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Old 09-25-2012, 04:20 PM   #1
ChesterWRX
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Default Cobb AP Stage 1 vs. TPMS Programing at dealer service dept. question

i did a search and did NOT see the answer so i apologize in advance.

i'm running the Cobb AP and just put steel wheels and tires on. i have an appointment at the dealer to get TPMS sensors installed and registered to my car. the place where i got the wheels and tires could not program aftermarket TPMS sensors, so i'm kinda stuck. i know i could ignore the light, but it's really annoying.

so, will they have to mess with the ECU to program new sensors?

i did a quick internet search and got mixed information as well. i'm specifically asking because of the Cobb AP.
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Old 09-25-2012, 05:38 PM   #2
Black94Snake
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yes, the programming is done through your ECU. however there not modifying anything in your computer that would have to do with your tune. all the data that would be written to your car will be put into the body control module. if you are really that concerned about it you can just unmarry your AccessPORT
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Old 09-25-2012, 06:00 PM   #3
Andrewxxcarlson
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^^^^ this is correct
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Old 09-25-2012, 07:28 PM   #4
ChesterWRX
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cool, thanks!

i may or may not uninstall (un-marry) when i go in & re-do when i leave.

-chet
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Old 09-26-2012, 08:30 AM   #5
Cobb Tuning
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Quote:
Originally Posted by ChesterWRX View Post
cool, thanks!

i may or may not uninstall (un-marry) when i go in & re-do when i leave.

-chet
I would go and ahead and uninstall the AccessPORT. Although it won't impact anything to do with the TPMS, sometimes the dealer will attempt to update the ECU at the same time as they do other work. In that case, their attempt will fail (our ECU changes prevent this so they can't overwrite your AccessPORT install). When it fails, they may spend wasted effort trying to diagnose an issue with your car that does not exist.

Bill
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