← View Generic C1807 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

C1807: C1807: Brake System Pressure Sensor Circuit Malfunction

on 2021 Honda PASSPORT

Fix Cost

$100 - $500

Parts & Labor

Difficulty

3/5

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 C1807 Mean on 2021 Honda PASSPORT?

The brake system pressure sensor circuit has malfunctioned, indicating a problem with the brake system's hydraulic pressure.

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Symptoms

• Brake pedal feels spongy
• brake light on dashboard
• reduced braking performance

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Common Causes

• Faulty brake system pressure sensor
• clogged brake lines
• air in brake system
• faulty ABS module

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How to Fix C1807 on 2021 Honda PASSPORT

1. Check brake fluid level and top off if necessary. 2. Bleed brake system to remove air. 3. Replace faulty brake system pressure sensor. 4. Check and replace clogged brake lines. 5. Update ABS module software if necessary.

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Need Maintenance Info for Your PASSPORT?

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Parts for 2021 Honda PASSPORT

Brake system pressure sensor Shop ↗ Brake fluid Shop ↗ Brake line kit Shop ↗

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Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with C1807

C1805 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