Chevrolet Silverado, Tahoe +1 more: Power train — transfer case (4-wheel drive)

Affects Chevrolet Silverado, Tahoe, Suburban · 2014–2015 — about 392K vehicles.

The hazard

If the transfer case switches to neutral while the vehicle is parked and the parking brake is not in use, the vehicle may roll away increasing the risk of injury to bystanders. If the transfer case switches to neutral while the vehicle is being driven, the vehicle would lose drive power, increasing the risk of a crash.

What to do

GM will notify owners, and dealers will re-program the software in the transfer case control module, free of charge. The recall began in early August 2014. Owners may contact General Motors customer service at 1-800-222-1020 (Chevrolet), or 1-800-462-8782 (GMC). GM's number for this recall is 14192.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational