← View Generic B1054 Guide Severity: High
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B1054: B1054: Immobilizer System Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$50 - $200
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 B1054 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The immobilizer system has malfunctioned, preventing the vehicle from starting or running. This code indicates a problem with the immobilizer system's communication with the engine control module.
⚠️

Symptoms

  • • Vehicle will not start
  • • may have a flashing security light on the dashboard
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Common Causes

  • • Faulty immobilizer key fob
  • • damaged or corroded wiring
  • • faulty immobilizer module
  • • incorrect key fob battery
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How to Fix B1054 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check the key fob battery and replace it if necessary. 2. Inspect the wiring for damage or corrosion and repair or replace as needed. 3. Test the immobilizer module and replace it if faulty. 4. Check the key fob for any damage or wear and replace it if necessary.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

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

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Related Diagnostic Codes

Other codes that may appear with B1054

B1052 Sequential Code

B1052: Seat Switch Circuit Malfunction

Medium
B1053 Sequential Code

B1053: Body System Code - Malfunctioning Headlight or Taillight

Medium
B1055 Sequential Code

B1055: Audio System Fault

Medium
B1056 Sequential Code

B1056: Airbag System Malfunction

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