← View Generic B0348 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B0348: B0348: 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

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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 B0348 Mean on 2021 Honda PASSPORT?

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

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Symptoms

• Seat won't move
• seat switch lights on dashboard
• seat stuck in position

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Common Causes

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

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How to Fix B0348 on 2021 Honda PASSPORT

1. Disconnect the battery to reset the system. 2. Check and clean the seat switch and wiring connections. 3. Replace the faulty seat switch or wiring harness if damaged. 4. Check the seat motor and replace if faulty. 5. Update the seat control module's software if necessary.

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Need Maintenance Info for Your PASSPORT?

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

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Parts for 2021 Honda PASSPORT

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

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with B0348

B0346 Sequential Code

💡 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