Changing TPMS Pressure

[Blk04Snake]

Hey all,

I have 35x12.5-20 Toyos on my F350 which have a max pressure of 65psi. I like running them at 60psi.

I initially had a lot of problems getting the TPMS sensors trained to the truck after installing the wheels/tires but now that I have that sorted out I have the "Low Tire Pressure" telltale on the Message Center.

The tech at the dealer told me that the SJB learns the pressure from what they're set at during the training but obviously that isn't the case.

I've read in a few places that the SJB can be re-programmed for whatever pressure you want it to be, but it has to be with the Ford IDS diagnostic equipment. However, noone posted the procedure for doing this with the IDS and the tech doesn't know either.

Does anyone know what has to be done to make the truck want 60psi in all 4 tires instead of 65psi in the fronts and 80 rear like the door sticker says?

Thanks.

[thedynoguy]

I've got the same question in the 6.4 general discussions thread. But basically, I'm in the same boat as you.

[Klutch]

I've heard there is a procedure as well, but no luck finding it.

[Big Angry Hillbilly]

You need the Ford IDS to do it, or at least a dealer tech who is willing to take the time to do it for you.

[Blk04Snake]

Originally Posted by Big Angry Hillbilly

You need the Ford IDS to do it, or at least a dealer tech who is willing to take the time to do it for you.

Thanks for answering!! I am aware that you need the IDS, and I actually spoke to one of the techs at the dealer today. He is not sure of how to change it. He did mention the "as built data" Any chance you can PM me the info on what has to be done so I can take it in and have him do it? They are willing to do it, if they knew how.

Thanks!

[magg992001]

Originally Posted by Blk04Snake

Thanks for answering!! I am aware that you need the IDS, and I actually spoke to one of the techs at the dealer today. He is not sure of how to change it. He did mention the "as built data" Any chance you can PM me the info on what has to be done so I can take it in and have him do it? They are willing to do it, if they knew how.

Thanks!

Realize this is an old post but did you ever get anywhere on this?
I just got a new set of rims and tires that are rated at the 65psi but now need to get rid of that "low tire pressure" message.

ANYONE???
I've be searching forums for hours

[DSL_PWR]

According to FORD there is no fix for this. However, with that said I have spoken to H&S numerous times on this and have been told that they are working on something with their tuning (Black Maxx, Mini Maxx, XRT Pro) that will allow these parameters to be adjusted that will address the TPMS issues that most are having when switching to other rims/tires with lower pressure ratings. But as of now there is no fix.

I know on my 2010 F350 I can get away with 70 in the rear and 58 in the front without the light and it does make a difference in ride. On my 2008 F250 I could run 52-54 all the way around and get away with it.

I do know this as well. A buddy of mine bought a truck here locally with a lift, rims, and tires on it. They were Toyo tires rated at 65psi and he was running 62 front and 65 rear in them, it is a 2010 F350 with no light. Guy at dealership told him they fixed it so he wouldn't have issues. FWIW it can be done.

[Trogar]

I am a little fuzzy on why Toyo would have different pressure ratings for different SIZE tires. I run the same tire, but mine are 18" rim, and the max pressure is 85 lbs...

[DSL_PWR]

D rated verses E rated???

[Blk04Snake]

I really wish someone would figure this out. It's nice not having that yellow light blaring in my face this winter with my stock tires on.