Tire pressure monitoring system (TPMS) failure which almost resulted in a crash at high speed. TPMS air stem broke while driving. The TPMS then fell into the tire, leaving the air stem hole wide open, which resulted in rapid deflation of the tire. Operator of the vehicle was able to barely keep control of the vehicle and bring it safely to a stop; tire was completely destroyed - nothing but the wheel rim was left. Mechanic / recovery personnel with tow truck said it was a minor miracle that an accident/ crash was avoided. When reported to Volvo, no support or action taken on their part. Then experienced a second TPMS failure approximately 7 months later, while driving the vehicle at 30 mph on the way home; tire was flat and mechanic said tire needed to be replaced as it was driven while deflated. Again reported failure to Volvo dealer, and this time they did listen to my complaint as another owner reported same problem. Volvo determined that the TPMS air stem was unable to withstand normal driving conditions, and becoming brittle and breaking, and subsequently causing rapid loss of air in the tire, and dangerous situation if failure occurred while driving the vehicle. Volvo replaced all four TPMS on vehicle and reimbursed me for the tires that were destroyed because of the TPMS failures. Volvo dealer sent out email notifying owners of all us spec Volvo model years 2004 through model year 2011 (production week 40 calendar year 2010), except the XC90 model, about the TPMS problem and recommended they be checked. I am surprised and disappointed with Volvo, because a TPMS failure at high speed is very likely to cause an accident and death. A safety recall should have been done by now.

- Apo, AE, USA