← View Generic B0384 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B0384: B0384: Airbag System Module Communication Error

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

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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 B0384 Mean on 2021 Honda PASSPORT?

The airbag system module is unable to communicate with other modules in the vehicle, indicating a fault in the communication network.

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Symptoms

• Airbag warning light on
• no airbag deployment
• error messages on the dashboard

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Common Causes

• Faulty airbag module
• wiring harness damage
• module software corruption
• incompatible software updates

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How to Fix B0384 on 2021 Honda PASSPORT

1. Check the wiring harness for damage and repair or replace as needed. 2. Update the airbag module software to the latest version. 3. Replace the airbag module if software update is not possible.

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Parts for 2021 Honda PASSPORT

Airbag module Shop ↗ Wiring harness Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with B0384

B0382 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