TPMS ISSUE?

I just bought my 2008 a few days ago and the Low Tire pressure light has come on. Upon starting the vehicle, it will flash for a bit then stay on. It did not do this when I initially bought it, so I thought I might have a slow leak. I took it to America's Tire to check the psi of all the tires and, they were all at correct psi.

The guy there checked all of my tpms sensors with their remote device and it showed that all 4 of my tire tpms sensors were working. He then checked to see if the spare had a sensor and the remote showed that there was a sensor and it was bad. I had them change it out and sync it, but the light still comes on, and has been for the past few days.

Is there anything else that could cause the light to stay on like this?

I am going back in today to see if there is anything else they can do or, at the very least, get my moey back. Im just hoping that I dont have to go to the dealership because that can get pricey.

Any info is much appreciated!! Thanks

 

Could be one of the batteries are going out on one of them.

 

that wouldnt show in the remote device, would it. Not sure if all of the tpms sensors are original oem ones, which makes them almost 10 years old. Wonder if i should just replace them all and go from there.

 

I would go back to America's Tire and have them double-check the TPMS programming in the ECU. Being 1 digit off on the ID code would fail the programming with the TPMS module.

 

Yeah... I am going to start there. Thanks

 

Consider aftermarket TPMS sensors for a significant savings

 

Just checking....
did you reset the tpms after all of this was done?

 

Ah I see they reset it. Maybe try it again yourself just to be sure.

Before spending more money.

 

Ok. So America's Tire could not figure out what the problem is. Their remote sensor read that all of the sensors were good and no amount of resetting fixed the light. So they suggested to take it to the dealer to see if they could figure it out.
I dropped it off and they just called me back saying that they couldn't figure it out either and they would need to do a deeper analysis of the wiring harness or whatever could be the problem. The only problem is that they want at least $330.00 to do that.
Does anyone here know what I could try myself to try and figure this out? Worst case scenario I will just drive with the tire psi light always on... Annoying, but I'm not spending that much.
Or is there any way to shut of the sensors completely to not trip this light?

 

I would just leave it be. You can take apart the dash and remove the LED that lights up the TPMS light, so it doesn't come one anymore. Or take apart the dash and put a piece of tape over it.

 

If possible, I would remove the spare tire TPMS ID from the ECU, and see if the problem clears up. Toyota Techstream is your friend here.

 

Disconnect the battery and let it sit for a few minutes to clear everything then reconnect and see if you still get the tpms light.

 

Save yourself the headache and $

https://www.tacomaworld.com/threads/disabled-tpms-light-on-my-2008.93853/

 

Inflate your tires to a higher psi and see if that solves it. This happened to me a few years ago and I was racking my brain trying to figure it out. Just pumped an extra 2 psi into each tire and that solved it

 

I've tried disconnecting the battery, inflating and deflating tires to different psi and resetting the monitor. Nothing works so far. I was thinking though, if all of the tire sensors are functioning, but it is still throwing a light, is the receiver bad? I checked the price of the receiver at the dealership and that part is $500!!!! I think that I am just going to deal with having the little tire psi light on my dash unless someone has some insight on this, other than putting tape over the light or taking it out altogether.