2016 GMC Acadia SLFACTORY OEM SERVICE PROCEDURE

Rear Differential Clutch Control Module Programming and Setup (Lambda 14)

If the Rear Differential Clutch Control Module is replaced, the following procedures must be performed:

  1. Rear Differential Clutch Control Module Programming-Refer to Service Programming System (SPS)Β .
  2. Install a scan tool.
  3. Turn ON the ignition, with the engine OFF.
  4. Select Clutch Control Module/Rear Drive System Matching Identification Setup in the Rear Differential Clutch Control Module Configuration/Reset Function List.
  5. Follow the scan tool directions to complete the calibration procedure.
  6. Fig 1: Clutch Control Module RDS Number
    GM3679908Courtesy of GENERAL MOTORS COMPANY
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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