← View Generic B0801 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B0801: B0801: Climate Control System Malfunction

on 2021 Honda PASSPORT

Fix Cost

$100 - $500

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 B0801 Mean on 2021 Honda PASSPORT?

The B0801 code indicates a malfunction in the climate control system, which may cause issues with heating, cooling, or air circulation.

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Symptoms

• Inconsistent temperature
• poor air circulation
• or failure to turn on/off the climate control system.

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Common Causes

• Faulty temperature sensor
• clogged air ducts
• malfunctioning blower motor
• or a problem with the climate control module.

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How to Fix B0801 on 2021 Honda PASSPORT

1. Check and clean the air ducts; 2. Inspect and replace the temperature sensor if necessary; 3. Test the blower motor and replace if faulty; 4. Update or replace the climate control module if necessary.

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Need Maintenance Info for Your PASSPORT?

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

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Parts for 2021 Honda PASSPORT

Temperature sensor Shop ↗ Air duct cleaning kit Shop ↗ Blower motor Shop ↗ Climate control module Shop ↗

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OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with B0801

B0799 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