← View Generic C0042 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

C0042: C0042: ABS System Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$200 - $800
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 C0042 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The ABS system has malfunctioned, likely due to a faulty wheel speed sensor or a problem with the ABS module.
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Symptoms

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

  • • Faulty wheel speed sensor
  • • ABS module failure
  • • wiring issue
  • • faulty brake sensor
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How to Fix C0042 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check and clear any trouble codes. 2. Inspect and replace faulty wheel speed sensor. 3. Check and repair any wiring issues. 4. Replace ABS module if faulty.

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Need Maintenance Info for Your SILVERADO 1500 PICKUP?

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

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

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2020 Chevrolet SILVERADO 1500 PICKUP

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🔗

Related Diagnostic Codes

Other codes that may appear with C0042

C0040 Sequential Code

C0040: Traction Control System Malfunction

Medium
C0041 Sequential Code

C0041: Wheel Speed Sensor Malfunction

Medium
C0043 Sequential Code

C0043: Brake System Pressure Sensor Circuit Malfunction

Medium
C0044 Sequential Code

C0044: Suspension Damper or Mount 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