NHTSA opened 6 defect investigations covering the 1999 GMC Yukon.
Service Brakes, HydraulicPE10010 · opened Mar 2010, closed Jan 2011
Brake line corrosion failure
The Office of Defects Investigation (ODI) received Defect Petition DP10-003 on March 2, 2010, requesting the investigation of model year (MY) 2003 Chevrolet Silverado 2500HD 4WD pickup trucks for corrosion failures of the vehicle brake lines.DP10-003 was granted and on March 30, 2010, Preliminary Evaluation PE10-010 wa
Service Brakes, HydraulicPE05020 · opened Apr 2005, closed Sep 2005Led to recall 05V379000
Unwanted low-speed ABS activation
In a letter dated august 29, 2005, gm notified odi that it was recalling certain model year 1999 through 2002 c/k pickup trucks and sport utility vehicles to correct a problem with anti-lock brake system (ABS) wheel speed sensor corrosion that may result in unwanted ABS activation and extended stopping distances during
Vehicle Speed ControlEA02015 · opened Aug 2002, closed Jan 2004
Throttle sticking closed
This investigation involves the general motors corporation (gm)throttle body (tb) utilized in model year (my) 1999-2002 silverado, sierra, tahoe, suburban, avalanche and Yukon (subject vehicle(s)) with 4.8l, 5.3l, and 6.0l engines. The tb valve may intermittently stick in a closed position.in such a situation, an opera
Seat BeltsEA01018 · opened Dec 2001, closed Dec 2002
Seat belt anchorage separation
Seat BeltsPE01023 · opened Jul 2001, closed Dec 2001
Seat belt anchorage separation
Odi has received one (1) complaint alleging that the 2nd row passenger-side seat belt release buckle anchor detached from seat frame during a side impact crash.during the crash, the occupant was thrown from his seat, partially ejected through the rear quarter window of the vehicle.occupant sustained injury.gm has subse
SteeringEA99011 · opened May 1999, closed Feb 2001
Erratic power steering assist while driv
The office of defect investigation (odi) has investigated allegations of power steering assist fluctuations in the subject vehicles.for details and a basis for the investigation conclusions, please see the closing report in the ea99-011 public file.odi has not identified a safety-related defect trend in the subject veh