E92 GMC missing table

[Eng.LSX]

Greetings ,

I just noticed that there's a missing table that keeps playing with timing on GMC pickups , I used to tune them with hptuners without any problems .

It's related to humidity and it was labeled as " VCP humidity adder dry " in HPT , even though there are humidity spark and multiplier in efilive , none of them did the trick and I had to use HPT .

Please add this table .

Attached stock file .21911

[GMPX]

So there is a spark and multiplier already, what does the missing table do, add additional timing over the base humidity spark?

[Eng.LSX]

So there is a spark and multiplier already, what does the missing table do, add additional timing over the base humidity spark?

No idea , but it adds additional timing to main spark table .


21915

The tables highlighted by green are the ones that available in efilive but the ones in red are the missing ones which have the major affect .

[GMPX]

Ok I pass it on to the guy mapping these, hopefully they are not too hard to locate and figure out.

[Eng.LSX]

Ok I pass it on to the guy mapping these, hopefully they are not too hard to locate and figure out.

Hope so , thank you for your help .

The question is why most cars aren't affected by those missing tables , like (CTS-V , corvette , camaro , etc ) ? I have only seen them doing work on trucks.

[Eng.LSX]

Ok I pass it on to the guy mapping these, hopefully they are not too hard to locate and figure out.

Any updates on this ?

[Eng.LSX]

I'm still having this problem and the latest update didn't solve it , the tables are still missing .

[wesam]

Hope so , thank you for your help .

The question is why most cars aren't affected by those missing tables , like (CTS-V , corvette , camaro , etc ) ? I have only seen them doing work on trucks.

I noticed the same thing in 2015+ truck only
Not in Camaro nor Corvettes
The timing will be 4-5 degrees less than the high octan table after flashing the ECM and never found the table which cause this

[Eng.LSX]

I noticed the same thing in 2015+ truck only
Not in Camaro nor Corvettes
The timing will be 4-5 degrees less than the high octan table after flashing the ECM and never found the table which cause this

That what I was getting first but then I've narrowed it down to 2 degrees less the the main spark which lead me to the missing table that I found using hptuners , which related to humidity .

And yes it's only with the trucks , too bad HPT is way ahead now a days .

[wesam]

The problem is the spark will go back to the high Octane after nearlly 20 min of driving
And yes I tried adjusting the octane scaller without luck
So there is a table thats a time dependant which will cause the timing to be decreased for arround 20 mins after ECM reflash

[wesam]

Its very bad that I have to add 4-5 degrees of timing to high octane table the when I finish tuning the car I have to subtract it again and advice the customer that he will see the maximum performance after 20 mins

[cindy@efilive]

Tables B1954 and B1955 spark humidity modifiers for cam phaser position min and max have now been added for 41 operating systems and will be available in the next release.

The calz for the OS in this thread is attached. If you require any more ahead of the next software build please let me know.

Cheers
Cindy

[wesam]

Thanks a lot Cindy would you mind to post the calz for OS
12670948
12683365
12677878
12663390

[cindy@efilive]

Here you go Wesam,

Cheers
Cindy

[Eng.LSX]

Tables B1954 and B1955 spark humidity modifiers for cam phaser position min and max have now been added for 41 operating systems and will be available in the next release.

The calz for the OS in this thread is attached. If you require any more ahead of the next software build please let me know.

Cheers
Cindy

That's great .

[wesam]

This OS also please
12672612

[cindy@efilive]

Here you go.

Cheers
Cindy

[Eng.LSX]

The missing table was added to the new update , thanks .

[Andyb756]

The missing table was added to the new update , thanks .

I