM) DTCS
DIFFERENTIAL ELECTRONIC MODULE (DEM) - DTC INDEX
| DTC | Description |
|---|---|
| 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. Internal fault (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, calibration fault. Internal fault (AW50/51 AWD) |
| DEM-0009 | Control module Analog/Digital converter. Internal fault (AW50/51 AWD) |
| DEM-000A | Power supply. Faulty voltage (AW50/51 AWD) |
| DEM-000B | Oil pressure. Incorrect value (AW50/51 AWD) |
| DEM-000C | Control module. Faulty hardware (AW50/51 AWD) |
| DEM-E000 | Control module communication. Faulty communication (AW50/51 AWD) |
| DEM-E003 | Configuration fault. Faulty configuration (AW50/51 AWD) |
| DEM-XXXX | Unknown diagnostic trouble code (DTC) for the current control module version (AW50/51 AWD) |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.