Warranty Voiding Question
10-02-2014, 01:48 AM
#21
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Member Since: Nov 2005
Location: Ossining New York
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St. Jude Donor '07-'08-'09-'10-'12-'13-'14
Omg!
Not true. The TECH II GM scan tool cannot find any trace of a tune once returned to stock-but the global platform cars (Camaro etc) are accessed with the GDS 2 system and same tracks calibration history as well as CVN's.
Bottom line- nothing is impossible, and if someone is truly losing sleep over the subject,they shouldn't do any mods.
Bottom line- nothing is impossible, and if someone is truly losing sleep over the subject,they shouldn't do any mods.
OMG! THANK YOU. Finally someone on Corvette Forum that understands how it works.
Yes, you are correct and finally someone other than me has explained it how it really works.
The TECH II can NOT see the programming history and the MDI/GDS can.
MOST tuned and mildly modified cars make it thru warranty without playing games or hiding anything.
GM is very good insofar as warrantying their vehicles goes.
They have a GREAT product and they stand behind it.....
Obviously more serious mods can be blamed for powertrain failures but they mostly leave people alone
with headers, intakes, tunes, and such.
Cams and blowers..... Not gonna happen.
They are not stupid and they have always been fair with people so far as I have seen.
Chuck CoW
10-13-2014, 10:53 PM
#22
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Ears wide open.. How confident are you in this response? No checksum data or other parameter is permanently altered?
If I copy my original tune, and have an issue, flash it back, they can not detect it, correct?
Can you share with us your background / first hand experience in this area?
https://www.corvetteforum.com/forums...post1570945598
"Just for fun, I went and checked my tune compared to he factory list of CVN's for my VIN and it does not match. I re-flashed mine to stock with HP tuners and it still showed a difference from what is online. After flashing it using a Tech II, the CVN's finally matched up, but the order they're listed in changed, probably showing big brother that at some point the programming had been re-written. "
If I copy my original tune, and have an issue, flash it back, they can not detect it, correct?
Can you share with us your background / first hand experience in this area?
https://www.corvetteforum.com/forums...post1570945598
"Just for fun, I went and checked my tune compared to he factory list of CVN's for my VIN and it does not match. I re-flashed mine to stock with HP tuners and it still showed a difference from what is online. After flashing it using a Tech II, the CVN's finally matched up, but the order they're listed in changed, probably showing big brother that at some point the programming had been re-written. "
Last edited by Arclight; 10-13-2014 at 11:07 PM.
10-14-2014, 07:38 AM
#23
Burning Brakes
Thread Starter
I have decided to go ahead and have Chuck CoW install his Tune, CoW Booster, and Stat this weekend at the Corvette Expo in Sevierville, TN. Thanks to all the opinions and experiences.
10-14-2014, 11:25 AM
#24
Le Mans Master
I've got a tune & headers and just was denied warranty coverage for a fluid leak on a transmission line. My tune had nothing to do with a bad seal on the line, but denied anyways. He says to me I didn't buy the car here anyways. Well I own 3 vehicles and he has just insured I don't ever buy from them.
