The National Highway Traffic Safety Administration has expanded its investigations into its Chevrolet Trailblazer, and Toyota vehicle master power window switch fires, the safety agency says.
2006-2007 Chevrolet Trailblazer
The NHTSA Office of Defects Investigation (ODI) upgraded its investigation into fires originating in the master power window switch of 2006-2007 Chevrolet Trailblazer SUVs to determine whether the components have a defect “that presents an unreasonable risk to safety,” a new report says. General Motors presented 167 reports and 698 warranty claims related to the issue to the ODI in response to the agency’s inquiry.
NHTSA Expands Chevy Trailblazer and Toyota Window Switch Fire Investigations image
ODI has received 83 additional complaints, 66 of which alleged that the door modules melted or burned while the rest of the complaints stated that the window switches behaved erratically or were inoperative. Door panels on as many as 28 vehicles caught on fire according to the complaints — including some vehicles that were not running or unattended. ODI is evaluating vehicle models as well as production dates of affected vehicles, which may expand to other platform mates including the Buick Rainier, Isuzu Ascender, GMC Envoy, and Saab 9-7x.
A GM representative said that the automaker has been cooperating and will continue to cooperate with NHTSA and that internally, GM was looking at the Trailblazer’s platform mates for the potential problem.
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NHTSA Expands Chevy Trailblazer and Toyota Window Switch Fire Investigations - WOT on Motor Trend