The body control module sees a general electrical failure in the left rear door ajar switch circuit
What it means
B11C0. The body control module sees a general electrical failure in the left rear door ajar switch circuit. The module may not detect the left rear door correctly..
Findings, check these first
- Faulty left rear door ajar switch
- Left rear door ajar switch harness open or shorted
- Poor electrical connection in the door ajar circuit
- Faulty body control module
Standard procedure
- Confirm the code and test the door ajar switch circuit
- Inspect the door ajar switch and its connector
- Check the harness for an open or short
- Verify the module power and ground
- Replace the failed switch or module after tests
Code lookup
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Sources and review
Review: qualified. Read the source limits below.
- B11C0 FORD Code: Meaning, Causes, and Symptoms | OBD2 Codes - OBD2 Codes
live reference page (obd2-codes.co)
Supports: FORD and Ford-family meaning and likely causes for B11C0
Fetched directly. B11C0 reads "Driver Side Rear Door Ajar Switch General Electrical Failure". obdii.pro carries no definition for this code, so there is no Ford-family corroboration.
Last updated 2026-10-02.
Report a correction for B11C0. Include your vehicle, the issue and a source if you have one.