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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC System - Automatic >> Diagnostic Information and Procedures >> DTC B0223, B022A, B0233, B023A, B0408, or B0418: Recirculate Position/Air Flow Control/HVAC Actuators/Temperature Control >> Circuit/System Verification

Circuit/System Verification

  1. Perform the Actuator Recalibration (C67)  procedure.
  2. Verify the concern or DTC has been corrected.
    • If the concern or DTC has not been corrected 
    1. Verify DTC B023A is not set.
      • If DTC B023A is set

        Refer to Circuit/System Testing - DTC B023A.

      • If DTC B023A is not set

        Refer to Circuit/System Testing - DTC B0223, B022A, B0233, B0408 or B0418.

    • If the concern or DTC has been corrected 
  3. All OK.
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