← View Generic B2140 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B2140: B2140: Seat Position Sensor Circuit Malfunction

on 2021 Honda PASSPORT

Fix Cost

$100 - $300

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 B2140 Mean on 2021 Honda PASSPORT?

The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position.

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Symptoms

• Seat position sensor error message on the dashboard
• seat not moving properly
• or seat not adjusting correctly.

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Common Causes

• Faulty seat position sensor
• wiring issue
• or electrical connector problem.

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How to Fix B2140 on 2021 Honda PASSPORT

1. Disconnect the battery to reset the system. 2. Check and clean the seat position sensor and electrical connector. 3. Replace the seat position sensor if damaged or faulty. 4. Check and repair any wiring issues.

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Parts for 2021 Honda PASSPORT

Seat position sensor Shop ↗ Electrical connector Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with B2140

B2138 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