Ok, I have a 2015 2500 4x4 that had 275/70/18, and the rear air pressure is 80 psi.
I just went to running a 17" rim with 35-12.50-17, and the max air pressure is 50psi, and the truck reads low rear air psi.
How can I get it reading correctly?
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Ok, I have a 2015 2500 4x4 that had 275/70/18, and the rear air pressure is 80 psi.
I just went to running a 17" rim with 35-12.50-17, and the max air pressure is 50psi, and the truck reads low rear air psi.
How can I get it reading correctly?
That's easy.
You don't.
The Body system is programmed for a specific thing.
Did you transfer the tire pressure monitors over from your factory rims?
If yes, then make an appointment with the dealer to have them reset the psi max threshold.
If not, you can ask them to disable it; not sure if they can.
Or you can purchase replacement TPMS sensors for your new rims, but you still need the dealer to reset the threshold for the lower psi.
Greg
2012 | 2500 | CCLB | Custom MCC by Double R Diesel
I was watching some youtube videos, and they mentioned you could buy handheld units that can reset/recalibrate the TPSM.
They said they are expensive and unique order.
As usual, they never gave all the information, like where you can buy these things or how much.
So I guess the best place to go is the dealership.
Or if one of our vendors might have an outlet to get one.
I got lucky on my truck, I guess.
I changed to 17s and ran my 37s, 40lbs in the front and 25lbs in the rear.
I never changed the sensors over and only get a tire pressure warning on startup.
I think it has something to do with being a 3500 and the law as it is written with GVWR
Yes, I transferred, sir.Quote:
Originally Posted by Power247
Cool.Quote:
Originally Posted by wlofton
Then your dealer should be able to get that squared away for you then.
Sent from my SM-G900V using Tapatalk
Unless you download the AlfaOBD program, you can change those values to whatever you like.Quote:
Originally Posted by Polaraco
It's best for the 2013-2017 models.
Before 2013, body modules were a little more archaic, while later than 2017, there was a gateway unit to secure it from outsiders.
It can be bypassed.
ALFAOBD.COM
Autel makes one; I have it (TS408); it can read all sensors, tell you the frequency they are using, and program new sensors.
Autel also makes their own sensors called the MX sensor, which is clonable; in other words, you can clone another set of 4 tires so you can set up a winter tire set and a summer tire set.
They are called Autel MX Sensor.
I have also have an Autel MX808 scan tool, but I wanted to get a bi directional one (not just read, but talk back to the truck), so I also picked up the Autel MS906; this will allow me to command items; this is great for replacing a VGT actuator and doing the sweep settings that is required before installing.
Autel is top notch stuff, pro grade, sold by tool truck guys, there is offshore versions and US stuff, get US stuff.
The tire sensor tool I got is:
https://m.media-amazon.com/images/I/...AC_SL1001_.jpg
I might add that I had my sensors failing (battery life).
It's 2010, and they start failing between 10 and 12 years, so getting all new tires, I purchased four new sensors to install when tires were being replaced.
The factory uses the "Schrader" brand, and I bought the new "Schrader" set from rockauto.com.
There was no programming involved; it just did it on its own.
My truck is a 2010.
Newer ones may or may not have a different setup.