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Old 11-16-2020, 04:43 PM   #11
Umbriel

 
Drives: 2016 Camaro SS
Join Date: Sep 2018
Location: Bartlett, TN
Posts: 1,121
Just for the next person to run into this a ground had rattled loose on the back of the driver's side head. The ground is shared by the ECM and TCM and neither had a ground and caused the issue.

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