B1966 FORD – A/C Post Heater Sensor Circuit Failure

B1966 FORD Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

B1966 FORD Possible Causes

Faulty A/C Post Heater Sensor,A/C Post Heater Sensor harness is open or shorted,A/C Post Heater Sensor circuit poor electrical connection,Faulty Dual Automatic Temperature Control (DATC) Module

B1966 FORD Description

The Dual Automatic Temperature Control (DATC) Module monitors the A/C Post Heater Sensor. The DATC sets the OBDII code when the A/C Post Heater Sensor is not to factory specifications.