TPMS...relearn a lower pressure?
Senior User
Joined: Apr 2005
Posts: 400
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From: Orlando Florida
Are you talking about the TPMS retrain procedure? I've done it so many times I'm sure I mumble it in my sleep. Ignition on > flasher three times > let pressure out of driver front tire til the horn sounds > passenger front > passenger rear > driver rear > horn sounds once > acknowledge the information display > refill tires to desired pressure above 65 psi.
I fought with this trying to get it to learn lower pressures but eventually gave up. 65 and above keeps the low pressure warning from re-occuring.
I fought with this trying to get it to learn lower pressures but eventually gave up. 65 and above keeps the low pressure warning from re-occuring.
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Lead Driver
Joined: Jul 2007
Posts: 5,715
Likes: 1
that is the retrain procedure for relearning tire location, should you rotate your tires or replace the sensors. it does not reset the pressure set point.
Postmaster
Joined: Dec 2007
Posts: 2,743
Likes: 1
From: somewhere in CT ?
Anyone have to go back to the dealer yet for this? I have 11,000 miles, and the light has been on for the last 2,000. I have retrained the system at leats 5 times and I am running 80 in the back and 60 in the front.
Mountain Pass
Joined: Aug 2006
Posts: 239
Likes: 100
Just curious, could you just buy the sensors from another vehicle that runs a lower tire pressure, like an F-150, and have them installed, or do they have to be the correct part for the computer to recognize them?
Elder User
Joined: Mar 2007
Posts: 879
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From: at the truck pulls
Maybe since the cooler weather has come you're down to 58 and maybe it's seting off, dunno.
Lead Driver
Joined: Jan 2010
Posts: 6,600
Likes: 84
The TPMS is the only thing I don't like.
I'll figure it out eventually but I've never had tire monitoring before so I currently think it's annoying when I've made my own safe decisions in years past.
I even had my dealer reset it and it came back on driving home from the dealer with 65 front and 70 rear so IDK how to explain that.
I'm going to put a few additional pounds in the front (cold) and I bet that will solve it.
Drives me crazy...
I'll figure it out eventually but I've never had tire monitoring before so I currently think it's annoying when I've made my own safe decisions in years past.
I even had my dealer reset it and it came back on driving home from the dealer with 65 front and 70 rear so IDK how to explain that.
I'm going to put a few additional pounds in the front (cold) and I bet that will solve it.
Drives me crazy...
Postmaster
Joined: Dec 2007
Posts: 2,743
Likes: 1
From: somewhere in CT ?
We've talked about you can't go under 63 or 62 or so. So are you saying you've been running 60 in the front all this whole 11,000 miles and now the last 2000 or so it's giving you problems? If so then you may have some that might be just a bit off calibration, I wish mine would let me run even 4 or 5 less pounds.
Maybe since the cooler weather has come you're down to 58 and maybe it's seting off, dunno.
Maybe since the cooler weather has come you're down to 58 and maybe it's seting off, dunno.
Elder User
Joined: Mar 2007
Posts: 879
Likes: 0
From: at the truck pulls
On the subject of switching TPMS from other trucks, Ford dealer manager says it won't work. They say the 20" rims have coded sensors for 80 psi and the 18 and such have them coded for 65 on continentals, so the truck computer has to recognize the digital signature of the one preset for 80 psi on mine.
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Senior User
Joined: Aug 2010
Posts: 194
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From: Saugus,CA
Ok so I have the 18" wheels with the Conti's. I have been watching this thread for a while now and finally decided to go out and check my pressures. All tires are at 51.5 psi this morning with no warnings. Have they made some changes to the system since first introduced? My truck was built the last week of August.
New User
Joined: Oct 2010
Posts: 15
Likes: 0
On the subject of switching TPMS from other trucks, Ford dealer manager says it won't work. They say the 20" rims have coded sensors for 80 psi and the 18 and such have them coded for 65 on continentals, so the truck computer has to recognize the digital signature of the one preset for 80 psi on mine.
What are people doing when they put after market wheels on and want to keep the old wheels for dedicated winter tires?
Postmaster
Joined: Sep 2006
Posts: 2,598
Likes: 5
From: Maryland
They should call this the PITA system not TPMS! Ambient temps dropped to 42 here this morning and my tires set at 66 psi previously must have dropped low enough to set off the idiot alert. I came home from work today, checked all the tires and set them to 68 psi. After driving 10 miles the stupid light wouldn't go out. When I got back home tonight, I did the relearn and that reset it finally.
Each and every tire was at 62 psi after the reset. I put them back at 68 and we'll see what happens now.
Each and every tire was at 62 psi after the reset. I put them back at 68 and we'll see what happens now.
New User
Joined: Oct 2010
Posts: 15
Likes: 0
One thing to note is that some tire shops use Nitrogen rather than air. The reason for this is that Nitrogen is less affected by temperature changes, that is, as the tire heats up while driving, the tire pressure increases at a lower rate with nitrogen than it does with air. This is why race cars run nitrogen. Also, the nitrogen molecule is relatively large and is less prone to leak down. When you see a tire with a green valve stem cap it means that the tire was filled with nitrogen. It would be interesting to see if nitrogen would help with these TPMS problems.
Tuned
Joined: Jul 2010
Posts: 297
Likes: 0
From: Shangri-La
Ok - I have confirmed that you CAN change the TPMS to ANY PSI setting you wish - I was at a buddy's shop yesterday and he has the latest ford computer, with all the updates. I was able to look at all the settings and you can modify it - also you can change the front and back to different pressures if you like - I noticed the pressure went from the low teens to over 90lbs. So if you know someone at the dealer, or know someone with the FORD computer you can modify the settings...
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