← View Generic C1389 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

C1389: C1389: 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 C1389 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The C1389 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
  • • wiring issues
  • • or a malfunctioning steering angle sensor.
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How to Fix C1389 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Disconnect the battery to reset the EPS system. 2. Check and replace the EPS motor if faulty. 3. Inspect and repair any wiring issues. 4. Replace the EPS control module if faulty. 5. Check and calibrate the steering angle sensor.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

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

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Related Diagnostic Codes

Other codes that may appear with C1389

C1387 Sequential Code

C1387: Brake System Pressure Sensor Circuit Malfunction

Medium
C1388 Sequential Code

C1388: Suspension Damper or Mount Fault

Medium
C1390 Sequential Code

C1390: Electronic Stability Control (ESC) Malfunction

Medium
C1391 Sequential Code

C1391: 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