← View Generic B0622 Guide Severity: High
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B0622: B0622: 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 B0622 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The immobilizer system has detected a malfunction, preventing the vehicle from starting or running. This code is often caused by a faulty immobilizer module, key fob, or battery.
⚠️

Symptoms

  • • Vehicle won't start
  • • engine won't crank
  • • or starts and stalls immediately
🔍

Common Causes

  • • Faulty immobilizer module
  • • key fob
  • • or battery
  • • incorrect key code
  • • or wiring issues
🛠️

How to Fix B0622 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. 4. Scan for any other codes that may be related to the issue.

🔧

Need Maintenance Info for Your SILVERADO 1500 PICKUP?

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

immobilizer module Shop ↗ key fob Shop ↗ battery 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 B0622

B0620 Sequential Code

B0620: Seat Position Sensor Circuit Malfunction

Medium
B0621 Sequential Code

B0621: Low Beam Headlight Out of Adjustment

Medium
B0623 Sequential Code

B0623: Audio System Malfunction

Medium
B0624 Sequential Code

B0624: Airbag System Fault

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