The display module sees a fault in the multifunction switch
What it means
B10BD. The display module sees a fault in the multifunction switch. The buttons may not respond or may select the wrong function.
Findings, check these first
- Faulty multifunctional switch
- Open or shorted switch wiring
- Poor connector at the switch
- Faulty front control and display interface module
- Sticking or worn switch contacts
Standard procedure
- Confirm the code and test each switch function
- Inspect the multifunction switch and its connector
- Check the switch wiring for an open or short
- Test the switch inputs at the display module
- Replace the failed switch or module after tests
Code lookup
Type a code above, or start from a symptom or a common code.
Press / to jump to the box. Ford-enhanced powertrain, body, chassis and network codes. Generic P0xxx codes live on OBD Codes List.
Sources and review
Review: checked against the recorded source material.
- B10BD FORD: Code Meaning, Causes, Symptoms, & Tech Notes | Engine-Codes.com
archived reference page (engine-codes.com via Wayback Machine)
Supports: code identity, Ford meaning and possible causes
Fetched directly. Ford title, meaning and causes match the catalog record. Model and year fitment remain curator claims.
- B10BD FORD Multifunctional Switch | AutoCodes.com
archived reference page (autocodes.com via Wayback Machine)
Supports: corroboration of Ford meaning and causes
Same Ford text as the engine-codes page (both sites share one publisher).
Last updated 2026-09-26.
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