← View Generic C0138 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

C0138: C0138: Traction Control Malfunction

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 C0138 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The traction control system has detected a malfunction, likely due to a faulty wheel speed sensor or a problem with the traction control module.
⚠️

Symptoms

  • • Loss of traction
  • • slipping or sliding of wheels
  • • reduced power to wheels
  • • or a warning light on the dashboard.
🔍

Common Causes

  • • Faulty wheel speed sensor
  • • faulty traction control module
  • • loose or damaged wheel bearings
  • • or a problem with the vehicle's anti-lock braking system (ABS).
🛠️

How to Fix C0138 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check and clean the wheel speed sensors. 2. Replace the faulty wheel speed sensor. 3. Check and replace the traction control module if necessary. 4. Inspect and replace loose or damaged wheel bearings. 5. Check and repair any issues with the ABS system.

🔧

Need Maintenance Info for Your SILVERADO 1500 PICKUP?

Get oil capacity, filter specs, and torque settings for your specific 2020 Chevrolet SILVERADO 1500 PICKUP.

View 2020 Chevrolet SILVERADO 1500 PICKUP Specs

Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Wheel speed sensor Shop ↗ Traction control module Shop ↗ Wheel bearings Shop ↗

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2020 Chevrolet SILVERADO 1500 PICKUP

Shop Scanners ↗
🔗

Related Diagnostic Codes

Other codes that may appear with C0138

C0136 Sequential Code

C0136: Steering Column Position Sensor Circuit Malfunction

Medium
C0137 Sequential Code

C0137: Electronic Stability Control (ESC) Malfunction

Medium
C0139 Sequential Code

C0139: Wheel Speed Sensor Malfunction

Medium
C0140 Sequential Code

C0140: ABS 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