← View Generic B0476 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B0476: B0476: Seat Switch 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
⚠️

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 B0476 Mean on 2021 Honda PASSPORT?

The seat switch circuit is malfunctioning, preventing the seat from functioning properly. This code is usually triggered when the seat switch circuit is open or shorted.
⚠️

Symptoms

  • • Seat won't move
  • • seat switch lights are not functioning
  • • seat may be stuck in a position
🔍

Common Causes

  • • Faulty seat switch
  • • wiring issue
  • • seat motor failure
  • • faulty seat control module
🛠️

How to Fix B0476 on 2021 Honda PASSPORT

1. Check the seat switch for any signs of damage or corrosion. Clean or replace the switch if necessary. 2. Inspect the wiring harness for any signs of damage or wear. Repair or replace the wiring if necessary. 3. Check the seat motor for any signs of failure. Replace the motor if necessary. 4. Check the seat control module for any signs of failure. Replace the module if necessary.

🔧

Need Maintenance Info for Your PASSPORT?

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

View 2021 Honda PASSPORT Specs

Parts for 2021 Honda PASSPORT

Seat switch Shop ↗ Wiring harness Shop ↗ Seat motor Shop ↗ Seat control module Shop ↗

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2021 Honda PASSPORT

Shop Scanners ↗
🔗

Related Diagnostic Codes

Other codes that may appear with B0476

B0474 Sequential Code

B0474: Door Locks Actuator Malfunction

Medium
B0475 Sequential Code

B0475: Power Window Motor Circuit Malfunction

Medium
B0477 Sequential Code

B0477: Exterior Lighting Malfunction

Medium
B0478 Sequential Code

B0478: Body System Security 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