B2444 serious

Driver-Side Crash Sensor Internal Fault (Ford, SRS / restraint)

The B2444 code means the vehicle's onboard diagnostic system has detected: Driver-Side Crash Sensor Internal Fault (Ford, SRS / restraint). This is a serious severity code.

My Garage →
Keep driving?
Yes, but fix soon
DIY difficulty
hard
Estimated cost
Varies — depends on the specific component this manufacturer-specific code points to on your vehicle. Diagnose before buying parts.

Manufacturer-specific code. B2444 is a manufacturer-specific DTC, so its exact definition can differ by make, model, and year. Use the meaning above as a general guide, and always confirm it against your vehicle manufacturer's official service information (or a make-specific scan tool) before diagnosing or replacing parts.

What Are the Symptoms of B2444?

  • Check Engine or a related warning light on
  • Exact symptoms depend on the specific system this code covers for your make
  • A make-specific scan reveals which subsystem and circuit is involved

What Causes B2444? (Most Likely First)

  • A fault in the specific component or circuit this code monitors (the exact part varies by manufacturer) High
  • Damaged wiring, a corroded connector, or a poor ground in that circuit Moderate
  • A related sensor or control module reporting or causing the fault Moderate

Can I Still Drive with B2444?

Yes, but fix soon. B2444 is rated serious severity. It is not an immediate stop-driving fault, but it will not clear itself — book the repair rather than ignoring the light.

Frequently Asked Questions

Can I keep driving with B2444?

Yes, with the repair booked. The airbag system may not protect occupants correctly until this is repaired, so fix it before carrying passengers - but a fault in this circuit does not make the vehicle undriveable, and no manufacturer tells you to stop driving for it.

Does B2444 mean the same thing on every vehicle?

No. B2444 is a manufacturer-specific diagnostic trouble code, so its exact meaning varies by make, model, and year. Always confirm it against your vehicle manufacturer's service information before diagnosing or replacing parts.

What does B2444 most likely indicate?

Driver-Side Crash Sensor Internal Fault (Ford, SRS / restraint). Treat this as a general guide and verify the specifics for your vehicle.

Mechanics Guide Step-by-step diagnosis

How Do You Diagnose B2444?

  1. Confirm your exact make, model, and year first — B2444 is manufacturer-specific and can mean different things across brands.

  2. Read B2444 with an enhanced/make-specific scan tool and check your manufacturer's official service information for the precise definition and procedure.

  3. Inspect the wiring, connectors, and grounds for the indicated circuit before replacing any part.

Which Vehicles Commonly Get B2444?

  • 2008-2020 Ford F-150
  • 2010-2022 Ford Explorer
  • 2012-2023 Ford Fusion
  • 2009-2021 Ford Escape

Explore More

Search codes Vehicle-specific fixes Guides By make

Was this helpful?

Send this to whoever is fixing the car — your mechanic, or the person asking what the light means.

Browse by symptom → Read repair guides → Fixes by vehicle →