Try putting the vehicle un neutral first. You will also need to put it in neutal to disengage
It could be the problem. The dealer can scan the code with a Tech II unit they have. www.trailvoy.com The Trailblazer enthusiast forum!
The 2002 Nissan Quest has front wheel drive.
The 2002 GMC Yukon has rear wheel drive.
The 2002 Audi S6 has all wheel drive.
The 2002 Ford Escape has front wheel drive.
The 2002 Subaru Impreza has all wheel drive.
The 2002 Hyundai Accent has front wheel drive.
The 2002 Ford Expedition has rear wheel drive.
The 2002 Porsche 911 has rear wheel drive.
The 2002 Audi S4 has all wheel drive.
The 2002 Audi S8 has all wheel drive.
The 2002 Subaru Legacy has all wheel drive.