M mglander New member Joined Aug 8, 2022 Messages 1 Reaction score 0 Points 0 Aug 8, 2022 #1 2015 Traverse. RPM surge between 1st and 2nd shift. No codes pulled when it was hooked up to the diagnostic tool. Anybody else run into this issue?
2015 Traverse. RPM surge between 1st and 2nd shift. No codes pulled when it was hooked up to the diagnostic tool. Anybody else run into this issue?
zora Staff member Joined Apr 24, 2012 Messages 5,516 Reaction score 139 Points 63 Aug 8, 2022 #2 What kind of diagnostic tool, capable of reading transmission codes or just ECM codes? Upvote 0 Downvote
