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Home >> Chevrolet >> 2017 >> Traverse LS, FWD >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC System - Automatic >> Diagnostic Information and Procedures >> DTC B0228, B0413, B0423, B0433, B3779, or B3782: Recirculate Position Feedback Circuit, Recirculate Position Circuit, Temperature Control Feedback Circuit, Temperature Control Circuit Actuator, Air Flow Control Feedback Circuit >> Diagnostic Aids

Diagnostic Aids

During diagnosis, it is important to verify that the air control door and any associated components (linkage, cams, gears, etc.) operate properly. Inspect for any conditions that may limit or prevent the air control door from moving smoothly or moving through its full range of travel. Any mechanical issues should be corrected first, before proceeding with electrical diagnosis.

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