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  1. S40 & V50 (2005-2012)
    Hey guys, I’m trying to understand the wiring diagram of the CEM but I have trouble to figure out which pin sits on which connector. In the wiring diagrams that you can find online, the CEM section starts on page 36 and connections are annotated with “A:10”, “H:21 and so on. So my guess is...
  2. R Forum (2004-2007)
    So I'm having an issue with my brake lights not turning off and my sunroof not functioning. I've been looking for a diagram layout of the CEM and REM labeling the relays/shunts and their function. If anyone can provide this or point me in the right direction, it will be greatly appreciated...
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