🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B1382: B1382: Body System Security Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$200 - $800
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 B1382 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The body control module (BCM) has detected a security malfunction, which may be caused by a faulty BCM, wiring issue, or a problem with the security system's sensors.
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Symptoms

  • Alarm system malfunction
  • doors or trunk won't unlock
  • or the vehicle won't start
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Common Causes

  • Faulty BCM
  • wiring issue
  • security system sensor malfunction
  • or a problem with the vehicle's key fob
🛠️

How to Fix B1382 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check the BCM for any fault codes and clear them. 2. Inspect the wiring harness for any damage or corrosion. 3. Test the security system's sensors. 4. Replace the BCM if faulty. 5. Update the vehicle's software if necessary.

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Related Diagnostic Codes

Other codes that may appear with B1382

💡 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