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Username Post: Tire pressure alarm        (Topic#352153)
Spohl57 
Poster
Posts: 2

Reg: 07-22-18
07-22-18 06:43 PM - Post#2740834    

I’ve changed tires from 4-6 ply to 10 ply and run 60 psi in my tires which is out of spec for the standard 35 the truck recommends. Is there a way to change the expected pressures or do I have to pay the dealer on top of what I paid for the tires?



 
Shepherd 
Frequent Contributor
Posts: 1454

Loc: Lake George, NY
Reg: 11-11-15
07-22-18 07:27 PM - Post#2740844    
    In response to Spohl57

Welcome to CT, have you gotten a tps warning? Some systems look for a pressure differential, not actual pressure, not sure what your system looks for.



 
wreckmech 
Member
Posts: 212

Loc: Parsippany, NJ
Reg: 10-08-02
07-23-18 08:43 AM - Post#2740881    
    In response to Spohl57

I run 8 ply at 55, and have no issues. As was said in the previous post, I believe that the system warns when there is a significant difference in one of the tires.



 
Spohl57 
Poster
Posts: 2

Reg: 07-22-18
07-23-18 09:32 AM - Post#2740888    
    In response to wreckmech

I had an alarm on my dash monitor and I only had a 2 psi differential. Then I got my Onstar monthly report and it was red saying out of range. I lowered the pressure to 40-45 and no alarms/warnings. As I plan to air them back up I didn’t want to be annoyed again. Local dealer said they could reprogram computer but they’d charge for that. I’ll be annoyed before I pay for that.



 
wreckmech 
Member
Posts: 212

Loc: Parsippany, NJ
Reg: 10-08-02
07-23-18 03:18 PM - Post#2740925    
    In response to Spohl57

OnStar is a pain in the a**...I disabled mine when I bought my 2014 Sierra. It's the OnStar that's giving you the alarm. The truck system would only give a lighted message on the message center. Let us know if you find an inexpensive way to do it.



 
Rick_L 
Honored Member
Posts: 27461
Rick_L
Loc: Katy, Tx, USA
Reg: 07-06-00
07-23-18 05:45 PM - Post#2740943    
    In response to wreckmech

My 09 truck has the pressures programmed in. 29 psi or below sets the dash warning, 40 psi or above (I think) sets it too. I'm sure it can be reprogrammed but you have to have the hardware/software to do it. I usually run 36 psi. Have a malfunctioning sensor right now on one wheel, it's intermittently either 0 or very high.



 
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