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Home >> Chevrolet >> 2015 >> Traverse LS, AWD >> Repair and Diagnosis >> Body & Frame >> Windows >> Fixed And MOVEABLE Window System >> Diagnostic Information and Procedures >> DTC B0283: Rear Defrost Circuit Short Or Open >> Circuit/System Description

Circuit/System Description

The HVAC control module monitors the voltage level on the supply voltage circuit of the RR DEFOG relay. The voltage level should be low while the RR DEFOG relay is de-energized. The voltage will be near system voltage when the HVAC control module energizes the RR DEFOG relay.

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