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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 238 (HVAC System - Automatic) >> Diagnostic Information and Procedures >> DTC B0223, B0228, B0233, B0408, B0413, B0418, B0423, B1395, or B374A: Recirculation/Main Temperature Control >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
  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, B0418, B0423, or B374A.
    • If the concern or DTC has been corrected 
  3. All OK.
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