← View Generic B1571 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B1571: B1571: Power Window Regulator Malfunction

on 2021 Honda PASSPORT

Fix Cost

$150 - $300

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 B1571 Mean on 2021 Honda PASSPORT?

The power window regulator has failed, preventing the window from moving up or down properly.

⚠️

Symptoms

• Window stuck
• won't move
• or moves erratically
• may also trigger airbag warning light.

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Common Causes

• Faulty power window regulator
• damaged or worn-out window motor
• or wiring issues.

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How to Fix B1571 on 2021 Honda PASSPORT

1. Disconnect battery, then remove door panel to access regulator. 2. Remove regulator mounting screws and slide out regulator. 3. Inspect and replace regulator if damaged. 4. Reassemble in reverse order.

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Need Maintenance Info for Your PASSPORT?

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Parts for 2021 Honda PASSPORT

Power window regulator Shop ↗ Regulator mounting screws Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with B1571

B1569 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