I had the brake issue after using the app and after they flashed the truck for the brake related service call.This bulletin as been issued for the issue with the app,
Same thing happened to me after the recall was done,and I started the truck with the app.
there is a bulletin issued on January 6th and GM confirmed to my dealer that it is in fact a bug with the app that the brake issue is cause by starting the truck with the app.
On my service ticket it says not to use the app.
Hope this help.
I would install the extensions cause you are still adding one inch in length to the assembly by switching your block.
this way your shock will have less tension on it and will perform as stock.
Sorry I don't have the exact kit description as it's a friend who owns a garage that does all my work.
He mentioned that the leveling kit was a rough country ,and that there was no rear block therefore the choice of adding only one inch rear block to keep a rake when I tow.
As I mention before if you do add a rear block, order shock extension brackets as well.
guys, this is the update they used on mine to solve the break pad issue , well for now it has been two weeks and I am a 99%.
this update was for my service ABS issue an dealer said it's the same update for break pad life issue .
issue no#3 is related to issue #1