The body control module sees fewer than two keys programmed to the vehicle
What it means
B10D8. The body control module sees fewer than two keys programmed to the vehicle. Spare key programming may fail and the system may warn a key is missing.
Findings, check these first
- Only one key programmed to the vehicle
- A key was erased during service
- Key not recognized during programming
- Faulty passive anti-theft transceiver
- Faulty body control module
Standard procedure
- Confirm the code and count the programmed keys
- Scan for other anti-theft codes
- Program a second known good key
- Inspect the transceiver ring and its connector
- Repeat programming or replace the failed part 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.
- B10D8 FORD PATS Key Less Than Minimum Programmed No Sub Type Information: 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.
- B10d8 Ford - PATS Key Less Than Minimum Programmed No Sub Type Information | AutoCodes.com
archived reference page (autocodes.com via Wayback Machine)
Supports: corroboration of Ford meaning and causes
Fetched directly. Same Ford text as the engine-codes page (both sites share one publisher).
Last updated 2026-09-29.
Report a correction for B10D8. Include your vehicle, the issue and a source if you have one.