Sierra 3500 Denali 2WD V8-6.0L (2011)
7. Cycle the ignition until Drive or Reverse range is attained.
Note: Fluid remains in the external circuits and transmission cavities after draining the transmission.
8. Check the transmission fluid level. Refer to Transmission Fluid Level and Condition Check (See: Testing and Inspection/Component Tests and
General Diagnostics/Allison - Automatic Transmission/Transmission Fluid Level and Condition Check).