← Back to Search Severity: Medium

C0339

C0339: Electric Power Steering (EPS) System Fault

Fix Cost
$200 - $800
Parts & Labor
Difficulty
3/5
Moderate
1-2 hours
DIY Possible?
❌ No
Pro recommended
Category
Chassis
System

📖 What Does C0339 Mean?

The C0339 code indicates a fault in the Electric Power Steering (EPS) system, which may cause the vehicle's steering to become difficult or unresponsive.
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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 malfunctioning steering angle sensor.
Fix Guide
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Possible Solutions

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

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Common Questions About C0339

Q

Can I drive with code C0339?

A

You can drive for a short time, but should address code C0339 soon to avoid worsening the problem or failing an emissions test.

Q

How much does it cost to fix C0339?

A

The estimated repair cost for code C0339 is between $200 and $800. This includes parts and labor for most makes and models.

Q

Is this code easy to fix myself?

A

This repair is considered moderate. It may require specialized tools or significant disassembly. Professional help is recommended if you aren't an experienced DIYer.

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Related Diagnostic Codes

Other codes that may appear with C0339

💡 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