How to change TPMS after rotating tires

[Bobcatou]

I was going to save myself a little money and rotate my own tires. After I do this though, the tire pressure monitors in the tires will be wrong in the tires. There a way to change these to the correct location on my info screen?

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[Je1279]

To my knowledge, they correct themselves after a few miles based on their new positions.

 

[Bobcatou]

To my knowledge, they correct themselves after a few miles based on their new positions.

Would be nice, but how do they know their new location?

 

[hotrodmex]

Would be nice, but how do they know their new location?

They definitely do.

I couldn't ever find specifics on how it detects. It could be the raw signal strength>distance, but that seems inaccurate. It could be there are motion sensors inside each TPMS sensor and the sensors broadcast on every revolution, essentially giving the car something to match the ABS speed sensor data to. Could be gnomes.

 

[roadPilot]

Would be nice, but how do they know their new location?

Yes, they correct themselves. It's based on how far away they are.

 

[hotrodmex]

Yes, they correct themselves. It's based on how far away they are.

Do you know that for sure, as in have a source? I would think this would cause issues in a 5-tire rotation with TPMS (I 5-tire rotate and have no detection problems), unless the detection is fine enough where it could detect the 1-2 feet difference between all the tires at the back, while two are rotating closer and farther, and the signal strength would vary with battery level.

EDIT: I don't have access to my workshop manual here at work, but I could imagine there might be one antenna for each wheel, or even like the ABS sensor is hall effect for the hub and also is an antenna for the TPMS.

 

[UGADawg96]

Ask Jesse Pinkman, they use magnets

 

[Moe7]

You'll be fine with a standard 4-tire rotation. Mine had problems with a 5-tire so I take the extra 2 minutes to reset them every rotation.

The Ford 'TPMS19 TPMS Reset Tool' makes it easy and can be picked up for less than $10. You can also do it without the tool by letting a little air out of each tire during the reset procedure in the manual.

 

[tbinmd]

just drive, they will correct the locations in 3-5 miles.

 

[roadPilot]

Do you know that for sure, as in have a source? I would think this would cause issues in a 5-tire rotation with TPMS (I 5-tire rotate and have no detection problems), unless the detection is fine enough where it could detect the 1-2 feet difference between all the tires at the back, while two are rotating closer and farther, and the signal strength would vary with battery level.

EDIT: I don't have access to my workshop manual here at work, but I could imagine there might be one antenna for each wheel, or even like the ABS sensor is hall effect for the hub and also is an antenna for the TPMS.

I don't believe the factory spare includes a TPMS sensor.

Older trucks only had one antenna. I've read that the newer trucks have one @ each wheel area, which is how a 5 tire rotation could work.

I've also read that some systems determine TPMS sensor location based on wheel speed and direction of rotation, which works in correlation with turning in different directions. That's why it takes longer for it to learn new positions if you were to just hop on the road and go in a straight line vs making a few turns in a short period of time.

 

[JohnTrigger]

You could test whether it learns them or not by deflating one to say 30 PSI and filling one to 40 as you rotate them with the others at say 35 and see if it recognizes the new locations after a short drive. Keep track of where you install the lower and higher pressure ones. Then reset all to proper psi regardless of the test result.

The ‘24 owners manual below has the reset procedure. It says you must do this after rotation if your fronts and rears are different pressures. If your tires are the same pressure, it thus implies this isn’t necessary. In other words, it doesn’t specifically say that you have to do this on each rotation unless you have tires that take different pressures. That said you could do this procedure regardless if it’s truly required or not.

https://www.fordservicecontent.com/...A&div=f&vFilteringEnabled=False&buildtype=web


You could also buy one of these as far as I know and just do this each time regardless. .
https://www.amazon.com/Arozk-Programming-Activation-Motorcraft-Transmitter/dp/B0816DTM8M/ref=sr_1_3?crid=I6P7FM87PYDM&dib=eyJ2IjoiMSJ9.UN_A39g264yGZVs6kjAzEWplVGHYl5rDCzF4mRLyBoqWHqhqZMrLGI3beCo7Mn-gE6_pMfcOR8BM4IKtw5Fki-rBY_CxZGtjGuMfZWrnSfgEZLmkwc90EMnyin_7E8micOj5DnCGLaDUsuknwQUv2-UH7zAskysoHlKHs8RYq4C6fI4oWB5_6cPSrSZqKKPs7Ud5KRcJXIejVPgJxFyrN0GfUNWIVeHkIBf2Zw44GRA.5eu-1EOGHJ_kUsSgHE6wIesJsk835dgGh0RlmLPn9HE&dib_tag=se&keywords=ford+tire+sensor+programmer&qid=1737059905&sprefix=Ford+tire+,aps,109&sr=8-3

 

[Je1279]

Would be nice, but how do they know their new location?

Automagically.

 

[hotrodmex]

I don't believe the factory spare includes a TPMS sensor.

It does not, but I included in my comment that I do 5-tire rotate. I have another factory rim and oversized AT tire.

I also over-inflate the spare a bit so it is less likely to be under pressure if needed, which would also be easy to identify if it was being read.

 

[Dakar09]

Every TPMS I've ever used is self-calibrating and corrects on their own. I've never had to do anything to any of my vehicles, even with after-market tire/wheel packages and new TPMS sensors. Just drive it.

 

[Sig Oris]

Would be nice, but how do they know their new location?

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