No Drive In All Ranges
WARNING: This page is about a different car, the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Cadillac Escalade ESV, and 2018 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
| Checks | Causes |
|---|---|
| A/Trans Fluid Pan (17) | Verify proper fluid level and condition, inspect transmission assembly for leaks. |
| A/Trans Fluid Filter (14) |
|
| A/Trans Fluid Pump Seal (26) | 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 Shift Shaft Position Switch Assembly (606) | Inspect PRNDL commands to and from vehicle using Tech 2. |
| Control Solenoid (w/Body and Valve) Valve Assembly (12) | Inspect PRNDL commands to and from vehicle using Tech 2. |
| Output Shaft (38) | Inspect for spline wear or damage. |
| Output Carrier Assembly (38) |
|
| Input Carrier Assembly (62) | Inspect carrier assembly for damaged pinion gears, thrust washers, pins, and rollers. |
| Input Sun Gear Assembly (60) | Inspect for spline wear or damage. |