← View Generic B1580 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B1580: B1580: 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 B1580 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 won't move
• seat switch lights on dashboard won't turn off
• seat may be 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 B1580 on 2021 Honda PASSPORT

1. Disconnect battery to reset code. 2. Check seat switch circuit for shorts or opens. 3. Replace faulty seat switch. 4. Check wiring for damage or corrosion. 5. Replace seat motor if faulty. 6. Update seat control module software if necessary.

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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 ↗ 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 B1580

B1578 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