← View Generic B0229 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B0229: B0229: Headlight High Beam Relay Circuit Malfunction

on 2021 Honda PASSPORT

Fix Cost

$50 - $150

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 B0229 Mean on 2021 Honda PASSPORT?

The B0229 code indicates a malfunction in the headlight high beam relay circuit, which controls the switching between low and high beam headlights.

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Symptoms

• Headlights not switching to high beam
• dim or no light
• or both low and high beams not working

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Common Causes

• Faulty headlight high beam relay
• wiring issues
• or a problem with the headlight switch

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How to Fix B0229 on 2021 Honda PASSPORT

1. Check the headlight high beam relay for any signs of physical damage or corrosion. Replace it if necessary. 2. Inspect the wiring harness for any signs of damage or wear. Repair or replace as needed. 3. Check the headlight switch for proper function and cleanliness. Clean or replace as needed.

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Parts for 2021 Honda PASSPORT

Headlight high beam relay Shop ↗ Wiring harness Shop ↗

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Related Diagnostic Codes

Other codes that may appear with B0229

B0227 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