← View Generic C3187 Guide Severity: High
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

C3187: C3187: Front Left Lower Control Arm Fracture

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$250 - $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 C3187 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

This code indicates a fracture in the front left lower control arm, which can cause uneven tire wear, reduced suspension travel, and vibrations while driving.
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Symptoms

  • • Uneven tire wear
  • • reduced suspension travel
  • • vibrations while driving
  • • clunking or rattling noises from the front suspension
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Common Causes

  • • Front left lower control arm fracture
  • • worn or damaged bushings
  • • loose or worn-out ball joints
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How to Fix C3187 on 2020 Chevrolet SILVERADO 1500 PICKUP

Replace the front left lower control arm, inspect and replace worn or damaged bushings, inspect and replace loose or worn-out ball joints

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Front left lower control arm Shop ↗ Bushings Shop ↗ Ball joints Shop ↗

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Related Diagnostic Codes

Other codes that may appear with C3187

C3185 Sequential Code

C3185: ABS System Malfunction

High
C3186 Sequential Code

C3186: Brake System Pressure Sensor Circuit Malfunction

Medium
C3188 Sequential Code

C3188: Electric Power Steering (EPS) Fault

Medium
C3189 Sequential Code

C3189: Electronic Stability Control (ESC) 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