The restraint control module sees a fault in the driver seatbelt retractor pretensioner deployment loop
What it means
B1211. The restraint control module sees a fault in the driver seatbelt retractor pretensioner deployment loop. The airbag warning light may stay on and the restraint may not deploy..
Findings, check these first
- Faulty driver seatbelt retractor pretensioner
- Driver seatbelt retractor pretensioner harness open or shorted
- Poor electrical connection in the deployment loop
- Faulty restraint control module
Standard procedure
- Confirm the code and check the deployment loop resistance
- Inspect the pretensioner connector and terminals
- Check the circuit for an open or short
- Test for an intermittent fault from harness movement
- Replace the failed part or module only after tests
Code lookup
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Sources and review
Review: qualified. Read the source limits below.
- B1211 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 B1211
Fetched directly. B1211 reads "Driver Seatbelt Retractor Pretensioner Deployment Control Circuit". obdii.pro carries this code only with Toyota/GM clauses, so there is no Ford-family corroboration.
Last updated 2026-10-02.
Report a correction for B1211. Include your vehicle, the issue and a source if you have one.