← View Generic B2379 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B2379: B2379: Power Window Circuit Malfunction

on 2021 Honda PASSPORT

Fix Cost
$50 - $200
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
✅ Yes
Save money
Your Vehicle
2021 Honda
PASSPORT
⚠️

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 B2379 Mean on 2021 Honda PASSPORT?

The power window circuit has malfunctioned, preventing the windows from functioning properly. This code is usually triggered when there is an issue with the window switch, motor, or regulator.
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Symptoms

  • • Windows won't move
  • • or move intermittently
  • • when the switch is activated
  • • or the window is stuck in a partially open or closed position.
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Common Causes

  • • Faulty window switch
  • • damaged or worn-out window motor
  • • faulty window regulator
  • • wiring issues
  • • or a blown fuse.
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How to Fix B2379 on 2021 Honda PASSPORT

1. Check the fuse box for a blown fuse and replace it if necessary. 2. Inspect the window switch for damage or corrosion and clean or replace it if necessary. 3. Check the window motor for proper operation and replace it if necessary. 4. Inspect the window regulator for damage or wear and replace it if necessary. 5. Check the wiring harness for damage or corrosion and repair or replace it if necessary.

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Parts for 2021 Honda PASSPORT

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

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Related Diagnostic Codes

Other codes that may appear with B2379

B2377 Sequential Code

B2377: Climate Control Fan Motor Malfunction

Medium
B2378 Sequential Code

B2378: Door Locks Actuator Circuit Malfunction

Medium
B2380 Sequential Code

B2380: Seat Position Sensor Circuit Malfunction

Medium
B2381 Sequential Code

B2381: Body System Code - Exterior Lighting Malfunction

Medium

💡 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