← View Generic C3439 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
C3439: C3439: Rear Suspension Strut Friction Bushing Fault
on 2021 Honda PASSPORT
Fix Cost
$150 - $300
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 C3439 Mean on 2021 Honda PASSPORT?
This code indicates a fault in the rear suspension strut friction bushing, which can cause uneven tire wear, vibration, and noise.
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Symptoms
- • Unusual noise
- • vibration
- • uneven tire wear
- • reduced ride quality
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Common Causes
- • Worn or damaged strut friction bushing
- • loose or worn-out suspension components
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How to Fix C3439 on 2021 Honda PASSPORT
Replace the rear suspension strut friction bushing, inspect and replace any loose or worn-out suspension components
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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 SpecsParts for 2021 Honda PASSPORT
Essential Tool
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Related Diagnostic Codes
Other codes that may appear with C3439
C3437
Sequential Code
C3437: ABS System Malfunction
Medium
C3438
Sequential Code
Chassis System Code C3438 - Brake System
High
C3440
Sequential Code
C3440: Electric Power Steering (EPS) System Fault
Medium
C3441
Sequential Code
C3441: 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