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International Automotive Technicians Network
Re: Blend Door Diagnostics fixes No Heat Condition
Posted to Technical Discussion Forum on 10/1/2018

Taken from Ford info found on Identifix

"During an actuator calibration cycle, the HVAC module drives the temperature blend door until the door reaches both internal stops in the HVAC case. If the temperature blend door is temporarily obstructed or binding du... Login to read more.