What is an OBD2 code?

An OBD2 (On-Board Diagnostics) code is a diagnostic trouble code (DTC) generated by your vehicle's computer system when it detects a problem. These codes help identify specific issues with your vehicle's engine, transmission, emissions, or other systems.

How do I read OBD2 codes?

To read OBD2 codes, you'll need an OBD2 scanner. Plug it into your vehicle's OBD2 port (usually located under the dashboard), turn your key to the 'ON' position, and follow your scanner's instructions to retrieve the codes. Each code starts with a letter (P, B, C, or U) followed by four numbers.

What do the different types of OBD2 codes mean?

OBD2 codes are categorized by their first letter: P (Powertrain) for engine and transmission issues, B (Body) for interior systems like airbags, C (Chassis) for mechanical systems like brakes, and U (Network) for computer and module communication problems.

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Home » OBD2 Codes » B0098

Code B0098

Symptoms

• Airbag warning light on

• Airbag system not functioning

• Error message on dashboard

Common Causes

• Faulty airbag sensor

• Damaged wiring or connectors

• Malfunctioning airbag control module

Glossary

OBD-II: On-Board Diagnostics, a system for self-diagnosing vehicle issues.

DTC: Diagnostic Trouble Code, a code that identifies a specific problem in the vehicle.

Related Codes

• B0097

• B0100

Laymans terms

This code means there's a problem with the car's airbag system. It's like when a toy's safety button doesn't work right.

Explanation

The B0098 code indicates a fault in the airbag system, specifically related to a sensor or circuit issue.

Technical description

B0098 is a diagnostic trouble code (DTC) for a fault in the airbag system, often related to a faulty sensor or wiring issue in the passenger airbag circuit.

Diagnosis steps

• Check the airbag warning light.

• Inspect wiring and connectors for damage.

• Test the airbag sensor and control module.

Repair procedures

• Replace faulty airbag sensor.

• Repair or replace damaged wiring.

• Replace airbag control module if necessary.

Tools required

• OBD-II scanner

• Multimeter

• Screwdriver set

Estimated repair cost

$150 - $600

Difficulty level

Moderate

Commonly affected vehicles

• Toyota Camry

• Honda Accord

• Ford F-150

Preventive measures

• Regularly inspect airbag system.

• Avoid moisture exposure to sensors.

• Perform routine diagnostic checks.

Error code type

Safety System Issue

User experience recommendations

• Do not ignore the airbag warning light.

• Have the airbag system checked by a professional.

• Avoid DIY repairs unless experienced.

Warranty information

Airbag system components may be covered under vehicle warranty. Check with the manufacturer.

Historical data

B0098 has been reported in various models due to sensor or wiring faults, often requiring professional diagnosis.

Urgency level

High – Airbag system issues can affect vehicle safety.

Legal and safety notice

Driving with a malfunctioning airbag system can be dangerous and may violate safety regulations.

Testing conditions

• Vehicle stationary

• Ignition on

Component location

Airbag sensors are typically located in the front of the vehicle, near the bumper or under the dashboard.

FAQs

Q: What does the airbag warning light mean?
A: It indicates a problem with the airbag system that needs to be checked.

Q: Can I drive with the B0098 code?
A: It's not recommended as the airbag system may not function properly in an accident.

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

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