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Home >> Cadillac >> 2017 >> CTS Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 140 (Programming And Setup - All Systems) >> Repair Instructions >> K71 Transmission Control Module: Programming and Setup (TL-80SN (MGG)) >> Unsuccessful Programming Recovery
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Unsuccessful Programming Recovery

WARNING: This page is about a different car, the 2016 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

If programming a control module is not successful, perform the following procedure:

  1. Verify the control module, data link connector and programming tool connections are secure and the SPS software is up to date.
  2. Ignition On/Vehicle in Service Mode.
  3. Perform the SPS function: Reprogram ECU

    Verify the control module programming is successful.

    • If the programming is not successful 
    1. Ignition/Vehicle Off for greater than 1 min.
    2. Ignition On/Vehicle in Service Mode.
    3. Perform the SPS function: Reprogram ECU
      • If the programming is not successful » Replace the component: K71 Transmission Control Module
      • If the programming is successful
    4. All OK.
    • If the programming is successful 
  4. All OK.
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