One problem related to ignition has been reported for the 2009 GMC Sierra 1500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2009 GMC Sierra 1500 based on all problems reported for the 2009 Sierra 1500.
The contact owns a 2009 GMC Sierra 1500. The contact stated when turning the key to off and removing it from the ignition, the engine would remain on. When braking to a stop, the vehicle would lunge forward and sporadically accelerate. The dealer was unable to duplicate the failure. The manufacturer was not contacted. The failure mileage was 21,000.