🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B1614: B1614: Body System Security 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 B1614 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The body control module (BCM) has detected a security-related issue, such as a faulty door ajar switch or a malfunctioning alarm system.
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Symptoms

  • Alarm system activation
  • door locks not functioning
  • or dashboard warning lights illuminated.
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Common Causes

  • Faulty door ajar switch
  • malfunctioning alarm system
  • or a problem with the BCM's security communication protocol.
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How to Fix B1614 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check the door ajar switches for proper operation and clean or replace them if necessary. 2. Inspect the alarm system wiring and connections for damage or corrosion. 3. Update the BCM's software if necessary. 4. Clear the code and test the system.

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Related Diagnostic Codes

Other codes that may appear with B1614

💡 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