← View Generic B0445 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B0445: B0445: Body Control Module (BCM) Malfunction - Lighting

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 B0445 Mean on 2021 Honda PASSPORT?

The Body Control Module (BCM) has detected a malfunction in the lighting system, which may cause issues with the vehicle's exterior lights, such as brake lights, turn signals, or hazard lights.

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Symptoms

• Inoperative or flickering exterior lights
• warning lights on the dashboard
• or a check engine light.

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Common Causes

• Faulty BCM
• wiring issues
• blown fuses
• or a malfunctioning lighting module.

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How to Fix B0445 on 2021 Honda PASSPORT

1. Check the BCM fuse and replace it if blown. 2. Inspect and repair any damaged wiring. 3. Test the lighting module and replace it if faulty. 4. Update the BCM software if necessary.

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Need Maintenance Info for Your PASSPORT?

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Parts for 2021 Honda PASSPORT

BCM fuse Shop ↗ wiring harness Shop ↗ lighting module Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with B0445

B0443 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