P1438 FORD – A/C Evaporator Air Temperature Circuit Range/Performance

P1438 FORD Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P1438 FORD Possible Causes

Faulty A/C Evaporator Air Temperature Sensor,A/C Evaporator Air Temperature Sensor harness is open or shorted,A/C Evaporator Air Temperature Sensor circuit poor electrical connection

P1438 FORD Description

The Engine Control Module (ECM) detected the evaporator control circuit had a range/performance condition.