With my second hand car, i got also an Pioneer F40 installed. The seller allready mentioned, that there are some issues with this device. As an it guy, i was optimistic to fix those issue(s) by myself.
After some researching, i found the pioneer service manual, different firmwares, the supertestmode-tool and maps. Following to service manual, i tried to re-install all software, but i'm failing at "3. PROGRAM FORCED WRITE"
My unit does fail at the first step:
If i perform all other steps, like the platform write - everything is rocking fine, but the unit is still not working as ex