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Home >> GMC >> 2017 >> Terrain SL, Gas >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC System - Automatic >> Diagnostic Information and Procedures >> DTC B0223, B0228, B0233, B0408, B0413, B1395, or B374A: Recirculate Control/Recirculate Position Feedback/Air Flow Control/Main Temperature Control/Air Flow Control Feedback >> Circuit/System Verification
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Circuit/System Verification

  1. Perform the Actuator Recalibration  procedure.
  2. Verify the concern or DTC has been corrected.
    • If the concern or DTC has not been corrected 
    1. Verify DTC B1395 is not set.
      • If DTC B1395 is set, refer to Circuit/System Testing - DTC B1395.
      • If DTC B1395 is not set, refer to Circuit/System Testing - DTC B0223, B0228, B0233, B0408, B0413, or B374A.
    • If the concern or DTC has been corrected 
  3. All OK.
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