← View Generic C3803 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
C3803: C3803: Suspension Damper or Mount 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 C3803 Mean on 2021 Honda PASSPORT?
This code indicates a problem with the suspension damper or mount, which can cause uneven tire wear, vibrations, and reduced handling.
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Symptoms
- • Uneven tire wear
- • vibrations
- • reduced handling
- • clunking or knocking noises
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Common Causes
- • Damper or mount failure
- • worn or damaged suspension components
- • incorrect tire inflation
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How to Fix C3803 on 2021 Honda PASSPORT
1. Inspect and clean the suspension components. 2. Replace the faulty damper or mount. 3. Check and adjust tire pressure.
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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 C3803
C3801
Sequential Code
C3801: Anti-lock Braking System (ABS) Pump Control Module Fault
High
C3802
Sequential Code
C3802: Brake System Pressure Sensor Circuit Malfunction
Medium
C3804
Sequential Code
C3804: Electric Power Steering (EPS) System Fault
Medium
C3805
Sequential Code
C3805: 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