Electronics issues during track days

[Rapacious]

I only have issues on track days. While driving, I suddenly lose drive mode selection, blind spot monitoring, traction control, cruise control, rev-match, and I no longer have the gear indicator (manual) on the left side of the screen. I drive a '19 Bullitt. When I turn the car off and back on, everything returns to normal.

My biggest concern is that I utilize auto-rev match and it disables it as well. Last track day as I was hard braking down from 135mph to turn 1 at Sebring I locked up the rear tires as the rev-match didn't work and I tried to heel/toe but unfortunately, I didn't rev high enough. I would like to get more proficient at heel/toe and I understand I need to, but I practice on the road as I am still learning. I don't feel comfortable practicing on the track just yet.

I have 0 engine mods and I do not have any tunes. I do have Forscan and have only used it to change the tire sizes and mute the reverse backup beeps as they are extremely loud stock. When I hook up my ODB Bluetooth reader, it does not show any error codes even when the car was displaying the wrench icon.

Has anyone encountered similar issues or offer recommendations?

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[NightmareMoon]

Well ya. Thats the downside to replying on the electronics to do the driver’s work for you.

Check the wheel hubs for play, replace any failed bearings, and clean the wheel speed sensors and it will “probably” go away.

Normally people will say to pull the ABS plug which disables traction control and probably rev match, but in your case you probably want those crutches, which is perfectly fine.

Practice heel toe on the street but look for safe places and times to brake deep. Doible clutxhing is fun to learn and practice too. It takes a few months or a year of daily practice rev matching to get a good feel for it but as I think you’ve discovered, on track its better to skip thr rev match and be a tad slower rather than botching a downshift and breaking rear traction in a braking zone or worse, mid corner. Once you have the heel toe learned well, its a skill that can last a lifetime.

 

[Snellemin]

Happened to my bullitt a few times. Cleaned everything around the brakes and never saw the issue again.

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