VOLVO
DDM-0047 - Power supply. Signal too low
System
Driver Door Module (DDM)
Volvo models this fault code applies to
Applies to the following models:
5 modelsS60 (2001–2009), S80 (1999–2006), V70 (2000–2008), V70 XC / XC70 (2001–2007), XC90 (2003–)
What does this fault code mean?
The door module (DDM) has registered that its supply voltage is too low compared with the supply to the CEM. The automatic window closing, electric windows and central locking may then fail to work properly.
Possible causes
- Supply voltage to the door module too low
What you can do
- 1Read out and note the fault code, clear it, then check with ignition on that the windows run to their end stops
- 2Check that the battery is charged and that the battery terminals are clean and tight
- 3Check that the interior fuse for the door module in the interior fuse box is intact and seated properly
- 4Check the connectors on the door module and in the wiring for oxidation, loose contacts and damage
- 5With ignition off, use a multimeter to confirm the supply wire from the door module to the battery has no contact with ground (body)
- 6If the fault remains, have a workshop check the supply to the door module
Symptoms you may notice3
- Automatic window closing does not work
- Electric window lift does not work
- Central locking does not work at all
General guidance for car owners. Diagnosis on the car can point to a different cause.