2019 Chevrolet Express 2500 - E4399 (Error Retrieving Controler Data) When Trying To Program New Side Object Modules
Body shop replaced rear bumper and repaired left rear quarter panel. Due to damage, they also replaced rear object modules and sub harness. Vehicle was brought to me to program new modules. While trying to program, got code e4399 on the new GM programming interface
Do you have communication and or codes with the modules?
Yes, communication to both modules and each module stores a code for not programmed B101E:42. Can go into modules and make side view mirrors light up with a bulb check.
Check part number. Most of those have left and right(master and slave) I have seen wrong part numbers and also inverted installation
UPDATE: Installed broken original module on left side and original right side (both had factory programming) and everything worked as it should. Problem is in GM programming software or whatever they want to call it now. Terrible is the word that comes to mind