Engine-Codes - Mercury - B11E9 MERCURY

B11E9 MERCURY - Left Rear Door Ajar Switch Circuit Open

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

B11E9 MERCURY Possible Causes

  • Faulty Left Rear Door Ajar Switch
  • Left Rear Door Ajar Switch harness is open or shorted
  • Left Rear Door Ajar Switch circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How do I fix code B11E9 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 B11E9 MERCURY code

Labor: 1.0

The cost of diagnosing the B11E9 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)

B11E9 MERCURY Meaning

The Body Control Module (BCM) monitors the Left Rear Door Ajar Switch. The BCM sets the OBDII code when the Left Rear Door Ajar Switch is not to factory specifications.

B11E9 MERCURY More Information

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