← View Generic B0382 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B0382: B0382: 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 B0382 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The immobilizer system has detected an issue with the vehicle's security functionality, preventing the engine from starting or running.
⚠️

Symptoms

  • • Engine won't start
  • • security light on the dashboard
  • • alarm system malfunction
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Common Causes

  • • Faulty immobilizer module
  • • damaged or loose wiring
  • • incorrect key or fob battery
🛠️

How to Fix B0382 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check the immobilizer module for any signs of physical damage or corrosion. Clean or replace as necessary. 2. Inspect and repair any damaged or loose wiring. 3. Check the key or fob battery and replace if necessary. 4. Update the immobilizer module's firmware if necessary.

🔧

Need Maintenance Info for Your SILVERADO 1500 PICKUP?

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

immobilizer module Shop ↗ 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 B0382

B0380 Sequential Code

B0380: Seat Switch Circuit Malfunction

Medium
B0381 Sequential Code

B0381: Turn Signal Lamp Malfunction

Medium
B0383 Sequential Code

B0383: Audio System Malfunction

Medium
B0384 Sequential Code

B0384: Airbag System Module Communication Error

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