← View Generic B0901 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B0901: B0901: Body System Code - Lighting Malfunction

on 2021 Honda PASSPORT

Fix Cost

$20 - $100

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 B0901 Mean on 2021 Honda PASSPORT?

This code indicates a malfunction in the vehicle's lighting system, such as a faulty headlight, taillight, or turn signal.

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Symptoms

• Dim or inoperative headlights
• taillights
• or turn signals
• or a combination of these symptoms.

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Common Causes

• Faulty headlight or taillight bulb
• wiring issue
• or a problem with the headlight or taillight switch.

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How to Fix B0901 on 2021 Honda PASSPORT

1. Check the bulb and replace it if necessary. 2. Inspect the wiring and connectors for damage or corrosion. 3. Test the headlight or taillight switch to ensure it's functioning properly. 4. If the issue persists, consult a professional mechanic.

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Need Maintenance Info for Your PASSPORT?

Get oil capacity, filter specs, and torque settings for your specific 2021 Honda PASSPORT.

View 2021 Honda PASSPORT Specs

Parts for 2021 Honda PASSPORT

headlight or taillight bulb Shop ↗ wiring harness Shop ↗ headlight or taillight switch 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 B0901

B0899 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