Sierra 2500 Denali 2WD V8-6.0L (2011)
Note: DTC P0701 may often set following fluid service. Cycling the ignition clears the code and allows Drive or Reverse range to be attained.
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: Transmission and Drivetrain/Automatic
Transmission/Transaxle/Testing and Inspection/Component Tests and General Diagnostics/Allison - Automatic Transmission/Transmission Fluid
Level and Condition Check).