← View Generic B0943 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B0943: B0943: Audio 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 B0943 Mean on 2021 Honda PASSPORT?

This code indicates a malfunction in the audio system, possibly due to a faulty amplifier, speaker, or wiring issue.
⚠️

Symptoms

  • • No sound or distorted sound from the speakers
  • • inability to adjust volume or settings
  • • or an error message on the infotainment screen.
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Common Causes

  • • Faulty amplifier
  • • blown speaker
  • • wiring damage
  • • or a software issue with the infotainment system.
🛠️

How to Fix B0943 on 2021 Honda PASSPORT

Check the wiring and connections for damage or corrosion and repair or replace as needed. Test the amplifier and speakers for proper function and replace if faulty. Update the infotainment system software if necessary.

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Need Maintenance Info for Your PASSPORT?

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Parts for 2021 Honda PASSPORT

amplifier Shop ↗ speaker Shop ↗ wiring harness Shop ↗

Essential Tool

Must Have

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Related Diagnostic Codes

Other codes that may appear with B0943

B0941 Sequential Code

B0941: Body System Malfunction - Lighting

Medium
B0942 Sequential Code

B0942: Immobilizer System Malfunction

High
B0944 Sequential Code

B0944: Airbag System Malfunction

Medium
B0945 Sequential Code

B0945: Climate Control Temperature Sensor 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