GM Service Manual Online
For 1990-2009 cars only

Using a Scan Tool

  1. Turn the ignition on go to the special functions heading in the scan tool.
  2. Select Clutch Reset Procedure (Motor Learn Procedure).
  3. When the Clutch Reset Procedure is initiated you should hear the motor engage, indicating a successful learn procedure.

Using The Transfer Case Shift Control Switch

  1. Turn the ignition to accessory, place the switch into the 2 high mode.
  2. Turn the switch clockwise past 4 low into the neutral request mode and hold for 30 seconds.
  3. An audible noise from the motor should occur indicating a successful learn procedure.