← View Generic B0414 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B0414: B0414: 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 B0414 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

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

Symptoms

  • • Vehicle won't start
  • • immobilizer light on dashboard
  • • key fob not recognized
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Common Causes

  • • Faulty immobilizer module
  • • key fob
  • • wiring issues
  • • battery drain
  • • or software glitches
🛠️

How to Fix B0414 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check the key fob battery and replace if necessary. 2. Inspect the wiring harness for damage or corrosion. 3. Update the immobilizer module software. 4. Replace the immobilizer module if faulty.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

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

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with B0414

B0412 Sequential Code

B0412: Seat Position Sensor Circuit Malfunction

Medium
B0413 Sequential Code

B0413: Turn Signal Lamp Malfunction

Medium
B0415 Sequential Code

B0415: Audio System Fault

Medium
B0416 Sequential Code

B0416: Airbag System Fault

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