← View Generic B3497 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B3497: B3497: Climate Control System 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
⚠️

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 B3497 Mean on 2021 Honda PASSPORT?

This code indicates a malfunction in the climate control system, possibly due to a faulty temperature sensor, clogged air ducts, or a malfunctioning blower motor.
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Symptoms

  • • Inconsistent air flow
  • • uneven heating or cooling
  • • unusual noises from the vents
  • • or a complete loss of climate control function.
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Common Causes

  • • Faulty temperature sensor
  • • clogged air ducts
  • • malfunctioning blower motor
  • • faulty climate control module
  • • or a wiring issue.
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How to Fix B3497 on 2021 Honda PASSPORT

1. Check and clean the air ducts. 2. Replace the temperature sensor if faulty. 3. Inspect and replace the blower motor if necessary. 4. Check and repair any wiring issues. 5. Update the climate control module if necessary.

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Parts for 2021 Honda PASSPORT

Temperature sensor Shop ↗ Blower motor Shop ↗ Climate control module Shop ↗

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Related Diagnostic Codes

Other codes that may appear with B3497

B3495 Sequential Code

B3495: Audio System Fault

Medium
B3496 Sequential Code

B3496: Airbag System Fault

High
B3498 Sequential Code

B3498: Door Locks Actuator Malfunction

Medium
B3499 Sequential Code

B3499: Power Window Regulator 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