← View Generic B0158 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B0158: B0158: Immobilizer System Malfunction

on 2021 Honda PASSPORT

Fix Cost

$50 - $200

Parts & Labor

Difficulty

3/5

1-2 hours

DIY Possible?

❌ No

Pro recommended

Your Vehicle

2021 Honda

PASSPORT

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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 B0158 Mean on 2021 Honda PASSPORT?

The immobilizer system has detected an error, preventing the vehicle from starting. This code indicates a problem with the immobilizer system's communication or authentication process.

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Symptoms

• Vehicle will not start
• may display a security warning message on the dashboard

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Common Causes

• Faulty immobilizer system module
• incorrect key or fob battery
• low battery voltage
• faulty wiring or connections

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How to Fix B0158 on 2021 Honda PASSPORT

1. Check and replace the key or fob battery if necessary. 2. Inspect and clean the immobilizer system module and wiring connections. 3. Replace the immobilizer system module if faulty. 4. Update the immobilizer system software if necessary.

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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 or fob Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with B0158

B0156 Sequential Code

💡 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