← View Generic B3771 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B3771: B3771: Power Window Regulator Malfunction

on 2021 Honda PASSPORT

Fix Cost

$200 - $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 B3771 Mean on 2021 Honda PASSPORT?

The power window regulator is malfunctioning, preventing the window from moving properly.

⚠️

Symptoms

• Window stuck
• won't move
• or moves erratically
• intermittent or constant

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Common Causes

• Faulty power window regulator
• faulty window motor
• wiring issue
• or faulty window switch

🛠️

How to Fix B3771 on 2021 Honda PASSPORT

1. Disconnect battery to reset system, 2. Check and clean window switch, 3. Check and repair wiring, 4. Replace faulty power window regulator or window motor, 5. Test and adjust window regulator

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Parts for 2021 Honda PASSPORT

Power window regulator Shop ↗ Window motor Shop ↗ Window switch Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with B3771

B3769 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