No Drive in All Ranges

WARNING: This page is about a different car, the 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.

Checks	Causes
Carrier 1st 2nd and 3rd Positions Assembly	Inspect the carrier assembly for damaged pinion gears, thrust washers, pins, and rollers. Inspect for damaged thrust bearings. Inspect for damaged sun gears. Inspect the carrier assembly for damaged output carrier rear sun gear thrust bearing (captured).
Thrust Bearing 1st 2nd and 3rd Positions Assembly	Inspect the bearing for wear or damage.
Output Shaft Assembly	Inspect for damaged internal gears.
Sun Gear 1st 2nd and 3rd Positions	Inspect for spline wear or damage.
Fluid Filter Assembly	Inspect for damaged or restricted fluid filter assembly. Inspect for damaged fluid filter seal assembly or improper sealing interface, leaks, and fluid aeration.
Automatic Transmission Fluid Pump Seal	Inspect for worn or damaged seal.
Auxiliary Fluid Filter Assembly	Inspect for damaged or restricted fluid filter assembly. Inspect for damaged fluid filter seal assembly or improper sealing interface, leaks, and fluid aeration.
Auxiliary Fluid Pump Seal	Inspect for worn or damaged seal.