Two problems related to check engine light on have been reported for the 2010 Volkswagen Jetta Sportwagen. The most recently reported issues are listed below.
Driving on interstate at 70mph. Engine glowplug light and main failure light came on and engine quit. Dealer advised failure was due to high pressure fuel pump failure.
Motor lost most power but was able to go 10-15mph to get to end of trip. Check engine light came on and glow plug light flashed on & off. Called vw and they scheduled appt for next day, said it was ok to drive in. Began drive home on major city street. While driving, the engine died and would not restart. Car stalled in left lane blocking rush hour traffic. The driver of the following car was able to stop traffic enough to allow us to push the dead vw off the road to the right. Cars were attempting to pass us as we pushed it to the side. Called vw and they sent a tow truck. Diagnostics the next day found metal in the tdi diesel high pressure fuel pump. Fuel system is to be replaced under warranty.