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NHTSA Campaign 01V334000

POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

Issued by GENERAL MOTORS CORP. · Reported Oct 17, 2001 · 78,004 vehicles affected

What's wrong

VEHICLE DESCRIPTION: SPORT UTILITY VEHICLES EQUIPPED WITH 4-WHEEL DRIVE. THE CALIBRATION OF THE TRANSFER CASE CONTROL MODULE COULD CAUSE INSUFFICIENT HIGH SPEED GEAR ENGAGEMENT.

Consequence

IF THE GEAR IS NOT ENGAGED, THE VEHICLE CAN ROLL WHEN THE TRANSMISSION IS IN "PARK" AND A CRASH COULD RESULT WITHOUT WARNING.

Remedy

DEALERS WILL UPDATE THE TRANSFER CASE CONTROL MODULE CALIBRATION TO INCREASE GEAR ENGAGEMENT. OWNER NOTIFICATION BEGAN NOVEMBER 6, 2001. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT CHEVROLET AT 1-800-222-1020 OR GMC AT 1-800-462-8782.

Vehicles affected by this recall

Make Model Year Units
CHEVROLET TRAILBLAZER 2002 78,004
GMC ENVOY 2002 78,004

Source: NHTSA Campaign 01V334000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.