← View Generic C3734 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

C3734: C3734: Electric Power Steering (EPS) 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 C3734 Mean on 2021 Honda PASSPORT?

The C3734 code indicates a fault in the Electric Power Steering (EPS) system, which may cause the steering to become difficult or unresponsive.
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Symptoms

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

  • • Faulty EPS motor
  • • faulty EPS control module
  • • loose or damaged wiring
  • • or a malfunctioning steering angle sensor.
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How to Fix C3734 on 2021 Honda PASSPORT

1. Check the EPS motor for any signs of damage or wear. Replace if necessary. 2. Inspect and clean the EPS wiring and connectors. 3. Check the steering angle sensor for any signs of damage or malfunction. Replace if necessary. 4. Update the EPS control module software if necessary.

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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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Parts for 2021 Honda PASSPORT

EPS motor Shop ↗ EPS control module Shop ↗ steering angle sensor Shop ↗ wiring and connectors Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with C3734

C3732 Sequential Code

Chassis System Code C3732 - Brake System

High
C3733 Sequential Code

Chassis System Code C3733 - Suspension

High
C3735 Sequential Code

C3735: Electronic Stability Control (ESC) Malfunction

Medium
C3736 Sequential Code

C3736: 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