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Home >> Cadillac >> 2016 >> CTS Base, AWD >> Repair and Diagnosis >> General Information >> Reset Procedures >> Programming And Setup - All Systems >> Repair Instructions >> K71 Transmission Control Module: Programming and Setup (TL-80SN (MGG)) >> Programming an Existing Control Module
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Programming an Existing Control Module

To program an existing 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
  4. Perform the SPS function: Reprogram ECU
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