← View Generic C0346 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

C0346: C0346: 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 C0346 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The C0346 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
  • • and a warning light on the dashboard.
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Common Causes

  • • Faulty EPS motor
  • • faulty EPS control module
  • • loose or damaged electrical connections
  • • or a malfunctioning steering angle sensor.
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How to Fix C0346 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check and clear any trouble codes. 2. Inspect and clean the EPS motor and control module electrical connections. 3. Replace the EPS motor or control module if faulty. 4. Check and adjust the steering angle sensor if necessary.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

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

Essential Tool

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Related Diagnostic Codes

Other codes that may appear with C0346

C0344 Sequential Code

C0344: Brake System Malfunction

Medium
C0345 Sequential Code

C0345: Left Front Suspension Strut Friction Bushing Fault

Medium
C0347 Sequential Code

C0347: Electronic Stability Control (ESC) Malfunction

High
C0348 Sequential Code

C0348: 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