B0020

Left Side Airbag Deployment Control

OBD-II diagnostic trouble code B0020indicates a fault detected by the vehicle's onboard computer. This code applies to all OBD-II compliant vehicles and should be addressed promptly to avoid potential engine or emissions system damage.

Severity Level 2 — Low

This code indicates a minor issue that is unlikely to cause immediate driveability problems. You can typically continue driving but should have the vehicle inspected at your earliest convenience.

Common Symptoms

• Warning light or message on dashboard
• Affected system may not function

Possible Causes

• Left Side Airbag Deployment Control
• Body control module fault
• Wiring or sensor issue

Common Fixes

• Scan body control module with diagnostic tool
• Check affected system fuse and relay
• Inspect wiring harness

Estimated Repair Cost

These are estimated costs based on generic repair data. Actual costs may vary depending on your vehicle, location, and labor rates.

Explore Repair Costs

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