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"Service Tire Monitor System" Alert, 2019 Trail Boss, Can see Back Right Tire does not have PSI

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Hi there, looking to get support on how to deal with this alert. I have a 2019 Custom Trail Boss Silverado.

Is it just a bad sensor? How do you replace? Do I need special tools?



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Swing by Discount Tire if you have them. They can swap out the tpms and program it. Probably cheaper than a dealer. 


Might think about replacing all of them at the same time. 

Edited by Jus Cruisin
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GM sensor batteries last longer than aftermarket ones that tire shops use. Been there on many previous vehicles with TPMS. It's part of the tire valve assy. I bring my own sensors since tire will be needed to be broken down and rebalanced. 

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