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TPMS on 10,800 GVWR trucks


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I am looking for some logical reason that GM will not let you order TPMS on trucks with a > 10,000 lb GVWR. Switching from 10,000 to 10,800 GVWR removes all auxiliary airbags and the TPMS. You can re-add the airbags to the configuration, but if you try adding TPMS, the configuration is forced back down to a 10,000 GVWR.

 

Obviously the TPMS _must_ be included in a 10,000 lb or less GVWR vehicle by law, but why on earth would one be prevented from purchasing the option in a vehicle with a higher GVWR?

 

Can the dealer reflash the vehicle to add the functionality (obviously, one would have to purchase the appropriate valve stems for the vehicle as well) ?

 

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Yeah, I can do fine without it. Actually, I run lower tire pressures when empty on my 2500HD. TPMS has a cow and I ignore it. But there are many TPMS systems available aftermarket if one really felt the need for one. Just don't know how I survived all those decades from the late 60's till recently without TPMS. Add daytime running lights and it is amazing we ever survived at all. And my over 4 million miles in semi trucks without TPMS.... That is truly a miracle!

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Most of us order a 3500 to avoid getting TPMS as it is a joke.

 

Unlike the early systems, I really like the new GM systems. They're accurate to within 1PSI and I can actually tell if the load on the back isn't centered by the tire pressure differentials. I also do a lot of switching back and forth between unladen driving, hauling cargo, and trailering, as well as changing altitude by over a mile, and driving in daily temperatures that can vary over 60 degrees.

 

That all said, the TPMS save me time in not having to check all four tire pressures every day (especially when towing or hauling), let me spot check the pressure on the road, as well as give warning if I've gotten a tire puncture and am slowly losing air. I'd rather catch the tire when it's only lost a few lbs of air, before the carcass is damaged.

 

Old TPMS systems that simply lit up an idiot light on the dash when one of the four tires was 5PSI low were as close to useless as imaginable, but these new systems have really grown on me, and I hate to lose the convenience.

 

Back to my original point, though- why on earth does GM remove the OPTION of having the TPMS just to print up a 10,800 GVWR sticker? I can't figure it out...

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Not a cluse honestly. I want to say that its because its not required so they didn't bother but...its no excuse that they can't have it since the 2500 has it. Ford and Dodge..err...Ram...show it available on 1 ton trucks except dually but they don't specify on any GVWR restriction so they might do the same thing as GM.

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