← View Generic B2147 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B2147: B2147: Power Window Relay Circuit Malfunction

on 2021 Honda PASSPORT

Fix Cost

$50 - $200

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 B2147 Mean on 2021 Honda PASSPORT?

The power window relay circuit has malfunctioned, preventing the windows from functioning properly. This code is often accompanied by a warning light on the dashboard.

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Symptoms

• Windows won't roll up or down
• or do so intermittently
• with no apparent cause.

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Common Causes

• Faulty power window relay
• wiring issues
• or a blown fuse.

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How to Fix B2147 on 2021 Honda PASSPORT

1. Check the fuse box for a blown fuse and replace it if necessary. 2. Inspect the wiring harness for damage or corrosion and repair or replace as needed. 3. Replace the power window relay if faulty.

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Parts for 2021 Honda PASSPORT

Power window relay Shop ↗ Wiring harness Shop ↗ Fuse Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with B2147

B2145 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