AutoCodes - Lincoln - B12A6 LINCOLN

B12A6 LINCOLN Code - Mode Door Actuator Feedback Circuit Shorted To Ground

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3
Table of contents

|B12A6 LINCOLN code possible causes

  • Stuck or damaged linkage or door
  • Faulty Mode Door Actuator
  • Mode Door Actuator harness is open or shorted
  • Mode Door Actuator circuit poor electrical connection
  • Electronic Manual Temperature Control (EMTC) Module
  • Electronic Automatic Temperature Control (EATC) Module

|How do I fix the B12A6 LINCOLN code?

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 B12A6 LINCOLN code

Labor: 1.0

The cost of diagnosing the B12A6 LINCOLN code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are B12A6 LINCOLN code possible symptoms?

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

|B12A6 LINCOLN code description

Under normal operation, to rotate the mode door actuator clockwise, the Electronic Manual Temperature Control (EMTC) or Electronic Automatic Temperature Control (EATC) module supplies voltage and ground to the floor/defrost/panel mode door actuator motor through the circuit. To rotate the mode door actuator counterclockwise, the EMTC module or EATC module reverses the voltage and ground circuits.
The mode door actuator feedback resistor is supplied a ground from the EMTC module or EATC module and a 5-volt reference voltage. The EMTC module or EATC module reads the voltage on the mode door actuator feedback circuit to determine the mode door actuator position by the position of the actuator feedback resistor wiper arm.
OBDII Code B12a6 Lincoln - Mode Door Actuator Feedback Circuit Shorted To Ground - AutoCodes.com

|Need more information with the B12A6 LINCOLN code?

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|B12A6 LINCOLN code comments

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