← View Generic B0782 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B0782: B0782: 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 B0782 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The immobilizer system has detected a malfunction, preventing the vehicle from starting or running. This code is usually related to issues with the key fob, ignition switch, or immobilizer module.
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Symptoms

  • • Car won't start
  • • engine won't crank
  • • or runs rough
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Common Causes

  • • Faulty key fob
  • • ignition switch
  • • immobilizer module
  • • or wiring harness
🛠️

How to Fix B0782 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check the key fob battery level and replace if necessary. 2. Inspect the ignition switch for signs of wear or damage. 3. Test the immobilizer module for proper function. 4. Check the wiring harness for any damage or corrosion.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

key fob battery Shop ↗ ignition switch Shop ↗ immobilizer module Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with B0782

B0780 Sequential Code

B0780: Seat Switch Malfunction

Medium
B0781 Sequential Code

B0781: Exterior Lighting Malfunction

Medium
B0783 Sequential Code

B0783: Audio System Malfunction

Medium
B0784 Sequential Code

B0784: 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