← View Generic C0604 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

C0604: C0604: Rear Suspension Strut or Shock Absorber Fault

on 2021 Honda PASSPORT

Fix Cost

$200 - $800

Parts & Labor

Difficulty

3/5

1-2 hours

DIY Possible?

❌ No

Pro recommended

Your Vehicle

2021 Honda

PASSPORT

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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 C0604 Mean on 2021 Honda PASSPORT?

This code indicates a fault in the rear suspension strut or shock absorber, which can cause uneven tire wear, reduced ride quality, and potentially affect vehicle stability.

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Symptoms

• Bouncy ride
• uneven tire wear
• reduced braking performance
• vibration while driving

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Common Causes

• Faulty rear suspension strut or shock absorber
• worn or damaged bushings
• loose or broken suspension mounts

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How to Fix C0604 on 2021 Honda PASSPORT

Replace the faulty rear suspension strut or shock absorber, inspect and replace worn or damaged bushings, tighten or replace loose or broken suspension mounts

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Need Maintenance Info for Your PASSPORT?

Get oil capacity, filter specs, and torque settings for your specific 2021 Honda PASSPORT.

View 2021 Honda PASSPORT Specs

Parts for 2021 Honda PASSPORT

Rear suspension strut or shock absorber Shop ↗ Bushings Shop ↗ Suspension mounts Shop ↗

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Related Diagnostic Codes

Other codes that may appear with C0604

C0602 Sequential Code

💡 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