2019 GT Auto Rev Match not working after gutting cars

[btizzle]

I recently had 2 2019 GTs built for track use only, but now the auto rev match on downshift does not work in either car.. Both cars had AC and stereos removed, along with a bunch of other stuff. No codes are being thrown. both cars have custom tunes.

Any ideas? BCM maybe? I don't know shiznit about these cars..

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[JCN]

My first thought is ask tuner if they disabled it.

 

[btizzle]

My first thought is ask tuner if they disabled it.

Already asked, he didn’t mess with that feature. I will probably ship ECUs to him if I can’t find a solution just to double check.

I can’t be the first person to strip a 2019+ for dedicated track use, someone’s gotta have some insight.

BTW both cars are basic GTs (non premium) with PP1 packages.

 

[Crew4991]

Maybe the auto rev match was removed for "weight savings" along with the radio and AC...

It isn't that hard to downshift manually, but I get the irritation. Who the hell knows what happened to it in the mess of tunes/modded upgrades. Since no codes are showing up I would start with the ECU or BCM; then check with your tuner.

 

[ice445]

I'm assuming you unplugged something that functions as a pass through for the sensor on the transmission that reads what gear you're in.

 

[btizzle]

I'm assuming you unplugged something that functions as a pass through for the sensor on the transmission that reads what gear you're in.

Good theory, I will try following the wires.

 

[KingKona]

Another "I f'd with my car, and now it's broke, tell me how to fix it." thread.

 

[Finally21]

Another "I f'd with my car, and now it's broke, tell me how to fix it." thread.

Haven’t seen your positive comments lately, thought you being an ass finally got you banned. Guess not.

 

[btizzle]

Another "I f'd with my car, and now it's broke, tell me how to fix it." thread.

lol..

I bet you are fun at parties.

 

[WItoTX]

Check above both pedals at those connections. To get a real good look you will need to pull the drivers seat and lay on your back to see what is going on up there. It took more time to remove the seat and plastics.

I just added a blip module to my car, and struggled to wiggle them in there to make the connections.

 

[btizzle]

Check above both pedals at those connections. To get a real good look you will need to pull the drivers seat and lay on your back to see what is going on up there. It took more time to remove the seat and plastics.

I just added a blip module to my car, and struggled to wiggle them in there to make the connections.

thanks, but to clarify, I do not have an aftermarket blip setup. The OEM blip feature is not working anymore.

 

[Vlad Soare]

Both cars had AC and stereos removed, along with a bunch of other stuff.

I bet that's where your problem lies. What exactly did you remove?

 

[WItoTX]

thanks, but to clarify, I do not have an aftermarket blip setup. The OEM blip feature is not working anymore.

Yeah, make sure the connections above the pedals are fully connected.

Just curious, do all the pedals still work and the cars still dive just fine? My guess would be one of the clutch pedal sensors got knocked out of its hold (it's really easy to do, they just sort of twist in, and mine was just about to fall out actually), and therefore the car does not know you are engaging the clutch. I would check both sensors on the clutch pedal.

 

[Vlad Soare]

The fact that both cars have the exact same issue tells me that the culprit is unlikely to be a loose connector. Two different cars underwent the same modifications (i.e. having a bunch of stuff removed), and both of them exhibited the same symptom afterwards. That can't be a coincidence. There must be something in that bunch that the ARM needs.

 

[btizzle]

Yeah, make sure the connections above the pedals are fully connected.

Just curious, do all the pedals still work and the cars still dive just fine? My guess would be one of the clutch pedal sensors got knocked out of its hold (it's really easy to do, they just sort of twist in, and mine was just about to fall out actually), and therefore the car does not know you are engaging the clutch. I would check both sensors on the clutch pedal.

I agree with Vlad above, but I am still going to check this! maybe the shop forgot to reconnect both clutches!

The carpet was removed as well..

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