← View Generic B0679 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B0679: B0679: 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 B0679 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The B0679 code indicates a malfunction in the audio system, which can cause issues with sound quality, volume control, or amplifier function.
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Symptoms

  • • No sound or distorted sound from speakers
  • • inability to adjust volume
  • • amplifier failure
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Common Causes

  • • Faulty audio amplifier
  • • damaged or corroded wiring
  • • blown fuse
  • • malfunctioning audio control module
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How to Fix B0679 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check and replace blown fuses. 2. Inspect and clean corroded wiring. 3. Replace faulty audio amplifier. 4. Update or replace audio control module software.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Audio amplifier Shop ↗ Wiring harness Shop ↗ Fuses Shop ↗ Audio control module Shop ↗

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Related Diagnostic Codes

Other codes that may appear with B0679

B0677 Sequential Code

B0677: Exterior Lighting Malfunction

Medium
B0678 Sequential Code

B0678: Body Control Module (BCM) Security System Malfunction

Medium
B0680 Sequential Code

B0680: Airbag System Malfunction

High
B0681 Sequential Code

B0681: Climate Control 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