Volvo S40 (2004–2013) – Differential Electronic Module (DEM) fault codes
13 fault codes
The same fault code can mean different things depending on model year and engine. Each meaning is therefore shown on its own row, with exactly which cars it applies to.
| Code | Meaning |
|---|---|
| DEM-0001 | Temperature sensor. Faulty signal2005–2010 · Transmission AW50/51 AWD, M66 AWD only |
| DEM-0002 | Pressure sensor. Faulty signal2005–2010 · Transmission AW50/51 AWD, M66 AWD only |
| DEM-0003 | System voltage. Faulty voltage2005–2010 · Transmission AW50/51 AWD, M66 AWD only |
| DEM-0005 | Control valve. Internal fault2005–2010 · Transmission AW50/51 AWD, M66 AWD only |
| DEM-0006 | 0006 Feed pump. Faulty signal2005–2010 · Transmission AW50/51 AWD, M66 AWD only |
| DEM-0007 | Hydraulic pressure. Incorrect value2005–2010 · Transmission AW50/51 AWD, M66 AWD only |
| DEM-0008 | Control module calibration fault. Internal fault2005–2010 · Transmission AW50/51 AWD, M66 AWD only |
| DEM-0009 | Control module Analog/Digital converter. Internal fault2005–2010 · Transmission AW50/51 AWD, M66 AWD only |
| DEM-000A | Power supply. Faulty voltage2005–2010 · Transmission AW50/51 AWD, M66 AWD only |
| DEM-000B | 000B Oil pressure. Incorrect value2005–2010 · Transmission AW50/51 AWD, M66 AWD only |
| DEM-000C | Control module. Faulty hardware2005–2010 · Transmission AW50/51 AWD, M66 AWD only |
| DEM-E000 | Control module communication. Faulty communication2005–2010 · Transmission AW50/51 AWD, M66 AWD only |
| DEM-E003 | Configuration fault. Faulty configuration2005–2010 · Transmission AW50/51 AWD, M66 AWD only |