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Tuning / Diagnostics -- engine and transmission Tune and diagnostics for engines and auto transmission.

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Old 04-02-2010, 10:52 AM   #1
FUN4JT
 
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OnStar monitoring ECM changes?

If this question has been posed before my apologies for the duplicity. With OnStar being able to monitor engine and drive train
status can it also monitor ECM program changes, i.e., different tunes?
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Old 04-03-2010, 02:17 AM   #2
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The Onstar lovers will say no and the Onstar haters will say yes. I would think that doing this would put GM in a grey area from a legal standpoint. I've disabled mine simply because I don't need Onstar and I have a better use for the Sharkfin antenna.
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Old 04-03-2010, 10:10 AM   #3
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Quote:
Originally Posted by FUN4JT View Post
If this question has been posed before my apologies for the duplicity. With OnStar being able to monitor engine and drive train
status can it also monitor ECM program changes, i.e., different tunes?
NO

But they can see your quarter mile run speeds and if they zap you with the "stolen car" feature, your ride home will be limited to 10 MPH with the flashers on!
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Old 04-03-2010, 02:58 PM   #4
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how could they if all they're looking at is diagnostics. as long as you're no throwing codes. even then they wouldn't know why. don't give them so much credit. lol
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Old 04-03-2010, 03:07 PM   #5
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OnStar does not check to see if you tuned your ECM.
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Old 04-04-2010, 12:11 AM   #6
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This has been gone over a million times. Too many paranoid people out there. OnStar can't, doesn't, and won't look at your tune. Some people shouldn't buy cars if they are that paranoid.
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Old 04-04-2010, 08:14 PM   #7
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Thanks for the insight. Not overly enthusiastic about OnStar to begin with as it offers little to me so I will probably disable it.
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Old 04-05-2010, 08:59 PM   #8
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A guy at my office had OnStar come over the intercom and ask him if something was plugged onto the OBD port. He has a dash mounted tuner in a Chevy Silverado.
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Old 04-05-2010, 11:50 PM   #9
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This has been gone over a million times. Too many paranoid people out there. OnStar can't, doesn't, and won't look at your tune. Some people shouldn't buy cars if they are that paranoid.
Not true,

Yes on a common basis the answer would be no but when certain error codes or conditions get flagged then GM looks deeper.

Onstar connects to both the class 1 and 2 ( GMLAN) network and can query any module (controller) just as any OBD scanner or Tech-II can.

I have had customers who got calls from GM asking why they were doing high speeds to asking why torque values were higher then stock values.

There are hundreds of parameters and any one can be checked, even my wireless OBD scanner can do it but it is simple to know GM can look for any DTC codes which means it also can request any other PID value which includes all 8 CVN code segment IDs, when PCM was flashed to how many drive cycles DTCs existed or were reset.
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Old 04-06-2010, 11:37 AM   #10
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I have a customer who disabled AFM with his tuner and his monthly OnStar report says his AFM system appears to have shut down due to a problem and that he should get it to a dealership for a repair....LOL.
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Old 04-06-2010, 12:15 PM   #11
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Am I the only one here that wouldn't find it funny to tell the onstar advisor that comes over the speaker why I was going well over a buck in a 1/4 or that "yes, I know the factory ECM has been recalibrated out side the factory settings, how else would I get my car to run with a blower"

Maybe I'm just sick lol

Hey, you gota pay if you want to play.
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Old 04-08-2010, 04:29 AM   #12
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I think the point is that they can detect clues that may indicate modifications and they can can detect information (speed or whatever) that you may prefer to keep private. Whether they do so is a never ending debate on on this forum.
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Old 04-10-2010, 11:02 PM   #13
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I have a customer who disabled AFM with his tuner and his monthly OnStar report says his AFM system appears to have shut down due to a problem and that he should get it to a dealership for a repair....LOL.
LOL!! hahaha nice
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Old 04-11-2010, 12:12 AM   #14
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Since my original response, while accurate, does not reflect the complex relationship between OnStar and GM, allow me to elaborate.

When you get a tune, you are violating your warranty as far as your OEM is concerned. If your tune results in a problem that would otherwise fall under your powertrain warranty, you will be responsible for it.

OnStar can tell if some things are not original. OnStar, however, does not have any obligation to report potential warranty problems to GM. Besides, it is not possible for OnStar to tell if those issues are intentional tunes or just parameters that aren't correct by some sort of mistake. Rather than acting as spies for GM, OnStar has its own management and customer service structure.

In other words, GM serves you by providing you a product: your car. OnStar serves you by providing a service: vehicle telematics.

While OnStar was founded by and is owned by GM, OnStar does not report issues to GM. OnStar only reports to you, the customer, anything that might be wrong with your vehicle. If OnStar prioritizes warranty issues for GM, then it risks losing customers. People will complain that OnStar interfered with their warranty work and caused their warranties to be void. Instead, OnStar merely tells customers that something is outside of OEM parameters and asks you to schedule an appointment with your dealership. This is a great service for people who are completely stock and have a parameter out of whack. For tuners, you did this purposefully.

OnStar is a great service and a great value. For tuners, it is a little less of a service because its diagnostics will not be accurate. You've adjusted your parameters, causing OnStar to get some strange readings from your car. OnStar does not report these readings to GM's warranty department because it doesn't make sense to do so. Doing so will cost them customers, and their customers are dependent on an unnecessary service. Selling that service requires OnStar to cater to you, meaning that anything that could threaten your relationship with OnStar, including possible warranty issues, are not going to get reported.

Does that make more sense?
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Old 04-11-2010, 12:43 AM   #15
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Originally Posted by The_Blur View Post
Since my original response, while accurate, does not reflect the complex relationship between OnStar and GM, allow me to elaborate.

When you get a tune, you are violating your warranty as far as your OEM is concerned. If your tune results in a problem that would otherwise fall under your powertrain warranty, you will be responsible for it.

OnStar can tell if some things are not original. OnStar, however, does not have any obligation to report potential warranty problems to GM. Besides, it is not possible for OnStar to tell if those issues are intentional tunes or just parameters that aren't correct by some sort of mistake. Rather than acting as spies for GM, OnStar has its own management and customer service structure.

In other words, GM serves you by providing you a product: your car. OnStar serves you by providing a service: vehicle telematics.

While OnStar was founded by and is owned by GM, OnStar does not report issues to GM. OnStar only reports to you, the customer, anything that might be wrong with your vehicle. If OnStar prioritizes warranty issues for GM, then it risks losing customers. People will complain that OnStar interfered with their warranty work and caused their warranties to be void. Instead, OnStar merely tells customers that something is outside of OEM parameters and asks you to schedule an appointment with your dealership. This is a great service for people who are completely stock and have a parameter out of whack. For tuners, you did this purposefully.

OnStar is a great service and a great value. For tuners, it is a little less of a service because its diagnostics will not be accurate. You've adjusted your parameters, causing OnStar to get some strange readings from your car. OnStar does not report these readings to GM's warranty department because it doesn't make sense to do so. Doing so will cost them customers, and their customers are dependent on an unnecessary service. Selling that service requires OnStar to cater to you, meaning that anything that could threaten your relationship with OnStar, including possible warranty issues, are not going to get reported.

Does that make more sense?

Yes it does, and as an aside it has saved lives and i know this first hand. Besides I've run my car very hard and have never been contacted by Onstar.
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Old 04-11-2010, 01:13 AM   #16
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Originally Posted by SS Drifter View Post
The Onstar lovers will say no and the Onstar haters will say yes. I would think that doing this would put GM in a grey area from a legal standpoint. I've disabled mine simply because I don't need Onstar and I have a better use for the Sharkfin antenna.
How do you diable Onstar?
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Old 04-11-2010, 05:26 PM   #17
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Hmmm, If I was putting out thousands of muscle cars and giving them a 5 yr 100,000 mile warranty, I would have my other company that can monitor them do so and send reports. So........
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Old 04-11-2010, 05:43 PM   #18
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Hmmm, If I was putting out thousands of muscle cars and giving them a 5 yr 100,000 mile warranty, I would have my other company that can monitor them do so and send reports. So........
In the process, you'd be required to pay hundreds of people for their time monitoring those reports only to save thousands of dollars on the few that actually perform some sort of warranty fraud. In doing so, you'd spend more than you save.
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Old 04-11-2010, 06:19 PM   #19
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LOL!! hahaha nice
Hey Fedor, you got ONstar in Stary Oskol?
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Old 04-26-2010, 08:48 PM   #20
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OS disable

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How do you diable Onstar?
Push the button, when OnStar help answers.....tell them to disable. Or....... find the module in the trunk I belive and pull the plug! Now when it is stolen it cannot be tracked!
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Old 04-29-2010, 10:02 AM   #21
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OnStar is watching. Just like Santa Claus.
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Old 04-29-2010, 10:17 AM   #22
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Just disconnect the antenna wire.
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Old 04-29-2010, 02:15 PM   #23
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My cell phone's GPS can tell what speed I'm travelling. I'm sure they relay that info to the highway patrol and police..........
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Old 04-29-2010, 02:22 PM   #24
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My cell phone's GPS can tell what speed I'm travelling. I'm sure they relay that info to the highway patrol and police..........
I'm sure a certain political spectrum would love to see that happen but that is tinfoil hat material at the moment.
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Old 04-29-2010, 03:14 PM   #25
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Buy a guage or something that plugs into the OBD port and they can't run a diagnostic report. Here is what mine says when they email me.

OnStar Vehicle Diagnostics from your 2010 Chevrolet Camaro SS as of 04/26/2010

Dear Paul XXXXXX,

See your diagnostics report below for your vehicle's status.

Take advantage of Turn-by-Turn Navigation, included with your subscription. Voice-guided directions can take you almost anywhere. It's navigation at the touch of a button. Push your blue OnStar button to try it today.

VIN: xxxxxxxxxxxxxxxxx

GM Owner Center Online

No Issues Found Action Suggested Immediate Attention

Engine and Transmission System

We were unable to successfully complete a diagnostic test. This issue may be caused by an aftermarket device plugged into your vehicle's diagnostic port.
If an indicator light is lit on your dashboard, push your blue OnStar Button.

Emissions System

We were unable to successfully complete a diagnostic test. This issue may be caused by an aftermarket device plugged into your vehicle's diagnostic port.
If an indicator light is lit on your dashboard, push your blue OnStar Button.

Air Bag System

We were unable to successfully complete a diagnostic test. This issue may be caused by an aftermarket device plugged into your vehicle's diagnostic port.
If an indicator light is lit on your dashboard, push your blue OnStar Button.

StabiliTrak® Stability Control System

We were unable to successfully complete a diagnostic test. This issue may be caused by an aftermarket device plugged into your vehicle's diagnostic port.
If an indicator light is lit on your dashboard, push your blue OnStar Button.

Watch Video

Antilock Braking System

We were unable to successfully complete a diagnostic test. This issue may be caused by an aftermarket device plugged into your vehicle's diagnostic port.
If an indicator light is lit on your dashboard, push your blue OnStar Button.
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