my 09 CTS-V showed "Service Tire Pressure Monitoring System" and TPMS light blinked for a minute then stayed on,,
it does the same every time i start the car,,
10-20-12, 03:04 PM
As I indicated in a previous post, starting but not finishing a TPM learning cycle will cause this.
10-21-12, 01:23 PM
Start over with learning cycle and finish it.
10-21-12, 04:02 PM
I had the same problem with 2009......twice. Two bad tire pressure sensors. Dealer replaced them.........twice. No problems since.
Cadillac Cust Svc
10-22-12, 03:53 PM
kj217, I'm in line with most of the above comments -- visiting a dealer for service would be your best next step. If you'd like further assistance along the way, please email me anytime at Katie_Lucille@gmexpert.com!
Cadillac Customer Service