← View Generic C3951 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

C3951: C3951: Electric Power Steering (EPS) System 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
⚠️

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 C3951 Mean on 2021 Honda PASSPORT?

The C3951 code indicates a fault in the Electric Power Steering (EPS) system, which may cause the vehicle's steering to become difficult or unresponsive.
⚠️

Symptoms

  • • Difficulty steering
  • • uneven tire wear
  • • vibration while driving
  • • and a warning light on the dashboard.
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Common Causes

  • • Faulty EPS motor
  • • faulty EPS control module
  • • wiring issues
  • • or a problem with the steering gear.
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How to Fix C3951 on 2021 Honda PASSPORT

1. Check the EPS motor for any signs of damage or wear. Replace if necessary. 2. Check the EPS control module for any signs of damage or corrosion. Clean or replace if necessary. 3. Inspect the wiring harness for any signs of damage or wear. Repair or replace if necessary. 4. Check the steering gear for any signs of wear or damage. Replace if necessary.

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Need Maintenance Info for Your PASSPORT?

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Parts for 2021 Honda PASSPORT

EPS motor Shop ↗ EPS control module Shop ↗ wiring harness Shop ↗ steering gear Shop ↗

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2021 Honda PASSPORT

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Related Diagnostic Codes

Other codes that may appear with C3951

C3949 Sequential Code

C3949: Brake System Pressure Sensor Circuit Malfunction

Medium
C3950 Sequential Code

C3950: Suspension Damper Solenoid Valve Circuit Malfunction

Medium
C3952 Sequential Code

C3952: Electronic Stability Control (ESC) Malfunction

Medium
C3953 Sequential Code

C3953: Traction Control System 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