OBD Guide
ENFRDEESPT

B1211

Driver Seatbelt Retractor Pretensioner Deployment Control Circuit

B1211 is an OBD-II diagnostic trouble code meaning: Driver Seatbelt Retractor Pretensioner Deployment Control Circuit. Common causes: open or shorted wiring harness, seat belt pretensioner malfunction. Estimated repair cost: $56–167.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • Airbag light is on
  • Seat belt does not tighten in an accident
  • SRS system does not pass self-diagnosis

Causes

  • Open or shorted wiring harness
  • Seat belt pretensioner malfunction
  • Problems with the SRS control unit
  • Corrosion or oxidation of contacts

How to Fix

  1. Check the wiring harness for opens and shorts
  2. Check pretensioner chain resistance
  3. Inspect contacts for corrosion
  4. Replace seat belt pretensioner if necessary
  5. Reset error and check SRS system

Related codes

B1212B1213B1200

FAQ

What does the B1211 code mean?

B1211 is an OBD-II diagnostic trouble code that indicates: Driver Seatbelt Retractor Pretensioner Deployment Control Circuit

What causes a B1211 error code?

The most common causes of B1211 include: Open or shorted wiring harness; Seat belt pretensioner malfunction; Problems with the SRS control unit; Corrosion or oxidation of contacts.

How do I fix a B1211 diagnostic trouble code?

To fix B1211: Check the wiring harness for opens and shorts. Check pretensioner chain resistance. Inspect contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1211?

Do not drive — repair immediately

How much does it cost to fix B1211?

The estimated repair cost for B1211 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat