I am comming to the finish line with the 5.3 LMG swap into my 1997 Tahoe.
One last thing is, I do not get all the conditions that AFM is enabling.
After going through all the necessary conditions it seems that one thing that could inhibit V4 mode is the vacuum brake booster pressure sensor. It is read by the EBCM and then distributed via the CAN bus. So here's the problem, there is no easy way to get that sensor status on the CAN bus without an EBCM.
Are there any possibilities EFIlive could disable some modules / conditions so that my E38 ECM is able to switch to V4 mode?
Any suggestions?
Harald