🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B0918: B0918: 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 B0918 Mean on 2021 Honda PASSPORT?

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

Symptoms

  • Vehicle will not start
  • immobilizer light on dashboard is illuminated
🔍

Common Causes

  • Faulty immobilizer module
  • damaged or worn-out key fob
  • wiring damage or corrosion
  • faulty battery or low battery voltage
🛠️

How to Fix B0918 on 2021 Honda PASSPORT

1. Check the immobilizer system wiring for damage or corrosion and repair as necessary. 2. Replace the key fob if damaged or worn out. 3. Check the immobilizer module for faults and replace if necessary. 4. Check the vehicle's battery voltage and charge or replace if necessary.

🔧

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

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2021 Honda PASSPORT

Shop Scanners ↗
🔗

Related Diagnostic Codes

Other codes that may appear with B0918

💡 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