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Code B0003

Symptoms

• Airbag warning light on

• Airbag system disabled

• Possible error message on dashboard

Common Causes

• Faulty passenger airbag

• Damaged wiring or connectors

• Defective airbag control module

Glossary

Airbag: A safety device designed to inflate rapidly in the event of a collision.

Control Module: A computer that controls various functions of the car, including safety systems.

Related Codes

• B0001

• B0002

Laymans terms

This code means there's a problem with the car's airbag system, specifically the part that helps control the airbag on the passenger side.

Explanation

B0003 indicates an issue with the passenger side airbag deployment circuit.

Technical description

The B0003 code is triggered when the airbag control module detects a fault in the passenger side airbag deployment loop. This could be due to a short or open circuit, or a problem with the airbag itself.

Diagnosis steps

• Check the airbag warning light status

• Inspect passenger airbag wiring and connectors

• Test the airbag control module for faults

Repair procedures

• Replace faulty passenger airbag

• Repair or replace damaged wiring/connectors

• Replace airbag control module if necessary

Tools required

• OBD-II scanner

• Multimeter

• Screwdrivers

Estimated repair cost

$200 - $600

Difficulty level

Moderate

Commonly affected vehicles

• Toyota Camry

• Honda Accord

• Ford Fusion

Preventive measures

• Regularly inspect airbag system

• Avoid tampering with airbag components

• Ensure proper maintenance of electrical systems

Error code type

Safety System Issue

User experience recommendations

• Do not ignore the airbag warning light

• Consult a professional mechanic for diagnosis

• Avoid DIY repairs on airbag systems

Warranty information

Airbag systems are often covered under extended warranties due to safety concerns.

Historical data

Airbag system issues have been a focus of safety recalls and improvements over the years.

Urgency level

High – Airbag issues can compromise vehicle safety.

Legal and safety notice

Airbag system repairs should only be performed by qualified professionals to ensure safety.

Testing conditions

• Vehicle ignition on

• Airbag system self-test initiated

Component location

The passenger airbag is located in the dashboard on the passenger side.

FAQs

Q: Can I drive with the B0003 code?
A: It's not recommended to drive with an airbag fault as it may compromise safety.

Q: Will disconnecting the battery reset the B0003 code?
A: Disconnecting the battery may reset the code temporarily, but the underlying issue needs to be addressed.

Last updated: Oct 28, 2025 • Source: internal database
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