← View Generic B1104 Guide Severity: High
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B1104: B1104: Airbag System Fault

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$200 - $1000
Parts & Labor
Difficulty
4/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
Your Vehicle
2020 Chevrolet
SILVERADO 1500 PICKUP
⚠️

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 B1104 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.
⚠️

Symptoms

  • • Airbag warning light illuminated
  • • airbag may not deploy in a crash
  • • unusual noises or vibrations from the airbag module.
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Common Causes

  • • Faulty airbag sensor
  • • wiring issue
  • • faulty airbag module
  • • incorrect calibration
  • • or software issue.
🛠️

How to Fix B1104 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check the airbag sensor and wiring for damage or corrosion. 2. Inspect the airbag module for signs of physical damage or malfunction. 3. Update the airbag system software if necessary. 4. Replace the faulty airbag sensor or module if necessary.

🔧

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

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

Essential Tool

Must Have

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Related Diagnostic Codes

Other codes that may appear with B1104

B1102 Sequential Code

B1102: Body Control Module (BCM) Security System Malfunction

Medium
B1103 Sequential Code

B1103: Audio System Malfunction

Medium
B1105 Sequential Code

B1105: Climate Control System Malfunction

Medium
B1106 Sequential Code

B1106: Door Locks Malfunction

Medium

💡 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