2015 C7 VSS code P0503 problem
Thread Starter
Intermediate
Joined: Oct 2017
Posts: 27
Likes: 4
From: York Pennsylvania
2015 C7 VSS code P0503 problem
cel light came on after doing a burnout at the track. Made the car limp out of launching and reduce power. I found some posts about this problem on the 2015 models. My question is can the dealership do an update for the ecm that will permanently fix this issue. And will it affect my tune on the car. It’s a heads cam c7 lt1 7 speed
