← View Generic C0406 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

C0406: C0406: ABS System Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$150 - $300
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 C0406 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The ABS system has detected a malfunction in the wheel speed sensor circuit, which may cause the ABS system to malfunction or not function at all.
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Symptoms

  • • ABS warning light on
  • • vehicle may vibrate or pull to one side
  • • reduced braking performance
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Common Causes

  • • Faulty wheel speed sensor
  • • wiring issue
  • • sensor connector corrosion
  • • ABS module failure
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How to Fix C0406 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check and clean the wheel speed sensor connector and wiring. 2. Replace the wheel speed sensor if faulty. 3. Check the ABS module for any signs of failure and replace if necessary.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Wheel speed sensor Shop ↗ ABS module Shop ↗

Essential Tool

Must Have

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Related Diagnostic Codes

Other codes that may appear with C0406

C0404 Sequential Code

C0404: Traction Control System Malfunction

Medium
C0405 Sequential Code

C0405: Wheel Speed Sensor Malfunction

Medium
C0407 Sequential Code

C0407: Brake System Malfunction

Medium
C0408 Sequential Code

C0408: Rear Suspension Control Arm Fracture

High

💡 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