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  #11  
Old 05-20-2013, 01:58 PM
davem2421 davem2421 is offline
Dodge Ram Forum Senior Member
 
Join Date: Sep 2012
Location: Orlando
Age: 38
Posts: 77
Gender: Male
Vehicle: 2012 Ram 1500
Trim Level: ST 4X2 1500 QUAD CAB
Color: Silver
Engine: 2008-20?? 287ci (4.7L) PowerTech V8 310hp 330lb/ft
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davem2421 will become famous soon enough
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around christmas time I had a nail in my tire and took it to the dealer to have it repaired, when I got it back the tire pressure sensor was still reading it was low but all 4 tires read 37 psi. called them up and took it back and after about an hour of waiting the guy came around, said they figured it out. the 2012's changed the PSI to 40 and the reason it was still on after I left was because we didn't reach the threshold of 40, once at 40 the PSI can change +/- 5psi before the warning light goes off.

I'd say you are dipping below 35PSI which is kicking on the light and when your tires heat up it's expanding causing it to go off.

I bet if you pump it up to 40PSI it will stop that from coming up.
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