new tires, exclamation point light is on

17k on 2013. 46 is on revised door sticker for Baja's with BFG ATs. Wear is even so far. I had to tell the service tech last time to note PSI. He measured tread and commented that tires look new. On second rotate the idiots put 30 in just assuming that 30 was correct. I was wondering why TPMS came on kn cold weather. I checked PSI and first thought was "idiots". I was mainly po'd because I had to get the compressor out.

 

So my light came on, all four have the same pressure tried to reset it but no luck, haven't tried the spare so I'll check tomorrow, how does the truck even know that your spare is low on pressure with the sensors?

 

If you have a 2007 or 2008, the spare has a sensor.

 

Ah ok, mine is a 2012

 

The sensors typically last 7-10 years although some have been known to last longer. Your truck is 11 or 12 years old depending on exactly when it was made. Chances are good your sensors have just gone bad.

Mine were still working after nearly 13 years but I knew they would go bad soon. I ordered new sensors and took them with me to the tire store when I bought new tires last time. They installed the new sensors and programmed them at no extra charge. Most stores will charge $10-$15 each to install them if you're not buying new tires at the same time.

You can get 4 on Amazon for $60-$80.

 

Awesome, thank you

 

When you first start the truck, does the TPMS light flash for about 30 sec and then stay on?
The important part here is FLASHING first then stays on.
If so, one or more of the sensors isn’t communicating with the truck.
Airing up the tires will not fix the problem.

 

Yes it flashes for a good minute then stays on, and like you said, with all four tires with the same pressure didn't change anything, does this mean I need to buy new sensors or have it reprogrammed?

 

You have at least one dead sensor that isn't communicating. A tire shop can tell which one it is with their programming tools.

If it were me I would just replace them all as the others are probably close to end of life also.

 

Ahh ok cool, never had a vehicle with these sensors before in my tires , appreciate the info.