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Chevrolet/GMC Heater And Defroster Recall #2011074

Recall date February 21, 2011
Models affected
  • 2003 Chevrolet Avalanche
  • 2004 Chevrolet Avalanche
  • 2005 Chevrolet Avalanche
  • 2006 Chevrolet Avalanche
  • 2003 Chevrolet Silverado 1500
  • 2004 Chevrolet Silverado 1500
  • 2005 Chevrolet Silverado 1500
  • 2006 Chevrolet Silverado 1500
  • 2007 Chevrolet Silverado 1500
  • 2003 Chevrolet Suburban
  • 2004 Chevrolet Suburban
  • 2005 Chevrolet Suburban
  • 2006 Chevrolet Suburban
  • 2003 Chevrolet Tahoe
  • 2004 Chevrolet Tahoe
  • 2005 Chevrolet Tahoe
  • 2006 Chevrolet Tahoe
  • 2003 GMC Sierra 1500
  • 2004 GMC Sierra 1500
  • 2005 GMC Sierra 1500
  • 2006 GMC Sierra 1500
  • 2007 GMC Sierra 1500
  • 2003 GMC Yukon
  • 2004 GMC Yukon
  • 2005 GMC Yukon
  • 2006 GMC Yukon
Units affected 190,310
Details

On certain vehicles, the interface between the electrical terminals of the Heating, Ventilation, and Air Conditioning (HVAC) blower relay resistor module and the wiring connector (which powers the module) may be incapable of conducting higher current levels for sustained periods of operation.

In addition, moisture and other contaminants (such as road de-icing materials) may enter the fresh air intake plenum and contact the internal circuit of the module or corrode the terminals.

These conditions may cause the relay resistor module or wiring connector to overheat, causing various symptoms such as: the HVAC blower may not function on certain or all blower speed settings; a burning-plastic smell or smoke may be present in the vehicle, or; the HVAC blower may run continually with the ignition in the OFF position.

These warning signs could, in certain instances, be leading indicators of an impending vehicle fire, which could result in property damage and/or personal injury.

Correction: Owners will be provided with additional warranty coverage for the blower motor resistor module/wiring connector overheating condition.

Under this "special warranty coverage", should this condition occur within 10 years or 240,000 km from first vehicle registration, dealers will install a replacement blower motor resistor and resistor module connector.

Additional information may be available on Transport Canada's website

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