← View Generic B1187 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B1187: B1187: Window Regulator Malfunction

on 2021 Honda PASSPORT

Fix Cost

$100 - $300

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 B1187 Mean on 2021 Honda PASSPORT?

The B1187 code indicates a problem with the window regulator, which controls the movement of the window up and down.

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Symptoms

• Window stuck or slow to move
• unusual noise when rolling up or down
• window may not roll up or down at all

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Common Causes

• Faulty window regulator motor
• worn or damaged regulator tracks
• faulty window switch

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How to Fix B1187 on 2021 Honda PASSPORT

1. Disconnect battery to prevent accidental window movement. 2. Remove door panel to access regulator. 3. Inspect regulator tracks for damage or wear. 4. Replace faulty regulator motor or tracks if necessary. 5. Reassemble door panel.

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Need Maintenance Info for Your PASSPORT?

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Parts for 2021 Honda PASSPORT

Window regulator motor Shop ↗ Regulator tracks Shop ↗ Window switch Shop ↗

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Related Diagnostic Codes

Other codes that may appear with B1187

B1185 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