Originally Posted by
bluecoupe
I have disconnected the TPMS wires at the Home link module on both my cars and the TPMS light still illuminates when the key is in the RUN position on start-up.
Originally Posted by
onehundred80
That shoots that theory all to hell then.
The bulb check function is what checks the lamp on startup, it has nothing to do with whether or not the TPMS system works, or not. If the lamp didn't light at startup (lamp check) then it is either a blown bulb, cut wire, or an open in the bulb wiring somewhere in the system
.