Engine-Codes - Mercury - B12EA MERCURY

B12EA MERCURY - Radio Frequency Receiver Invalid/Incompatible Configuration

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

B12EA MERCURY Possible Causes

  • Faulty Radio Frequency (RF) Receiver
  • Radio Frequency Receiver harness is open or shorted
  • Radio Frequency Receiver circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How do I fix code B12EA MERCURY?

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 B12EA MERCURY code

Labor: 1.0

The cost of diagnosing the B12EA MERCURY code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

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


The Body Control Module (BCM) monitors the Radio Frequency (RF) Receiver. The BCM sets the OBDII code when the Radio Frequency Receiver is not to factory specifications.

B12EA MERCURY More Information

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