B1405 serious

Driver Side Curtain Airbag Deployment Control 1 Circuit — short, open or resistance in a live airbag deployment loop (Ford Restraint Control Module); Side Impact Sensor Front, Passenger Short to Battery (Hyundai/Kia SRSCM); on legacy Ford GEM vehicles, Driver Power Window Down Circuit Short to Battery

The B1405 code means the vehicle's onboard diagnostic system has detected: Driver Side Curtain Airbag Deployment Control 1 Circuit — short, open or resistance in a live airbag deployment loop (Ford Restraint Control Module); Side Impact Sensor Front, Passenger Short to Battery (Hyundai/Kia SRSCM); on legacy Ford GEM vehicles, Driver Power Window Down Circuit Short to Battery. This is a serious severity code.

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Keep driving?
Short distances only
DIY difficulty
moderate
Estimated cost
Varies — depends on the specific component this manufacturer-specific code points to on your vehicle. Diagnose before buying parts.

Manufacturer-specific code. B1405 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.

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Common Symptoms

  • 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

Probable Causes (Ranked by Likelihood)

  • 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

Frequently Asked Questions

Does B1405 mean the same thing on every vehicle?

No. B1405 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 B1405 most likely indicate?

Driver Side Curtain Airbag Deployment Control 1 Circuit — short, open or resistance in a live airbag deployment loop (Ford Restraint Control Module); Side Impact Sensor Front, Passenger Short to Battery (Hyundai/Kia SRSCM); on legacy Ford GEM vehicles, Driver Power Window Down Circuit Short to Battery. Treat this as a general guide and verify the specifics for your vehicle.

Mechanics Guide Step-by-step diagnosis

Step-by-Step Diagnostic Procedure

  1. Confirm your exact make, model, and year first — B1405 is manufacturer-specific and can mean different things across brands.

  2. Read B1405 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.

Sources 4

This page is built from documented references. Verify against your own service info before repair work.

  • 2024 Ford Mustang factory Restraint Control Module DTC listB1405:11/:12/:13/:1A/:2B/:4A, Driver Side Curtain Deployment Control 1
  • Hyundai SRSCM restraint control service manualside impact sensor front passenger, short to battery
  • troublecodes.net
  • superdutypsd.comFord body B-code list

Commonly Affected Vehicles

  • 2007-2017 Chevrolet Silverado
  • 2008-2018 GMC Sierra
  • 2010-2020 Ford F-150
  • 2009-2019 Dodge Ram 1500
  • 2011-2020 Toyota Tundra

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