← View Generic C3674 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

C3674: C3674: Wheel Speed Sensor Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$100 - $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 C3674 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The wheel speed sensor malfunction code indicates a problem with the wheel speed sensor circuit, which monitors the speed of the vehicle's wheels and sends the data to the vehicle's computer.
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Symptoms

  • • ABS light on
  • • vehicle may vibrate or pull to one side
  • • reduced traction control
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Common Causes

  • • Faulty wheel speed sensor
  • • wiring issue
  • • sensor connector corrosion
  • • faulty ABS module
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How to Fix C3674 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 and clear any other trouble codes. 4. Test the ABS system to ensure it's functioning properly.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Wheel speed sensor Shop ↗ Sensor connector Shop ↗ Wiring harness Shop ↗

Essential Tool

Must Have

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Related Diagnostic Codes

Other codes that may appear with C3674

C3672 Sequential Code

C3672: Electronic Stability Control (ESC) Malfunction

High
C3673 Sequential Code

C3673: Traction Control System Malfunction

Medium
C3675 Sequential Code

Chassis System Code C3675 - ABS System

High
C3676 Sequential Code

Chassis System Code C3676 - Brake System

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