2020 Tahoe poor key fob range

[Havasubum]

This is an FYI for anyone having trouble with the range and performance of the key fob. I was having problems with my 2020 Tahoe's door locks. The door handle button would often fail to work especially in the summer heat. Also, the remote start wouldn't work unless I was right next to the car. Dealership found a TSB for bad antenna modules. They replaced the module and everything works great.

[nfisherman]

Yep. There's another thread about this on here somewhere. It happened to me last month. All fixed under warranty. 

[Bob2C]

It’s the antenna amplifier located behind rear seat on passenger side above window. I chose to do it myself even though I am still under warranty. About 25 bucks from rockauto and 30 min of my time. I just didn’t feel like finding greasy fingerprints on my headliner


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