← View Generic C1857 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

C1857: C1857: Rear Suspension Strut Failure

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 C1857 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The C1857 code indicates a fault in the rear suspension strut, which may be due to worn-out or damaged components, such as the strut itself, the spring seat, or the strut mount.
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Symptoms

  • • Bouncy ride
  • • uneven tire wear
  • • reduced suspension travel
  • • and a clunking or rattling noise from the rear suspension
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Common Causes

  • • Worn-out or damaged rear suspension strut
  • • spring seat
  • • or strut mount
  • • loose or worn-out suspension bushings
  • • or incorrect tire inflation
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How to Fix C1857 on 2020 Chevrolet SILVERADO 1500 PICKUP

Replace the rear suspension strut, spring seat, and strut mount, inspect and replace suspension bushings if necessary, and check tire inflation and adjust if necessary

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Rear suspension strut Shop ↗ Spring seat Shop ↗ Strut mount Shop ↗ Suspension bushings Shop ↗

Essential Tool

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Related Diagnostic Codes

Other codes that may appear with C1857

C1855 Sequential Code

C1855: ABS System Malfunction

Medium
C1856 Sequential Code

C1856: Brake System Pressure Sensor Circuit Malfunction

Medium
C1858 Sequential Code

C1858: Steering Column Position Sensor Circuit Malfunction

Medium
C1859 Sequential Code

C1859: 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