Hello, new here and to Ram. I see getting the tpms sensor parameter lowered for the HD trucks to work with lower air pressure tires is a pretty common topic, my dealer won't do it and was wondering if anyone has found someone in MN that will?
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To fully adjust the TPMS you need the change the psi thresholds and update the RFH (Radio frequency hub).
Factory pressure settings are 65 front & 80 rear with a 20% threshold which means that the warnings (light, sounds & nag screen) will come on at 52 front & 64 rear. If that happens then you will have to air the tires to 65 front and/or 80 rear to make the warnings go away.
The PIN – You must have your PIN to fully adjust the TPMS system. There are 2 PIN numbers associated with your key and truck. Technically, there's a 3rd one too that's a rolling code (unknown digits) that expires. It is only used if you lose all your keys and it requires a call to Lord FCA to get. I believe this is where some dealers get confused and try to tell you that the 4-digit PIN will expire. I've not heard of anyone saying that theirs expired when they tried to use it. A few members have been charged a fee to get the code. Personally, I find this ridiculous and I’d find another dealer, but I realize some don't have that choice.
PIN #1: 4-digit code (all numbers) that is used to program the key (fobik) to the truck. This is the one you need for this process.
PIN #2: 5-digit code with a letter in front (ex. M0000) that is used to cut a new metal key.
IMO, it’s a good idea to get both codes as soon as you possibly can. Recently, some dealers have refused to give them out. It’s yours and you paid for it when you bought the truck so go get it.
Devices:
Autel MaxiSys -- will adjust the psi settings and update the RFH (Radio frequency hub)
Matco Maxgo & Maxme -- will adjust the psi settings and update the RFH (Maximus should also)
Launch X431 V+ -- untested but I believe this is the ‘same’ as an Autel MaxiSys
AutoEnginuity software -- will only adjust the psi settings (also tire sizes & enable fogs w/highs)
Witech (dealer) -- will only update the RFH, IF you can find a dealer that's willing do it
AEV ProCal -- only sold with their lift kits; will only adjust the psi settings (tire sizes & other settings)
Snap-on – no one has found that any of their devices can do this
My experience is that the dealer techs can't change the settings due to an upgrade in the diagnostic tool set made by FCA. They can't access the correct section of the module anymore on 2015+ trucks.
The Autel tool would be the best bet.
Xgot mine done today. Set the threshold ar 35 psi....gives you 20% extra. Best $100 I have spent
My experience is that the dealer techs can't change the settings due to an upgrade in the diagnostic tool set made by FCA. They can't access the correct section of the module anymore on 2015+ trucks.
The Autel tool would be the best bet.
Nice job on the overview. Many thx...
The guy's name is Tracy, and he has a web site for his offerings.....
Tehammann.wixsite.com/tractstruck
He's super nice, easy to work with and extremely knowledgable....
You can text him at (618) 304-4807....enjoy driving with not dash error lights!!!
What is the model of the Autel that will adjust thresholds?
I'm looking at the TS501 & TS601.
To fully adjust the TPMS you need the change the psi thresholds and update the RFH (Radio frequency hub).
Factory pressure settings are 65 front & 80 rear with a 20% threshold which means that the warnings (light, sounds & nag screen) will come on at 52 front & 64 rear. If that happens then you will have to air the tires to 65 front and/or 80 rear to make the warnings go away.
The PIN – You must have your PIN to fully adjust the TPMS system. There are 2 PIN numbers associated with your key and truck. Technically, there's a 3rd one too that's a rolling code (unknown digits) that expires. It is only used if you lose all your keys and it requires a call to Lord FCA to get. I believe this is where some dealers get confused and try to tell you that the 4-digit PIN will expire. I've not heard of anyone saying that theirs expired when they tried to use it. A few members have been charged a fee to get the code. Personally, I find this ridiculous and I’d find another dealer, but I realize some don't have that choice.
PIN #1: 4-digit code (all numbers) that is used to program the key (fobik) to the truck. This is the one you need for this process.
PIN #2: 5-digit code with a letter in front (ex. M0000) that is used to cut a new metal key.
IMO, it’s a good idea to get both codes as soon as you possibly can. Recently, some dealers have refused to give them out. It’s yours and you paid for it when you bought the truck so go get it.
Devices:
Autel MaxiSys -- will adjust the psi settings and update the RFH (Radio frequency hub)
Matco Maxgo & Maxme -- will adjust the psi settings and update the RFH (Maximus should also)
Launch X431 V+ -- untested but I believe this is the ‘same’ as an Autel MaxiSys
AutoEnginuity software -- will only adjust the psi settings (also tire sizes & enable fogs w/highs)
Witech (dealer) -- will only update the RFH, IF you can find a dealer that's willing do it
AEV ProCal -- only sold with their lift kits; will only adjust the psi settings (tire sizes & other settings)
Snap-on – no one has found that any of their devices can do this