← View Generic C3789 Guide
Severity: High
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
C3789: C3789: Front Left Lower Control Arm Fracture
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
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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 C3789 Mean on 2021 Honda PASSPORT?
This code indicates a fracture in the front left lower control arm, which affects the suspension's ability to absorb bumps and maintain vehicle stability.
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Symptoms
- • Uneven tire wear
- • loose steering
- • clunking or rattling noises when driving over bumps
- • and reduced handling and braking performance.
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Common Causes
- • Front left lower control arm fracture
- • worn or damaged bushings
- • loose or damaged control arm mounting hardware.
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How to Fix C3789 on 2021 Honda PASSPORT
Replace the front left lower control arm, inspect and replace bushings as needed, tighten or replace mounting hardware.
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Need Maintenance Info for Your PASSPORT?
Get oil capacity, filter specs, and torque settings for your specific 2021 Honda PASSPORT.
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Essential Tool
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Related Diagnostic Codes
Other codes that may appear with C3789
C3787
Sequential Code
C3787: ABS System Malfunction
High
C3788
Sequential Code
Chassis System Code C3788 - Brake System
High
C3790
Sequential Code
C3790: Steering Column Lock Actuator Circuit Malfunction
Medium
C3791
Sequential Code
C3791: 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