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Home >> Cadillac >> 2019 >> ATS Base, AWD >> Repair and Diagnosis >> General Information >> Reset Procedures >> Programming And Setup >> Repair Instructions >> K71 Transmission Control Module: Programming and Setup (8L45/90) >> Programming an Existing or New Control Module
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Programming an Existing or New Control Module

To program an existing or new control module, perform the following procedure:

  1. Install the special tool: EL-49642 SPS Programming Support Tool
  2. Ignition - On/Vehicle - In Service Mode
  3. Access SPS and follow the on-screen instructions for the control module: K71 Transmission Control Module
    1. Select - Programming
    2. Select - MCVM Operations - If applicable
    3. Ignition/Vehicle - Off - For greater than 2 min
    4. Select - Setup - Follow the on-screen instructions.
  4. Clear DTCs after programming is complete. Clearing powertrain DTCs will set the Inspection/Maintenance (I/M) system status indicators to No.
  5. All OK.