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Telescoping Actuator Circuit Malfunction

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector C1 at the telescoping actuator.
  2. Install a test lamp between the control circuit terminal A and the control circuit terminal B.
  3. Command the column to telescope in and out using the tilt/telescope switch. The test lamp should illuminate with each command.
    • If the test lamp does not illuminate, test both control circuit for a short to ground or an open/high resistance. If the circuits test normal, replace the MSM.
  4. If all circuits test normal, test or replace the telescoping actuator.
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