← View Generic B0190 Guide Severity: High
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B0190: B0190: Immobilizer System Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$100 - $500
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 B0190 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The immobilizer system has detected a malfunction, preventing the vehicle from starting. This code is typically set when the immobilizer system is not functioning correctly, preventing the vehicle from starting.
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Symptoms

  • • Vehicle will not start
  • • may display a 'security' or 'immobilizer' warning light on the dashboard
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Common Causes

  • • Faulty immobilizer key fob
  • • faulty immobilizer system module
  • • wiring issues
  • • or a problem with the vehicle's battery
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How to Fix B0190 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check the vehicle's battery voltage and charge it if necessary. 2. Check the immobilizer key fob's battery and replace it if necessary. 3. Check the immobilizer system module for any signs of damage or corrosion. 4. Check the wiring harness for any signs of damage or corrosion. 5. If none of the above steps resolve the issue, replace the immobilizer system module.

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Need Maintenance Info for Your SILVERADO 1500 PICKUP?

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

immobilizer key fob Shop ↗ immobilizer system module Shop ↗ wiring harness Shop ↗

Essential Tool

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OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with B0190

B0188 Sequential Code

B0188: Seat Switch Circuit Malfunction

Medium
B0189 Sequential Code

B0189: Front Turn Signal Lamp Malfunction

Medium
B0191 Sequential Code

B0191: Audio System Malfunction

Medium
B0192 Sequential Code

B0192: Airbag System Fault

High

💡 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