← View Generic B0731 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B0731: B0731: Power Window Motor Control Circuit Malfunction

on 2021 Honda PASSPORT

Fix Cost
$100 - $300
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
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 B0731 Mean on 2021 Honda PASSPORT?

The power window motor control circuit has malfunctioned, preventing the window from operating properly. This code is typically set when the window motor is not receiving the correct voltage or when there is a short circuit in the circuit.
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Symptoms

  • • Window does not move
  • • window moves slowly
  • • window moves erratically
  • • window gets stuck
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Common Causes

  • • Faulty power window motor
  • • faulty window switch
  • • short circuit in the window circuit
  • • faulty wiring harness
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How to Fix B0731 on 2021 Honda PASSPORT

1. Disconnect the battery to reset the system. 2. Check the window switch for any signs of wear or damage. 3. Check the wiring harness for any signs of damage or corrosion. 4. Replace the power window motor if it is faulty. 5. Replace the window switch if it is faulty.

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Parts for 2021 Honda PASSPORT

Power window motor Shop ↗ Window switch Shop ↗ Wiring harness Shop ↗

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Related Diagnostic Codes

Other codes that may appear with B0731

B0729 Sequential Code

B0729: Climate Control Actuator Malfunction

Medium
B0730 Sequential Code

B0730: Door Locks Functionality Malfunction

Medium
B0732 Sequential Code

B0732: Seat Position Sensor Circuit Malfunction

Medium
B0733 Sequential Code

B0733: Body System Code - Malfunctioning Exterior Lighting

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