SitKneelBend
Moderator
Staff member
Member Relations Specialist
- Joined
- Jan 8, 2015
- Posts
- 11,004
- Reaction score
- 7,719
- Location
- St. Louis
- Ram Year
- 2014
- Engine
- 3.6 Pentastar
You may be right. I bought it new but the Express package deleted the 17" wheels and adds the 20s. Maybe they just didn't change the door stickers...39 psi is factory min. Don't know if RAM recommended less pressure perhaps on trucks that came equipped with the 17" wheels/tires ? or it be me possible if you bought the truck used that somebody changed the TPMS thresholds before you. i think if i remember correctly the trigger is 6-7 psi below your TPMS min threshold so tipically with 39 psi min the light in the dash will be triggered if the psi came below 33 or 32 psi, and it'll tell you to pump to 39 psi. in your case if it says fill it up to 34 then your low light is prob coming at 27-28PSI ? I have mine set at 32 psi, so i can go as low as 25 psi before the light gets tripped and i only need to pump 32 psi before the notification/light goes away.
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