← View Generic B0940 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2014 Nissan SENTRA

B0940: B0940: Seat Position Sensor Malfunction

on 2014 Nissan SENTRA

Fix Cost

$150 - $300

Parts & Labor

Difficulty

3/5

1-2 hours

DIY Possible?

❌ No

Pro recommended

Your Vehicle

2014 Nissan

SENTRA

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Important for 2014 Nissan SENTRA Owners

Before starting repairs, verify which engine your 2014 Nissan SENTRA has. Check your VIN or engine code to ensure you order the correct parts.

📖 What Does B0940 Mean on 2014 Nissan SENTRA?

The seat position sensor has malfunctioned, preventing the vehicle's computer from accurately detecting the seat's position, which can cause issues with seat adjustments and potentially affect airbag deployment.

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Symptoms

• Seat adjustment issues
• seat not moving properly
• airbag warning light illuminated

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Common Causes

• Faulty seat position sensor
• wiring issue
• or seat motor malfunction

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How to Fix B0940 on 2014 Nissan SENTRA

Disconnect the battery to reset the system Check and clean the seat position sensor Replace the seat position sensor if faulty Check and repair any wiring issues Replace the seat motor if necessary

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Need Maintenance Info for Your SENTRA?

Get oil capacity, filter specs, and torque settings for your specific 2014 Nissan SENTRA.

View 2014 Nissan SENTRA Specs

Parts for 2014 Nissan SENTRA

Seat position sensor Shop ↗ Wiring harness Shop ↗ Seat motor Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with B0940

B0938 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