B0051Critical severity

Deployment Commanded

The airbag system detected a prior deployment event.

Safe to Drive?
No

Have this diagnosed before driving further

Informational only. Consult a qualified mechanic.

Estimated Repair Cost
$500 - $3,000
Common Causes
  • Previous collision with airbag deployment
  • Airbag control module not replaced after collision
Recommended Action

The airbag control module must be replaced after any deployment event.

What does B0051 mean?

The B0051 OBD-II diagnostic trouble code (DTC) indicates: deployment commanded. This is a critical-severity body code that your vehicle's onboard diagnostics system triggers when the airbag system detected a prior deployment event. If your check engine light is on with this code, you should have the vehicle inspected immediately before driving further.

Use Your Service Book to log this diagnostic trouble code to your vehicle's service history, track repairs, and get maintenance reminders — all for free.

Track codes on your vehicle — sign up free

Log OBD-II codes, get maintenance reminders, and keep your complete service history.