← View Generic C0339 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

C0339: C0339: Electric Power Steering (EPS) System Fault

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$200 - $800
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
Your Vehicle
2020 Chevrolet
SILVERADO 1500 PICKUP
⚠️

Important for 2020 Chevrolet SILVERADO 1500 PICKUP Owners

Before starting repairs, verify which engine your 2020 Chevrolet SILVERADO 1500 PICKUP has. Check your VIN or engine code to ensure you order the correct parts.

📖 What Does C0339 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

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.
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How to Fix C0339 on 2020 Chevrolet SILVERADO 1500 PICKUP

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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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

EPS motor Shop ↗ EPS control module Shop ↗ wiring harness Shop ↗ steering angle sensor Shop ↗

Essential Tool

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Related Diagnostic Codes

Other codes that may appear with C0339

C0337 Sequential Code

C0337: Brake System Malfunction

Medium
C0338 Sequential Code

C0338: Suspension Damper or Mount Fault

Medium
C0340 Sequential Code

C0340: Electronic Stability Control (ESC) Malfunction

Medium
C0341 Sequential Code

C0341: 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