Hey Guys. We are working with a unique project and would like to resolve our charging system issues. The vehicle is a 2007 Tahoe LTZ SUV with a GM LS7 7.0L engine and GM 4L80E transmission.
First of all, see our most recent attached tune file...
We have had the OEM 07 Tahoe PCM & TCM flashed with a new VIN for a vehicle with a 4L80E transmission, for proper operation.
We are having another issue with the charging system on the vehicle, ever since the computers were flashed & the tune was altered for the new 4L80E transmission. The "Service Charging System" error message randomly pops up on the display at times, during starting or driving.
I appreciate everyone's help... Please advise.