← View Generic C0494 Guide Severity: High
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

C0494: C0494: Electronic Stability Control (ESC) Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$200 - $800
Parts & Labor
Difficulty
4/5
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 C0494 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The Electronic Stability Control (ESC) system has detected a malfunction, which may cause loss of traction and stability.
⚠️

Symptoms

  • • Vibration
  • • loss of traction
  • • or sudden loss of power
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Common Causes

  • • Faulty ESC module
  • • faulty wheel speed sensor
  • • faulty yaw rate sensor
  • • faulty steering angle sensor
  • • or faulty brake pressure sensor
🛠️

How to Fix C0494 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check and clear any trouble codes. 2. Inspect and clean all sensors. 3. Replace faulty sensors. 4. Update ESC software if necessary. 5. Check and repair any brake system leaks.

🔧

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

ESC module Shop ↗ wheel speed sensor Shop ↗ yaw rate sensor Shop ↗ steering angle sensor Shop ↗ brake pressure sensor Shop ↗

Essential Tool

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Related Diagnostic Codes

Other codes that may appear with C0494

C0492 Sequential Code

C0492: Rear Suspension Strut or Shock Absorber Fault

Medium
C0493 Sequential Code

C0493: Steering Column Position Sensor Circuit Malfunction

Medium
C0495 Sequential Code

C0495: Traction Control Malfunction

Medium
C0496 Sequential Code

C0496: Wheel Speed Sensor 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