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Old Sep 11, 2020 | 07:52 PM
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Help! 2011 Grand Sport haven't been driven in two months after charging, car started but displayed code U1010 ( transmission control module), traction control light on and security light on, while driving the car don't want to shift into higher gear, battery was tested 13.1. Any thoughts.
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Old Sep 11, 2020 | 08:04 PM
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Since these issues showed up after just sitting for a couple of months, I would try deleting the code and/or disconnecting the battery negative cable for 15 minutes and then re-connecting. If you still have problems after that, then dig deeper.
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Old Sep 11, 2020 | 08:11 PM
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Did that no change, it's at the dealer now but they can't seem to figure it out
yet.
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Old Sep 12, 2020 | 08:19 AM
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Originally Posted by Bat66
Did that no change, it's at the dealer now but they can't seem to figure it out
yet.
Fast Dawg replied to your thread in C6 General
https://www.corvetteforum.com/forums...143-u1010.html
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Old Sep 16, 2020 | 04:56 PM
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Update: the problem was the TCM wiring harness.
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Old Sep 16, 2020 | 11:50 PM
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Glad you fixed it, thanks for sharing.

This will help someone else with the same issue, Too often people post problems but never post the fix.
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