Driver Power Window Up Switch Circuit Failure (Ford/Lincoln/Mercury, legacy GEM/BCM); Side Impact Sensor (SIS) Front, Passenger — Defect (Hyundai/Kia SRSCM)
The B1403 code means the vehicle's onboard diagnostic system has detected: Driver Power Window Up Switch Circuit Failure (Ford/Lincoln/Mercury, legacy GEM/BCM); Side Impact Sensor (SIS) Front, Passenger — Defect (Hyundai/Kia SRSCM). This is a serious severity code.
- 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. B1403 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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What Are the Symptoms of B1403?
- 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 B1403? (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 B1403?
Short distances only. B1403 is rated serious severity. Keep trips short and get it diagnosed soon rather than waiting for symptoms to worsen.
Frequently Asked Questions
Does B1403 mean the same thing on every vehicle?
No. B1403 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 B1403 most likely indicate?
Driver Power Window Up Switch Circuit Failure (Ford/Lincoln/Mercury, legacy GEM/BCM); Side Impact Sensor (SIS) Front, Passenger — Defect (Hyundai/Kia SRSCM). Treat this as a general guide and verify the specifics for your vehicle.
Mechanics Guide Step-by-step diagnosis
How Do You Diagnose B1403?
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Confirm your exact make, model, and year first — B1403 is manufacturer-specific and can mean different things across brands.
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Read B1403 with an enhanced/make-specific scan tool and check your manufacturer's official service information for the precise definition and procedure.
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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.
- Hyundai SRSCM restraint control service manual"B1403 SIS (Side Impact Sensor) front - Passenger defect"
- troublecodes.net
- superdutypsd.comFord body B-code list
- autocodes.com / engine-codes.com
Which Vehicles Commonly Get B1403?
- 2007-2017 Ford F-150
- 2008-2018 Chevrolet Silverado
- 2010-2020 Dodge Ram 1500
- 2009-2019 Toyota Camry
- 2011-2020 Honda CR-V
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