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AutoCodes - Lincoln - B12AF LINCOLN

B12AF LINCOLN Code - Front Blower Motor Relay Drive Circuit Shorted To Battery Voltage

- Code Popularity: 450 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
Updated Mar 11, 2019
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|B12AF LINCOLN code possible causes

  • Faulty Front Blower Motor Fuse
  • Faulty Front Blower Motor Relay
  • Front Blower Motor Relay harness is open or shorted
  • Front Blower Motor Relay circuit poor electrical connection
  • Faulty Front Blower Motor
  • Faulty Electronic Manual Temperature Control (EMTC) Module

|How do I fix code B12AF 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 B12AF LINCOLN code

Labor: 1.0

The cost of diagnosing the B12AF 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.

|What are B12AF LINCOLN code possible symptoms?

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

|B12AF LINCOLN code description

Under normal operation, the blower motor relay coil receives ignition voltage through the circuit. The coil receives ground from the Electronic Manual Temperature Control (EMTC) Module through the circuit if any function selector position but OFF is selected. Voltage is supplied to the relay switch contact. When the relay coil is energized, the voltage is delivered to the blower motor through the circuit. Ground for the blower motor is provided through the circuit from the blower resistor or the blower switch (HI). The blower resistor and blower switch are grounded through the circuit.

OBDII Code B12af Lincoln - Front Blower Motor Relay Drive Circuit Shorted To Battery Voltage -
Front Blower Motor Relay Drive Circuit Shorted To Battery Voltage

|Need more information with the B12AF LINCOLN code?

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|Need help with a B12AF LINCOLN code?

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|B12AF LINCOLN code comments

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