← View Generic B2774 Guide Severity: High
🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B2774: B2774: Immobilizer System Malfunction

on 2021 Honda PASSPORT

Fix Cost
$100 - $500
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
Your Vehicle
2021 Honda
PASSPORT
⚠️

Important for 2021 Honda PASSPORT Owners

Before starting repairs, verify which engine your 2021 Honda PASSPORT has. Check your VIN or engine code to ensure you order the correct parts.

📖 What Does B2774 Mean on 2021 Honda PASSPORT?

The immobilizer system has detected a malfunction, preventing the vehicle from starting. This code is typically set when the immobilizer system is not functioning correctly, preventing the vehicle from starting.
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Symptoms

  • • Vehicle will not start
  • • may display a 'security system malfunction' message on the dashboard
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Common Causes

  • • Faulty immobilizer system module
  • • faulty key fob
  • • low battery in key fob
  • • incorrect key fob programming
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How to Fix B2774 on 2021 Honda PASSPORT

1. Check the key fob battery level and replace if necessary. 2. Try to start the vehicle with the spare key fob if available. 3. If the issue persists, reprogram the key fob using a scan tool. 4. If the issue still persists, replace the immobilizer system module.

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Need Maintenance Info for Your PASSPORT?

Get oil capacity, filter specs, and torque settings for your specific 2021 Honda PASSPORT.

View 2021 Honda PASSPORT Specs

Parts for 2021 Honda PASSPORT

immobilizer system module Shop ↗ key fob Shop ↗

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2021 Honda PASSPORT

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🔗

Related Diagnostic Codes

Other codes that may appear with B2774

B2772 Sequential Code

B2772: Seat Position Sensor Circuit Malfunction

Medium
B2773 Sequential Code

B2773: Exterior Lighting Malfunction

Medium
B2775 Sequential Code

B2775: Audio System Malfunction

Medium
B2776 Sequential Code

B2776: 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