← View Generic B1628 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B1628: B1628: Seat Switch Circuit Malfunction

on 2021 Honda PASSPORT

Fix Cost

$50 - $200

Parts & Labor

Difficulty

3/5

1-2 hours

DIY Possible?

✅ Yes

Save money

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 B1628 Mean on 2021 Honda PASSPORT?

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

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Symptoms

• Seat will not move
• or moves erratically
• or is stuck in a position

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Common Causes

• Faulty seat switch
• wiring issue
• or electrical component failure

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How to Fix B1628 on 2021 Honda PASSPORT

1. Disconnect the battery to reset the system. 2. Check and clean the seat switch and wiring. 3. Replace the faulty seat switch if necessary. 4. Check for any other electrical issues that may be causing the problem.

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Need Maintenance Info for Your PASSPORT?

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Parts for 2021 Honda PASSPORT

Seat switch Shop ↗ Wiring harness Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with B1628

B1626 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