OK I have the ProCal and I am running about 30psi in my tires. I went by the instructions and set my threshold point at 26psi. Light on dash still on. All tires are at 30-31 psi including the spare. Am I wrong in thinking the light should be off now?

 

Can take about half an hour of driving before the TPMS will flag off. Takes a bit for the system to realize the pressure is within limits.

 

Been driving for 2 days after using the ProCal and light is still on?

 

I had to use the "Clear Diag Trouble Code Mode" to get the light to clear. If you have the quick reference guide, it is on the Engine Functions page..

 

I had the same problem with my TPMS. All I did was add a few more psi and drive around a few minutes till the light went out. Then I lowered my psi back to what it was and the light stayed off.

 

Guess I'll try that next. thanks