← View Generic B1038 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B1038: B1038: 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 B1038 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The immobilizer system has malfunctioned, preventing the vehicle from starting or running. This code is often triggered by a faulty immobilizer key fob, a damaged or worn-out key, or a problem with the immobilizer system's wiring or components.
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Symptoms

  • • Vehicle will not start
  • • or will not run
  • • despite having a valid key
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Common Causes

  • • Faulty immobilizer key fob
  • • damaged or worn-out key
  • • immobilizer system wiring or component failure
  • • or a problem with the vehicle's computer
🛠️

How to Fix B1038 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check the key fob's battery level and replace it if necessary. 2. Try replacing the key fob or key. 3. Check the immobilizer system's wiring and components for damage or corrosion. 4. Scan the vehicle's computer for any trouble codes and clear them. 5. If the issue persists, have the immobilizer system reprogrammed or replaced.

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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 ↗ key Shop ↗ immobilizer system wiring harness Shop ↗

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2020 Chevrolet SILVERADO 1500 PICKUP

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🔗

Related Diagnostic Codes

Other codes that may appear with B1038

B1036 Sequential Code

B1036: Seat Switch Circuit Malfunction

Medium
B1037 Sequential Code

B1037: Body System Code - Lighting Malfunction

Medium
B1039 Sequential Code

B1039: Audio System Malfunction

Medium
B1040 Sequential Code

B1040: 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