← View Generic C2004 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
C2004: C2004: Left 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 C2004 Mean on 2021 Honda PASSPORT?
The C2004 code indicates a fault in the left rear suspension strut friction bushing, which can cause uneven tire wear, vibration, and noise.
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Symptoms
- • Uneven tire wear
- • vibration
- • noise
- • and reduced handling
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Common Causes
- • Worn or damaged left rear suspension strut friction bushing
- • loose or worn-out suspension components
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How to Fix C2004 on 2021 Honda PASSPORT
Replace the left rear suspension strut friction bushing, inspect and replace other 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 C2004
C2002
Sequential Code
C2002: ABS System Malfunction
Medium
C2003
Sequential Code
C2003: Brake System Pressure Sensor Circuit Malfunction
Medium
C2005
Sequential Code
C2005: Steering Column Position Sensor Circuit Malfunction
Medium
C2006
Sequential Code
C2006: 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