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2022 Hummer EV
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6 Posts
If the power tonneau does not operate, recalibrate the top by pressing the open/close buttons together for 10 seconds. Refer to Pickup Box Cover Package Installation, Calibration Procedure section in SI. If the top fails to calibrate then crawl inside the bed to the front and push in the release lever on the Tonneau motor unit. (Passenger side of vehicle white color -glow in the dark.) Top can then be opened manually. Once open, pull the lever back out to re-engage the motor. from: https://static.nhtsa.gov/odi/tsbs/2022/MC-10210894-0001.pdf
 

· Registered
2022 Hummer EV
Joined
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6 Posts
Hey Jeremy!

You are the man! This is when I love the internet. I was able to get it closed with the little button. Push in, pull out, etc... I didnt even remember that was there.

Anyhow, the motor did not come back to life, but I am very happy that I was able to close and secure my bed again.

Thank you!
Happy to help! Did you happen to try holding both buttons down for 10 seconds? - That should trigger a recalibration. That fixed mine when it wouldn't close all the way.
 
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