How many features can be re-programmed in these trucks? Is there a list?

[PatDTN]

Cutting the battery cable is standard for many reasons. Unfortunately air bags have residual power that takes time to bleed off. We have to try to get them out of the way mostly. It's a pain and time consuming.

Air bags work pretty well. People who get injured by them are mostly out of position which can cause the wreck. Reaching for that phone that fell on the floor, leaning over to tune the radio, leaning forward to take your shoes off or put them on, reaching for french fries on the passenger seat...

I built the original web site for NHTSA and while I was there took the opportunity to look at pictures of people killed in crashes. I don't recommend it but with the engineers explaining things it was informative.

The Ad Council made a commercial that was funny and informative. It showed a family of four in a Ford station wagon when a car coming the other way drops two wheels off the road and yanks the car back on the road straight at the family. Time freezes and the dad turns and tells everybody to buckle up because we're going to be in an accident. Everybody buckles and the picture fades to the sound of a crash.

There are some things you want to have done before impact. But there's not much time. Get your thumbs outside of the steering wheel is one of the few things you can get done. Sitting back in the seat and squared up in the seat is also good.

Too much preaching... Sorry. (Not sorry enough to not post it.)

 

[MarvinVR]

Ive seen a lot regarding taking power from bags or even taking them out. Never seen this in other types of car forums! Are bags a problem in these?!

 

[MarvinVR]

I don't have the bandwidth to give you a comprehensive listing of all of the items that you can program for your truck from a quality bi-directional scanner. I would say to you that if you are truly interested, then purchase a quality bi-directional scanner (~$500) and connect to the GM programming database. There, you will already be in the specific available programming area for your truck (membership subscription usually is confined to 1 VIN at a reasonable price), and you can see specifically what programming options are available to you. It is not a high cost subscription, so if you are not impressed, you have not lost any significant money.

For example, if you don't already have this document, it explains all of the different items that the legacy Tech 2 could interact with on the truck's systems. Look into in more deeply, you should be able to determine what items are data only items, which items are manual test items, and which items are potentially programming items. It surely is a lot.

Let us know what you think.

Thanks very much!

 

[MarvinVR]

My dad never taught me how to make donuts in a parking lot, in snow or otherwise. Sometimes I wish I was adopted ...


Funny I did the exact same thing with a 91 suburban and my two daughters in empty Walmart parking lots at night.

 

[j91z28d1]

Ive seen a lot regarding taking power from bags or even taking them out. Never seen this in other types of car forums! Are bags a problem in these?!

nah, they all basically come from the same manufacturer. remember that recall they just had over airbags. everything from gm to Toyota all had the same manufacture.

being this is a suv form and not more of a sports car forum where you just build everything into a race car. you get more adults thinking about their familys here.

 

[Marky Dissod]

There are some things you want to have done before impact. But there's not much time.

Get your thumbs outside of the steering wheel is one of the few things you can get done.
Sitting back in the seat and squared up in the seat is also good.

Been teaching driving students to do those two things since 2003.

 

[j91z28d1]

I've noticed for a while now the quick one hour class guys take before going out on the track for their first time used to teach 10 and 2, light grip on the wheel and shuffle your hands for the tight turns to not cross your arms. at some point this philosophy must have changed to grab the wheel at 9 and 3, death grip seems OK and cross your arms up for tight turns.

I've seen so many clips of crashing where the guy is cross armed in his gt3 pushing off the road into tires, air bag comes out arms all crossed up wheel still full grip. but if you see a video of a older driver moving his handed. around. you see a 100 comments bashing his hand position. so someone is teaching this nonsense and getting arms broken.

 

[Rocket Man]

HPTuners is for engine/trans.
Autosync is for BCM.

hptuners can adjust some traction control off, but the ABS computer still brakes.
Only way I heard is to pull ABS fuse.

You can download hptuners for free

HP Tuners Software Downloads – HP Tuners

Download the latest version of HP Tuners' software, including VCM Suite BETA and stable, VCM Live, MPVIx drivers, and media information.

www.hptuners.com

Then just find a tune file like your truck to check out the features.

The Biggest Stock & Tuned ECU File Repository — Ewalt's Auto Tuning

Elevate your tuning with our massive file repository. We offer comprehensive stock files, custom tunes, and definition files for professional calibrators.

www.ewaltsautotuning.com

Autosync does have EBCM tuning, but only for later models.
btdieselworks.com has an autosync install guide that goes over hardware features.
https://cdn.shopify.com/s/files/1/0164/1950/files/GMT-900_AutoSync_G2_install_v1_rev.A.pdf
The optional programming features are mostly lighting and door lock adjustments.

how the hell does a guy figure out what any of those tunes do on ewaltsautotuning ? there’s no descriptions. All I want to do is turn off the DOD on my 08 Tahoe 5.3. I have a HPT MPVI2.

 

[mikez71]

You have to compare them to the stock files and see what's different.

DOD turn off?

 

[ZKWBQD]

As I peruse these topics I see mentions of many different things being programmable including even the emergency flasher into a strobe! I see many conversations and opinions about how to tune trannies, timing, God--on and on. Does anyone have a list of EVERYTHING that can be reprogrammed on a 2012 5.3? I HATE traction control and stabilitrak. Thats is why I started to look for modding then see all these other things.

The problem is, the things that people would like to program, but you cannot program. For example: Disable engine stop-start. (GM is eliminating this going forward.) Several gadgets are available that will disable this. Disable Daytime Running Lights. A wiring modification will do this. Unlike Toyota, and Jeep were just a few button presses, permanently disables daytime, running lights. (Don't do this in Canada, DRL's are a law there.) Automatic door locks. This is a tough one. People would like their doors to not automatically lock. This is one modification I have yet to do.

 

[mikez71]

Autosync with BCM programming can get rid of those auto door locks.

I'm planning to wire a couple switches regarding TC/Stabilitrak/ABS..

1. interrupt ground with switch for inertia sensor, should disable stabilitrak but hopefully leave ABS and traction control functioning..
(Have yet to test, but I believe you can also do steering angle sensor)

2. interrupt ground with switched relay to ABS unit to disable ABS, traction control and stabilitrak.

 

[MarvinVR]

The problem is, the things that people would like to program, but you cannot program. For example: Disable engine stop-start. (GM is eliminating this going forward.) Several gadgets are available that will disable this. Disable Daytime Running Lights. A wiring modification will do this. Unlike Toyota, and Jeep were just a few button presses, permanently disables daytime, running lights. (Don't do this in Canada, DRL's are a law there.) Automatic door locks. This is a tough one. People would like their doors to not automatically lock. This is one modification I have yet to do.

Oh yeah I hate the auto locks. Hate them.There has to be something one can do to stop that.

 

[Jdsfx1]

Please put something on your dash that clearly states the airbags have been removed. If we (firefighters) rock up on your crashed truck and the airbags should have gone off we're going to spend extra time making sure they don't suddenly change their mind. If we think the airbags should have deployed then it's fairly certain you're going to need more care quickly. Of course maybe you're going to save us all that extrication trouble and not wear your seatbelt too so you get thrown clear and we can just roll you onto a backboard.

I’m pretty sure no one will be expecting airbags in my vehicle

 

[Marky Dissod]

@mikez71, would you mind posting the rest of the 'Displacement On Demand' stuff that got cut off under the bottom of this pic?

Let it be known that there are several other ways to disable Engine Half@$$ that are more elegant and clever than the 'master switch'.
*Raise 'Min VSS' over the vehicle's top speed, for example. Still enabled, but it'll also never happen anyway.
*Raise 'Enable ECT' over 266F so Engine Half@$$ never happens anyway
*Lower 'Disable RpM' to 500RpM
*Lower 'TPS Max' and 'TPS Max Hysteresis' to 0.0%TPS
*Lower 'Max Time Lower' & 'Max Time Upper' to 0.0sec

Anyone noticing a pattern here ...

 

[Joseph Garcia]

Oh yeah I hate the auto locks. Hate them.There has to be something one can do to stop that.

I don't know what year truck you have, but on my 07, I can program out the auto door locks with my bi-directional scanner by connecting to GM.

 

[mikez71]

@mikez71, would you mind posting the rest of the 'Displacement On Demand' stuff that got cut off under the bottom of this pic?

Here ya go

I don't know what year truck you have, but on my 07, I can program out the auto door locks with my bi-directional scanner by connecting to GM.

I heard there was some BCM calibration file that GM could flash your truck with, but the dealer was no help..

 

[mikez71]

Oh yeah I hate the auto locks. Hate them.There has to be something one can do to stop that.

Yea I hated it so much I considered re-wiring them with less functionality or just disabling them and going back to manual locks!

Thank goodness for BTDieselworks.. I don't know the man, but I love him... in a man-car way..

 

[Joseph Garcia]

Here ya go
View attachment 472810

I heard there was some BCM calibration file that GM could flash your truck with, but the dealer was no help..

This was a simple re-program within their available software versions for that control module. The last time that I looked, there were 3 available software versions for that control module. The original, which contained the auto lock, the first update which removed the auto lock, and the second update which again contained the auto lock. There may well have been other changes within those software version updates, but the auto lock was the one that I noticed. Also, keep in mind that you can install these software version updates, but you cannot uninstall them and revert back to an earlier software version.

I believe that the reason for GM putting back the auto lock was due to a federal regulation requiring requiring auto lock. That may be changing with the impending relaxation of federal regulations.

 

[mikez71]

Interesting! That's a shame you can't revert back to earlier software after programming a later version..

 

[Bigburb3500]

This was a simple re-program within their available software versions for that control module. The last time that I looked, there were 3 available software versions for that control module. The original, which contained the auto lock, the first update which removed the auto lock, and the second update which again contained the auto lock. There may well have been other changes within those software version updates, but the auto lock was the one that I noticed. Also, keep in mind that you can install these software version updates, but you cannot uninstall them and revert back to an earlier software version.

I believe that the reason for GM putting back the auto lock was due to a federal regulation requiring requiring auto lock. That may be changing with the impending relaxation of federal regulations.

I believe it is part of regulation like you said… it’s a safety feature partially designed to keep the doors from opening during a car accident.

Maybe I’m a little slow but why do ppl not like auto-locks? It’s so non-intrusive and why on each would you care if the door is locked while in motion? Means someone cannot walk up to you and open the door at a red light and potentially keep the door closed during a car accident?