← View Generic B0171 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B0171: B0171: Power Window 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 B0171 Mean on 2021 Honda PASSPORT?

The Body Control Module (BCM) has detected a malfunction in the power window circuit, preventing one or more windows from operating properly.

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Symptoms

• Window(s) not moving
• intermittent window operation
• or unusual noises when trying to operate the window.

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Common Causes

• Faulty window regulator
• faulty window switch
• damaged or corroded wiring
• or a malfunctioning BCM.

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How to Fix B0171 on 2021 Honda PASSPORT

1. Disconnect the battery to reset the BCM. 2. Check and clean the window switch and wiring. 3. Inspect and replace the window regulator if damaged. 4. Test the window switch and replace if faulty. 5. Check the BCM for any errors or malfunctions.

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Need Maintenance Info for Your PASSPORT?

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Parts for 2021 Honda PASSPORT

Window regulator Shop ↗ Window switch Shop ↗ Wiring harness Shop ↗

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Related Diagnostic Codes

Other codes that may appear with B0171

B0169 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