Engine-Codes - Mercury - B10F1 MERCURY

B10F1 MERCURY - Key In Switch Circuit Open

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

B10F1 MERCURY Possible Causes

  • Faulty Key-in-ignition switch
  • Key-in-ignition switch harness is open or shorted
  • Key-in-ignition switch circuit poor electrical connection
  • Faulty Body Control Module (BCM)
  • Faulty Instrument Panel Cluster (IPC)

How is the B10F1 MERCURY code repair?

Start by checking 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.

What is the cost to diagnose the B10F1 MERCURY code

Labor: 1.0

The cost to diagnose the B10F1 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)

B10F1 MERCURY Meaning

The chime can sound all the time as a result of a key-in-ignition warning chime concern or a headlamps on warning chime concern. The OBDII code sets if the Body Control Module (BCM) detects an open on the key-in-ignition switch input circuit or if the BCM detects ignition START, RUN/START or RUN/ACC inputs without the key-in-ignition input.

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