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

This guide is customized for your 2021 Honda PASSPORT

C1857: C1857: Rear Suspension Strut Failure

on 2021 Honda PASSPORT

Fix Cost
$250 - $500
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
Your Vehicle
2021 Honda
PASSPORT
⚠️

Important for 2021 Honda PASSPORT Owners

Before starting repairs, verify which engine your 2021 Honda PASSPORT has. Check your VIN or engine code to ensure you order the correct parts.

📖 What Does C1857 Mean on 2021 Honda PASSPORT?

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
🛠️

How to Fix C1857 on 2021 Honda PASSPORT

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 2021 Honda PASSPORT

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

Essential Tool

Must Have

OBD2 Scanner

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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