A/C Post Heater Sensor Circuit Failure


Table of contents

B1966 LINCOLN 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

How do I fix code B1966 LINCOLN?

  Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.

Cost of diagnosing the B1966 LINCOLN code

  The cost of diagnosing the B1966 LINCOLN code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

B1966 LINCOLN 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.

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