← View Generic B1680 Guide Severity: High

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B1680: B1680: Airbag System Circuit Malfunction

on 2021 Honda PASSPORT

Fix Cost

$200 - $800

Parts & Labor

Difficulty

4/5

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 B1680 Mean on 2021 Honda PASSPORT?

The airbag system circuit has malfunctioned, preventing the airbags from deploying properly in the event of a crash.

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Symptoms

• Airbag warning light on dashboard
• airbag system not functioning
• crash sensor not triggering

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Common Causes

• Faulty crash sensor
• wiring issue
• airbag module malfunction
• faulty airbag sensor

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How to Fix B1680 on 2021 Honda PASSPORT

1. Check crash sensor and wiring for damage or corrosion. 2. Replace crash sensor if damaged. 3. Check airbag module for malfunction. 4. Replace airbag module if necessary. 5. Check airbag sensor for malfunction. 6. Replace airbag sensor if necessary.

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Need Maintenance Info for Your PASSPORT?

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Parts for 2021 Honda PASSPORT

Crash sensor Shop ↗ Airbag module Shop ↗ Airbag sensor 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 B1680

B1678 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