OBD Guide
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B1212

Driver Seatbelt Buckle Pretensioner Deployment Control Circuit

B1212 is an OBD-II diagnostic trouble code meaning: Driver Seatbelt Buckle Pretensioner Deployment Control Circuit. Common causes: pretensioner control circuit open, short circuit in the circuit. Estimated repair cost: $56–167.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • SRS/airbag indicator is on
  • Security error message on dashboard
  • Seat belt pretensioner malfunction

Causes

  • Pretensioner control circuit open
  • Short circuit in the circuit
  • Oxidation of contacts in connectors
  • Pretensioner squib malfunction
  • Wiring harness damage
  • SRS module malfunction

How to Fix

  1. Carry out diagnostics of the SSS system with a scanner
  2. Check pretensioner chain resistance
  3. Inspect connectors and contacts for oxidation
  4. Check the condition of the wiring harness
  5. If necessary, replace the pretensioner squib
  6. Reset SRS module errors after repair

Related codes

B1211B1213B1200

FAQ

What does the B1212 code mean?

B1212 is an OBD-II diagnostic trouble code that indicates: Driver Seatbelt Buckle Pretensioner Deployment Control Circuit

What causes a B1212 error code?

The most common causes of B1212 include: Pretensioner control circuit open; Short circuit in the circuit; Oxidation of contacts in connectors; Pretensioner squib malfunction.

How do I fix a B1212 diagnostic trouble code?

To fix B1212: Carry out diagnostics of the SSS system with a scanner. Check pretensioner chain resistance. Inspect connectors and contacts for oxidation. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1212?

Limited driving only, diagnose soon

How much does it cost to fix B1212?

The estimated repair cost for B1212 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat