The body control module sees a fault in the headlamp switch module
What it means
B1130. The body control module sees a fault in the headlamp switch module. The headlamps may not switch on or the switch may not be recognized.
Findings, check these first
- Faulty headlamp switch module
- Open or shorted switch wiring
- Poor switch connector
- Faulty body control module
- Blown fuse in the switch feed
Standard procedure
- Confirm the code and test the headlamp switch module
- Inspect the switch and its connector
- Check the switch circuit for an open or short
- Verify power and ground at the switch
- 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.
- B1130 FORD Headlamp Switch Module: 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.
- B1130 Ford - Headlamp Switch Module | 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 B1130. Include your vehicle, the issue and a source if you have one.