← View Generic C3520 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

C3520: C3520: Wheel Speed Sensor 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 C3520 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The wheel speed sensor malfunction code C3520 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

  • • Traction control system warning light
  • • ABS light
  • • or stability control system warning light
  • • unusual tire wear
  • • vibration while driving
  • • or loss of traction.
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Common Causes

  • • Faulty wheel speed sensor
  • • faulty wiring or connectors
  • • faulty ABS module
  • • or faulty wheel bearing.
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How to Fix C3520 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check the wheel speed sensor for any signs of damage or corrosion. Clean or replace the sensor as needed. 2. Inspect the wiring and connectors for any signs of damage or corrosion. Repair or replace as needed. 3. Check the ABS module for any signs of damage or malfunction. Replace if necessary. 4. Check the wheel bearing for any signs of wear or damage. Replace if necessary.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Wheel speed sensor Shop ↗ Wiring harness Shop ↗ ABS module Shop ↗ Wheel bearing Shop ↗

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Related Diagnostic Codes

Other codes that may appear with C3520

C3518 Sequential Code

C3518: Electronic Stability Control (ESC) Malfunction

Medium
C3519 Sequential Code

C3519: Traction Control System Malfunction

Medium
C3521 Sequential Code

C3521: ABS System Malfunction

High
C3522 Sequential Code

C3522: Brake System Pressure Sensor Circuit 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