I'm thinking the problem is the lack of R1 and R2 in the PCB design. I wrote to the designer but got no answer. I'm a total newbie, can someone help me get this running ? PS: My car is a 2012 C30 T5. Try to comment out CEM_PN_AUTODETECT: https://github.com/vtl/volvo-cem-cracker/blob/master/volvo-ce...

Almost any digital electric circuit needs a common ground between its parts. Try it with door open, but without key. With key in position 0, 1 or 2. Remove CEM_PN_AUTODETECT: https://github.com/vtl/volvo-cem-cracker/blob/master/volvo-cem-cracker.ino#L14 (in that case you may need to tweak LS/HS spe...

nikemen wrote: ↑22 Oct 2024, 18:08 Because of what it says in the code:

Code: Select all

comment out for P2 CEM-L on the bench w/o DIM

I'm sorry, I'm trying to understand.

The cracker was started as P2 2004+ (CEM-L) project.