← View Generic B1981 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B1981: B1981: Turn Signal/Hazard Light Malfunction

on 2021 Honda PASSPORT

Fix Cost

$50 - $200

Parts & Labor

Difficulty

3/5

1-2 hours

DIY Possible?

✅ Yes

Save money

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 B1981 Mean on 2021 Honda PASSPORT?

The B1981 code indicates a problem with the turn signal or hazard light circuit, which can cause the lights to malfunction or not function at all.

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Symptoms

• Turn signals not working
• hazard lights not functioning
• or a combination of both

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Common Causes

• Faulty turn signal switch
• blown fuse
• short circuit
• or wiring issue

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How to Fix B1981 on 2021 Honda PASSPORT

1. Check the turn signal switch for any signs of wear or damage. Replace if necessary. 2. Check the fuses and replace any blown ones. 3. Inspect the wiring and connectors for any signs of damage or corrosion. Repair or replace as needed. 4. Test the turn signal and hazard lights to ensure they are functioning properly.

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Parts for 2021 Honda PASSPORT

Turn signal switch Shop ↗ Fuses Shop ↗ Wiring harness Shop ↗

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OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with B1981

B1979 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