TPMS Alert Issue
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More Turbo
Joined: Mar 2024
Posts: 546
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TPMS Alert Issue
Hello, I got a low tire alert (not sure why since the tire displayed was only 2PSI low and in the shade while all the rest had been sitting in the sun). Anyway. I followed the directions:
Key on Hazards pushed 3 times - horn honk and panel states to proceed.
Aired down each tire until the horn horn honked for each and panel said programing complete.
I then filled the tires back up to the 56PSI I run when empty expecting the issue to be resolved - Wrong.
Now when I start it I get the alert that the 2 rear tires are low and the symbol on the dash is illuminated..
Anyone have issues with not being able to reset the sensors? I might give it another try in the morning when it's cool outside. If it does not work a second time I may go talk to my buddy at discount tire. I'd hate to run it through the stealership for something so minor.
Key on Hazards pushed 3 times - horn honk and panel states to proceed.
Aired down each tire until the horn horn honked for each and panel said programing complete.
I then filled the tires back up to the 56PSI I run when empty expecting the issue to be resolved - Wrong.
Now when I start it I get the alert that the 2 rear tires are low and the symbol on the dash is illuminated..
Anyone have issues with not being able to reset the sensors? I might give it another try in the morning when it's cool outside. If it does not work a second time I may go talk to my buddy at discount tire. I'd hate to run it through the stealership for something so minor.
Logistics Pro
Joined: Mar 2005
Posts: 3,535
Likes: 2,501
From: West Michigan
You either need to go into forscan and change the warning pai or the rear wheels or air them up to something like 65 psi. They are set to 80 psi in the rear, and the waring comes on about 60.
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More Turbo
Joined: Mar 2024
Posts: 546
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I don't have forskin.
Will the alert go away when I air them up to tow or will I have to jump through the relearn hoops again?
It's strange I got the warning. I've been running empty at 56PSI for a while with no issues..... I enjoy the truck a lot less at 65+ PSI.
Will the alert go away when I air them up to tow or will I have to jump through the relearn hoops again?
It's strange I got the warning. I've been running empty at 56PSI for a while with no issues..... I enjoy the truck a lot less at 65+ PSI.
Laughing Gas
Joined: Jul 2020
Posts: 975
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Uh you might want to watch your spell check pal.
Tuned
Joined: Jan 2023
Posts: 304
Likes: 164
I just did this on my 23 last month after a tire rotation and had no issues. Did you drive it over 20mph for at least 2 min before you started the reset procedure? As djousma mentioned, if you can’t change the values in FORSCAN, then you might have to run your rears over 60.
Lead Driver
Joined: Dec 2020
Posts: 8,640
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The one time I had a tire trigger the TPMS alert, it took me filling to recommended PSI for the light to go out. No relearn procedure, just drive it.
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Rather Be Rid'n!
Joined: Nov 2023
Posts: 448
Likes: 205
From: SE Massachusetts
Kidding aside, I run 56-58 F, 60-62 R cold. I also lowered the warning threshold with FORSCAN.
I know you do not have it, maybe someone local does and can adjust it for you.
Where are you located?
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Logistics Pro
Joined: Mar 2005
Posts: 3,535
Likes: 2,501
From: West Michigan
And just for the record, "retraining" procedure is only for telling the truck what sensor is at what location. does nothing to retrain tire pressures. Also Forescan is free, just have to buy a bluetooth or wired OBD adapter to do the changes. that was the first change I made to my new truck, lowering the PSI to 60 all the way around so that the warnings dont come on when I air down to 60 all the way around.
Mountain Pass
Joined: May 2015
Posts: 123
Likes: 21
From: Or
What is the pressure shown on the jamb sticker? You shouldn't get an alert until right around 20% above or below the recommended PSI. If you have a 250 with recommended 65 PSI rear, I wouldn't expect the alert to come on until around 52 PSI.
The one time I had a tire trigger the TPMS alert, it took me filling to recommended PSI for the light to go out. No relearn procedure, just drive it.
The one time I had a tire trigger the TPMS alert, it took me filling to recommended PSI for the light to go out. No relearn procedure, just drive it.
Lead Driver
Joined: Dec 2020
Posts: 8,640
Likes: 2,433
They vary a bit depending on wheel size and sometimes option pkg (like Tremor). With 20" wheels on a 250, they list 65 on the rear. No idea what the OP is working with, just giving him an example. Your TPMS light should come on right around 60 PSI.
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