B10F1 - Key In Switch Circuit Open

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What does this mean?

B10F1 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)

First diagnose B10F1 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 terminals.

Cost of diagnosing the B10F1 code

    Labor: 1.0

    The cost of diagnosing the B10F1 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.

B10F1 Possible Symptoms

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

B10F1 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.
OBDII Code B10F1 - Key In Switch Circuit Open - Engine-Codes.com

B10F1 More Information

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B10F1 Information for specific makes

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