Track Days & HPDEDiagnostic helpCommunity Starter

2018 Cadillac CTS-V — first HPDE in a stock street car

CommuterNomad729Community StarterApr 23, 20262018 Cadillac CTS-VRaleigh
I am doing my first beginner track day and do not care about lap records. Besides fresh brake fluid, enough pad, good tires and torque checks, what is truly necessary versus internet overkill?
permalink

1 replies

PistonCamperCommunity StarterCommunity StarterApr 23, 2026permalink
I wouldn't throw parts yet. Get a real battery/charging test on the 2018 Cadillac CTS-V, not just resting voltage, before blaming a module. Don't erase codes until someone who can help has seen them. Post the numbers (or the code) and people can get more specific. Next check is the cheap one I can do in a driveway.
Sign in to reply

Similar discussions