SAE Standard Definition

B0001

Driver Frontal Stage 1 Deployment Control

A fault has been detected in the driver frontal airbag deployment circuit.

Critical Issue- Do not drive this vehicle
Critical
Do not drive professional-only
Estimated Cost (USD)$100 - $1,000
BudgetMajor
Estimated Labor~1.5 hours

The airbag control module has detected a malfunction in the driver side frontal airbag stage 1 deployment circuit. This could mean the airbag may not deploy in a crash, or in rare cases could deploy unexpectedly. This is a safety-critical code.

Symptoms

Airbag warning light on
SRS light illuminated
Possible airbag system deactivation

Common Causes

Clock spring failure

HIGH

The spiral cable in the steering column that connects the airbag has worn out or broken.

Airbag module connector issue

MEDIUM

Corroded or loose connection at the airbag module.

Faulty airbag module

LOW

The airbag inflator itself has an internal fault.

Step-by-Step Diagnosis

1

Read full SRS codes

easy

Use an SRS-capable scanner to read all airbag system codes and freeze frame data.

Tools:SRS-capable scanner
2

Inspect clock spring

medium

Check the spiral cable connector. Horn and steering wheel buttons not working = clock spring.

Tools:Basic tools
3

Professional repair

professional

Airbag system repairs should be done by a qualified technician. Improper handling can cause deployment.

Tools:Professional tools

Frequently Asked Questions

Disclaimer

The information on this page is provided for general educational and reference purposes only. ErrorCodes is not a substitute for professional automotive diagnosis or repair. Diagnostic trouble codes indicate areas for further investigation and do not definitively identify the failed component. The same code can have different causes depending on your specific vehicle, its history, and conditions. Always consult a qualified, certified mechanic before performing repairs. ErrorCodes assumes no liability for any repairs made based on information found on this site.