(02-14-2025, 11:07 PM)IMAY2023 Wrote: Well on my replacement s90 seats, lumbar support does not work if the engine is not running. It might be also software difference between the modules.
Assuming that you have check if you are indeed getting power on the PIN 15. If still does not work, try with the other module.
Swapped the seat controllers back to the ones that the seats came with and now everything works!
The part number was 1 number different.
I ordered repair wires from volvo and routed the wires inside the original looms to make it look OEM.
Thank you so much for your help, it truly means a lot!!