TPMS Reset Issue

[Agswin]

It has been cold here in Texas last week, so I got a TPMS fault in the front passenger tire because it was 30 psi when all the others were 31 psi. It has warmed up over the last few days and now all 4 tires are reading at 34 psi, but every time I turn on the Bronco, I get this message and cannot find a way to clear or reset it. Any help would be appreciated.

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[orion]

Air them up above 35 psi. I think that is the "stock" threshhold setting and factory tire pressure is 38 psi from what I remember.

 

[Agswin]

Will try that, just find it odd that it says only 1 tire is low

 

[orion]

Will try that, just find it odd that it says only 1 tire is low

It's probably right on the edge of being too low. I know that when I air down and back up it will look like that, all same pressure but one is still in low alarm. I air all up at the same time so equal pressure in all.

 

[Agswin]

Do larger tires have a different psi rating and if so where would I find that info?

 

[Cobrafang]

Do larger tires have a different psi rating and if so where would I find that info?

usually on the side of the tire but you can also check the manufacturer web site or use Google search for proper air pressure for your tire.

 

[JBlanco]

Top of the line Ford programming. Obviously 34 is lower than 34 because it's on the right side... Please learn some math!

 

[rtazz17]

I changed my alert to 15 psi. I run mine at 25 on pavement and lower on trail.

 

[Bigmoose]

Top of the line Ford programming. Obviously 34 is lower than 34 because it's on the right side... Please learn some math!

Ha. Learn some programming.

The TPMS system uses basic alert hysteresis mechanisms. This is needed so a reading right at the threshold doesn’t constantly trigger on and off. So in this case the low tire alert triggers at 30 but doesn’t clear until 35.

 

[JBlanco]

Ha. Learn some programming.

The TPMS system uses basic alert hysteresis mechanisms. This is needed so a reading right at the threshold doesn’t constantly trigger on and off. So in this case the low tire alert triggers at 30 but doesn’t clear until 35.

 

[rpeary]

I changed my alert to 15 psi. I run mine at 25 on pavement and lower on trail.

Please do share how you changed the alert threshold!?!

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