Won’t unlock Tcm and ecu

Post here with any questions regarding the use of the i2 on supported Chevrolet, GMC, Cadillac, Buick, and Pontiac applications.

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Mohr4461
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Joined: Sun Sep 20, 2026 10:06 am

Won’t unlock Tcm and ecu

Post by Mohr4461 »

Everything is updated but still won’t tune I bought the i3 for 2017+ for Gm but it won’t work so I need to buy the 900 kit or what do I need to do it’s updated
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mikel
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Joined: Tue Jan 16, 2007 1:17 pm
Location: DiabloSport World Headquarters
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Re: Won’t unlock Tcm and ecu

Post by mikel »

what vehicle are you trying to tune specifically?
and what device are you using?
Mike Litsch
DiabloSport Brand Manager
Diablo Tech support by phone:
561-908-0040
M-F 8:00 AM to 5:00 PM EST
[email protected]
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