← View Generic B0120 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B0120: B0120: Airbag System Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost

$500 - $1500

Parts & Labor

Difficulty

3/5

1-2 hours

DIY Possible?

❌ No

Pro recommended

Your Vehicle

2020 Chevrolet

SILVERADO 1500 PICKUP

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Important for 2020 Chevrolet SILVERADO 1500 PICKUP Owners

Before starting repairs, verify which engine your 2020 Chevrolet SILVERADO 1500 PICKUP has. Check your VIN or engine code to ensure you order the correct parts.

📖 What Does B0120 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The airbag system has detected a malfunction, which may be due to a faulty sensor, wiring issue, or software problem.

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Symptoms

• Airbag warning light on
• airbag may not deploy in a crash
• or airbag may deploy unexpectedly.

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Common Causes

• Faulty airbag sensor
• wiring issue
• software problem
• or a faulty airbag module.

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How to Fix B0120 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check the airbag sensor and wiring for damage or corrosion. 2. Update the airbag system software. 3. Replace the airbag module if faulty.

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Need Maintenance Info for Your SILVERADO 1500 PICKUP?

Get oil capacity, filter specs, and torque settings for your specific 2020 Chevrolet SILVERADO 1500 PICKUP.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Airbag sensor Shop ↗ Wiring harness Shop ↗ Airbag module Shop ↗

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2020 Chevrolet SILVERADO 1500 PICKUP

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Related Diagnostic Codes

Other codes that may appear with B0120

B0118 Sequential Code

💡 Why These Codes Are Related:

• Similar Issues: Same root cause or component failure
• Related Problems: Often occur together due to system interactions
• Sequential Codes: Progressive failure stages or multiple sensors
• Same System: Components within the same automotive system