← View Generic B1003 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B1003: B1003: 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 B1003 Mean on 2021 Honda PASSPORT?

The B1003 code indicates a problem with the power window circuit, which controls the movement of the windows. This can cause the windows to malfunction or not function at all.

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Symptoms

• Windows not moving
• stuck or jammed
• intermittent window operation
• unusual noises or vibrations

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Common Causes

• Faulty window regulator
• damaged or worn-out window motor
• faulty window switch
• wiring issues
• blown fuse

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How to Fix B1003 on 2021 Honda PASSPORT

Disconnect the battery to reset the system Check and replace the blown fuse Inspect and clean the window regulator and motor Replace the faulty window switch or motor Repair or replace wiring as needed

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Need Maintenance Info for Your PASSPORT?

Get oil capacity, filter specs, and torque settings for your specific 2021 Honda PASSPORT.

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Parts for 2021 Honda PASSPORT

window regulator Shop ↗ window motor Shop ↗ window switch Shop ↗ wiring harness Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with B1003

B1001 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