Help with Active Exhaust valve control on 6th gen Camaro SS

[EMTNLSS]

I have a 2016 Camaro SS with the exhaust valves. In HPTuners I see under System > General that's there a Active Exhaust section. Has anyone messed with these to see if it changes when the valves open or close? I want to see if when it's in Track mode I can make them stay open all the time. Stock they will still close even when i'm just cruising at 40mph in Track mode and you have to give it a decent amount of gas for them to open again. I know I can pull the fuse for them but I would prefer to be able to put it in Stealth in the mornings when i leave then Track anytime else. Any help would be great. Thanks.

[TriPinTaZ]

I think 2018 C7 Corvette is the first year that HPTuners can actually access the Exhaust Control Module and change their functionality.

Otherwise the only way to keep them open is to pull the fuse or install a Forza or Mild to Wild exhaust controller. This would allow you to program your Homelink buttons to open/close the valves. You have to set your exhaust to stealth mode and just use the Forza or M2W controller so they are either open or closed full time.

[Auto-Hentzschel]

I think, there is a bug in the editor. I work on a 2015 Z28, for German law I need to change the valve settings more to close. but whatever I do the valves do the same like before. also if I complete disable the exhaust valve system... the valves working like stock. I sacrificed 3 credits for this :-( HP Tuners seems not to change this feature.

[EMTNLSS]

So I changed Exhaust Valve Enabled to Disabled and it disabled them. I would change the modes between Stealth and Track and they would stay open. So it definitely affects them. I just don't know what any of the tables mean and what to change on them. I guess i'll continue logging them and messing with them and see what happens.

Here's what some of the tables look like.

[Auto-Hentzschel]

what ever you change in the tables, its always the same.
even if you disable the Exhaust Valve complete. its still working like before. It looks like the software doesn't change the exhaust settings. I lost 3 Credits for that :-(

[Tapout Tuning]

I would also love access to these settings on the E92 and E92A controllers used in the 2016 through 2018 Cadillac ATS-Vs. However, different sources have stated the valves are controlled by the BCM or the CCM, rather than within the PCM.

[Engineer@HPT]

what ever you change in the tables, its always the same.
even if you disable the Exhaust Valve complete. its still working like before. It looks like the software doesn't change the exhaust settings. I lost 3 Credits for that :-(

Which vehicle an OSID did you work on? On some applications the fuel control part has been moved to the ECM. Perhaps the exhaust control has also been moved to the ECM on those.

[Auto-Hentzschel]

Exhaust Valve.jpg

see the OS

[EMTNLSS]

what ever you change in the tables, its always the same.
even if you disable the Exhaust Valve complete. its still working like before. It looks like the software doesn't change the exhaust settings. I lost 3 Credits for that :-(

I changed the Exhaust Valve Enabled to Disabled and it disabled the valve for me. Changing it to stealth and the valves would still be open. These settings seem to be in the FSCM for me. I haven't messed around with the tables yet though as i'm trying to figure out how it uses them so I can't say if changing anything in those actually works yet.

[Engineer@HPT]

I would also love access to these settings on the E92 and E92A controllers used in the 2016 through 2018 Cadillac ATS-Vs. However, different sources have stated the valves are controlled by the BCM or the CCM, rather than within the PCM.

I'm pretty sure the FSCMs are supported on those cars already. Try version 4.0 please.

[Engineer@HPT]

Exhaust Valve.jpg

see the OS

The exhaust valve control should be in the FSCM in this case. I know others are reporting success changing settings on this FSCM type. Can you please email support a debug? Would like to make sure the FSCM actually gets written.

[Auto-Hentzschel]

I not have write the FSCM, because the editor say me with red letters, "brakeable" should I write FSCM?

[Engineer@HPT]

Yes. The controls you're trying to change are in the FSCM.

[Tapout Tuning]

Yes. The controls you're trying to change are in the FSCM.

Would this also apply to the 2016 through 2018 Cadillac ATS-V with E92 and E92A controllers? If so, should I also download version 4.0 and give this a shot?

[Engineer@HPT]

Would this also apply to the 2016 through 2018 Cadillac ATS-V with E92 and E92A controllers? If so, should I also download version 4.0 and give this a shot?

I can't say with certainty. Please get an infolog while connected to the vehicle and I can verify for you.

[Engineer@HPT]

Update: 16-18 ATS-V are supported, but those particular modules have DTC only support at this time. They do not have the tables shown above.

[Tapout Tuning]

Update: 16-18 ATS-V are supported, but those particular modules have DTC only support at this time. They do not have the tables shown above.

Appreciate you looking into this. Is there any way to get these tables added? I've been requesting them since last year. Have written forum posts and sent in support tickets (#111620 and 112532) as well.

https://forum.hptuners.com/showthrea...Cutout-Control

[Engineer@HPT]

I've reopened one of your tickets and it's in my queue. Will investigate as time permits and keep you posted.

[Tapout Tuning]

I've reopened one of your tickets and it's in my queue. Will investigate as time permits and keep you posted.

Much appreciated. Thank you!

[Auto-Hentzschel]

should I write the FSCM? even it it say me brakeable?