← View Generic B0918 Guide Severity: High
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B0918: B0918: Immobilizer System Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$200 - $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 B0918 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The immobilizer system has detected a malfunction, preventing the vehicle from starting. This code is typically caused by a faulty immobilizer module, key fob, or wiring issue.
⚠️

Symptoms

  • • Vehicle will not start
  • • immobilizer light on dashboard is illuminated
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Common Causes

  • • Faulty immobilizer module
  • • damaged or worn-out key fob
  • • wiring damage or corrosion
  • • faulty battery or low battery voltage
🛠️

How to Fix B0918 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check the immobilizer system wiring for damage or corrosion and repair as necessary. 2. Replace the key fob if damaged or worn out. 3. Check the immobilizer module for faults and replace if necessary. 4. Check the vehicle's battery voltage and charge or replace if necessary.

🔧

Need Maintenance Info for Your SILVERADO 1500 PICKUP?

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Immobilizer module Shop ↗ Key fob Shop ↗ Wiring harness Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with B0918

B0916 Sequential Code

B0916: Seat Position Sensor Circuit Malfunction

Medium
B0917 Sequential Code

B0917: Turn Signal Lamp Malfunction

Medium
B0919 Sequential Code

B0919: Audio System Malfunction

Medium
B0920 Sequential Code

B0920: 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