The climate seat module sees the driver seat thermo-electric device overheat
What it means
B1111. The climate seat module sees the driver seat thermo-electric device overheat. The module shuts down the driver seat heating and cooling to protect it.
Findings, check these first
- Blocked seat fan or air passage
- Faulty thermo-electric device
- Open or shorted device wiring
- Poor device connector
- Faulty climate controlled seat module
Standard procedure
- Confirm the code and check the seat fan and vents
- Inspect the device wiring and connectors
- Clear any blockage from the seat air passages
- Test the thermo-electric device
- Replace the failed device 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.
- B1111 FORD Driver Thermal Electric Device Control Overtemperature Fault: 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.
- B1111 Ford - Driver Thermal Electric Device Control Overtemperature Fault | 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 B1111. Include your vehicle, the issue and a source if you have one.