B0057critical severityBody

Rear Right Seat Belt Pretensioner Circuit

on 2012 Ford Focus Electric Motor · FWD

What this code means

Malfunction in the rear right seat belt pretensioner deployment circuit.

Symptoms

  • Airbag/seatbelt warning light on
  • SRS code stored
  • Rear right pretensioner inoperative

Common causes

  • Faulty pretensioner
  • Wiring damage
  • Connector corrosion
  • Previous rear collision

Diagnostic steps

  1. Scan SRS codes
  2. Check rear right pretensioner connector
  3. Inspect wiring
  4. Measure circuit resistance

Repair notes

Replace pretensioner or repair wiring.

Other Body codes on this vehicle

🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
Stuck on this repair? Ask a Master Tech about this exact car → real human answer within 24h, never AI
⚠ STILL BEHIND THE PAYWALL
The 2012 Ford Focus repair data is incomplete because no one has sponsored it yet. For $99, we generate the full step-by-step procedures, then fact-check them with a second AI pass and your expert review. Your name on every procedure, permanently.
The same data would cost $169/mo from Mitchell1 or $30/year from ALLDATAdiy — and you'd be renting access, not freeing it. Sponsor once, free forever.
Sponsor the Ford Focus — $99 →
Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →