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Tpms

lobster6529

By lobster6529
in Ask A GM Technician

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lobster6529 New Member

lobster6529

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GM recommends 80psi rear BUT when I'm not towing I want 50psi rear this activates the TPMS warning light and computer to display Low Tire Pressure message. I must press the button on the dash twice (left & right rear) to remove the warning EVERY TIME I start the vehicle. Can I get the computer to accept that I CHOOSE to have 50 psi in the rear? Is there a sequence I can implement when I tow and when I'm not? I understand there is. Dealers have been NO help. Please, give it up!! Thanks

 

2009 GMC 2500HD W/T 4x2 w/tow

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