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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 110 (Seat Heating And Cooling) >> Diagnostic Information and Procedures >> Symptoms - Seat Heating and Cooling >> Notes

Symptoms - Seat Heating and Cooling: Notes

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
    NOTE:

    The following steps must be completed before using the symptom lists.

  1. Perform the Diagnostic System Check prior to using this diagnostic procedure: Diagnostic System Check - Vehicle
    • Verify that no DTCs are set.
    • The control modules can communicate via the serial data link.
  2. Review the description of Strategy Based Diagnosis: Strategy Based Diagnosis
  3. Review the system description and operation in order to familiarize yourself with the system functions.Refer to: Heated/Vented Seat Description and Operation 
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