No Drive in All Ranges

WARNING: This page is about a different car, the 2016 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

Checks	Causes
A/Trans Fluid Pan (49)	Verify proper fluid level and condition, inspect transmission assembly for leaks.
A/Trans Fluid Filter (46)	Inspect for damaged or restricted fluid filter (46). Inspect for damaged fluid filter seal (45) or improper sealing interface, leaks and fluid aeration.
A/Trans Fluid Pump Seal (302)	Inspect for worn or damaged seal.
A/Trans Cooling/Lubrication System	Inspect transmission oil cooler (radiator) and cooler line seals for restrictions, damage, kinks or leaks.
Torque Converter Assembly (1)	Inspect for overheating (blued), ballooning, leaks or other damage.
Manual Valve (384)	Inspect the manual valve detent lever assembly and connection to the manual valve (384).
A/Trans Manual Shift Shaft Position Switch Assembly (308)	Inspect the switch assembly (308) and connection to the manual valve (354).
Manual Shift Shaft Position Switch Assembly (604)	Inspect PRNDL commands to and from vehicle using Tech 2.
Control Solenoid (w/Body and Valve) Valve Assembly (40)	Inspect PRNDL commands to and from vehicle using Tech 2.
Output Shaft (76)	Inspect for spline wear or damage.
Output Carrier Assembly (73)	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).
Input Carrier Assembly (67)	Inspect carrier assembly for damaged pinion gears, thrust washers, pins and rollers.
Input Sun Gear Assembly (69)	Inspect for spline wear or damage.