Volvo 2003 – 2004 & 2005+ P2 Cars
Follow these steps if you are unable to connect to your DEM.
While the car is running, check for power at the following fuses:
fuse #17 (2003 – 2004 cars)
fuse #23 (2005+ cars) on the REM. Is there power to both fuses?
YES = Please refer to our DEM diagnostic flow charts for further instructions
NO = You have a faulty REM
Flow charts for Volvo 2003-2004
Flow charts for Volvo 2005+