← View Generic B3614 Guide Severity: High
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B3614: B3614: 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 B3614 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.
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Symptoms

  • • Vehicle will not start
  • • may display a 'security system malfunction' message on the dashboard
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Common Causes

  • • Faulty immobilizer module
  • • faulty key fob
  • • low battery in key fob
  • • incorrect key fob programming
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How to Fix B3614 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check the key fob battery level and replace if necessary. 2. Try reprogramming the key fob. 3. Check the immobilizer module for any signs of physical damage or corrosion. 4. If none of the above steps resolve the issue, replace the immobilizer module.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

immobilizer module Shop ↗ key fob Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with B3614

B3612 Sequential Code

B3612: Seat Position Sensor Circuit Malfunction

Medium
B3613 Sequential Code

B3613: Exterior Lighting Malfunction

Medium
B3615 Sequential Code

B3615: Audio System Fault

Medium
B3616 Sequential Code

B3616: 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