← View Generic B0479 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B0479: B0479: Audio System Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$100 - $500
Parts & Labor
Difficulty
3/5
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 B0479 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The B0479 code indicates a malfunction in the audio system, which may cause issues with sound quality, volume, or functionality.
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Symptoms

  • • No sound or distorted sound from speakers
  • • inability to change tracks or adjust volume
  • • audio system not responding to commands.
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Common Causes

  • • Faulty audio amplifier
  • • loose or damaged wiring
  • • malfunctioning audio control module
  • • software issue.
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How to Fix B0479 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check and clean audio wiring and connections. 2. Inspect and replace faulty audio amplifier or control module. 3. Update software if necessary. 4. Check for any loose or damaged wiring and repair or replace as needed.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Audio amplifier Shop ↗ Audio control module Shop ↗ Wiring and connectors Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with B0479

B0477 Sequential Code

B0477: Exterior Lighting Malfunction

Medium
B0478 Sequential Code

B0478: Body System Security Malfunction

Medium
B0480 Sequential Code

B0480: Airbag System Fault

High
B0481 Sequential Code

B0481: Climate Control Blower Motor Fault

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