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Code B0058

Symptoms

• Airbag warning light on the dashboard

• Airbag system not functioning

• Error code stored in the vehicle's computer

Common Causes

• Faulty airbag module

• Damaged wiring or connectors

• Short or open circuit in the airbag system

Glossary

Airbag Module: The control unit that manages the deployment of airbags.

OBD-II Scanner: A device used to read diagnostic trouble codes from a vehicle's computer.

Related Codes

• B0057

• B0059

Laymans terms

This code means there's a problem with the car's airbag system. It's like when a toy's safety button isn't working right, so it might not be safe to use.

Explanation

B0058 indicates an issue with the airbag deployment circuit, often related to a fault in the passenger seat airbag.

Technical description

The B0058 code is triggered when there is a fault in the airbag deployment circuit, specifically related to the passenger seat airbag. This could be due to a short or open circuit, faulty wiring, or a malfunctioning airbag module.

Diagnosis steps

• Scan the vehicle for codes using an OBD-II scanner.

• Inspect the wiring and connectors related to the airbag system.

• Test the airbag module for proper operation.

Repair procedures

• Replace or repair damaged wiring or connectors.

• Replace the faulty airbag module.

• Clear the codes and test the system.

Tools required

• OBD-II scanner

• Multimeter

• Screwdriver set

Estimated repair cost

$200 - $600

Difficulty level

Moderate

Commonly affected vehicles

• Chevrolet Silverado

• GMC Sierra

• Cadillac Escalade

Preventive measures

• Regularly inspect airbag system wiring.

• Avoid water damage to the vehicle's interior.

• Ensure all recalls and service bulletins are addressed.

Error code type

Safety System Issue

User experience recommendations

• Do not ignore the airbag warning light.

• Have the vehicle inspected by a professional as soon as possible.

Warranty information

Airbag systems are often covered under extended warranties. Check with your manufacturer.

Historical data

B0058 has been associated with airbag system faults in various models, often due to wiring issues.

Urgency level

High – Airbag system faults should be addressed immediately to ensure safety.

Legal and safety notice

Driving with a faulty airbag system may be unsafe and could be illegal in some regions.

Testing conditions

• Vehicle ignition in the 'ON' position.

• Airbag system self-test completed.

Component location

The airbag module is typically located under the passenger seat or in the dashboard.

FAQs

Q: Can I drive with the B0058 code?
A: It's not recommended to drive with an airbag system fault, as it may not deploy in an accident.

Q: How do I reset the airbag light?
A: After repairs, use an OBD-II scanner to clear the codes. If the issue is fixed, the light should stay off.

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