← View Generic B0902 Guide Severity: High
🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B0902: B0902: Immobilizer System Malfunction

on 2021 Honda PASSPORT

Fix Cost
$200 - $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 B0902 Mean on 2021 Honda PASSPORT?

The immobilizer system has malfunctioned, preventing the vehicle from starting. This code is typically set when the immobilizer system detects a problem with the keyless entry system, ignition switch, or other related components.
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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
  • • keyless entry system
  • • ignition switch
  • • or related wiring issues
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How to Fix B0902 on 2021 Honda PASSPORT

1. Check the immobilizer system module for any error codes using a scan tool. 2. Check the keyless entry system for any issues or damage. 3. Check the ignition switch for any signs of wear or corrosion. 4. Check the wiring harness for any signs of damage or corrosion. 5. If none of the above steps resolve the issue, 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.

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Parts for 2021 Honda PASSPORT

immobilizer system module Shop ↗ keyless entry system module Shop ↗ ignition switch 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 B0902

B0900 Sequential Code

B0900: Seat Position Sensor Malfunction

Medium
B0901 Sequential Code

B0901: Body System Code - Lighting Malfunction

Medium
B0903 Sequential Code

B0903: Audio System Malfunction

Medium
B0904 Sequential Code

B0904: 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