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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 231 (HVAC - Automatic) >> Diagnostic Information and Procedures >> Actuator Recalibration

Actuator Recalibration

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:

Do not operate any HVAC controls while the system is calibrating as this may interrupt the process. If interrupted, improper HVAC performance may result.

  1. Connect a scan tool. Ignition ON.
  2. Navigate to the module diagnostics menu
  3. Select BCM
  4. Select Configuration/ Reset Functions menu
  5. Select HVAC Actuators Learn. Follow all on-screen instructions.
  6. Clear DTCs after learn is complete. Operate the system and verify proper operation.