The defect
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.
The risk
IF THE GEAR IS NOT ENGAGED, THE VEHICLE CAN ROLL WHEN THE TRANSMISSION IS IN "PARK" AND A CRASH COULD RESULT WITHOUT WARNING.
The 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.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Chevrolet Trailblazer | 2002 |
| GMC Envoy | 2002 |
Components: POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Chevrolet Trailblazer | 2002 | 1,149 | 12 |
| GMC Envoy | 2002 | 487 | 13 |
Other power train recalls in 2001
20 of the 461 recall campaigns reported to NHTSA in 2001 concerned the power train; GENERAL MOTORS CORP. filed 1,195 campaigns in all.
| 01V362000 29 Nov 2001 | HYUNDAI MOTOR COMPANY |
| 01V339000 2 Nov 2001 | TRIUMPH MOTORCYCLES |
| 01V335000 25 Oct 2001 | PACCAR, INCORPORATED |
| 01V309000 1 Oct 2001 | CHANCE COACH, INC. |
| 01V296001 21 Sept 2001 | INDEPENDENCE MOTORCYCLE CO. |
| 01V283000 5 Sept 2001 | GENERAL MOTORS CORP. |
| 01V274000 28 Aug 2001 | WARRICK INDUSTRIES, INC. |
| 01V196000 14 Jun 2001 | BAYERISCHE MOTOREN WERKE |
NHTSA recalls (public domain) · all recalls of 2001