← View Generic B0909 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2014 Nissan SENTRA

B0909: B0909: Body System Code - Lighting Malfunction

on 2014 Nissan SENTRA

Fix Cost

$100 - $500

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 B0909 Mean on 2014 Nissan SENTRA?

The B0909 code indicates a malfunction in the body control module's (BCM) lighting system. This can cause issues with the vehicle's exterior lights, such as the headlights, taillights, or turn signals.

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Symptoms

• Dim or inoperative exterior lights
• faulty turn signal indicators
• or a combination of both

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Common Causes

• Faulty BCM
• wiring issues
• blown fuses
• or a malfunctioning lighting module

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How to Fix B0909 on 2014 Nissan SENTRA

1. Check the BCM for any errors or faults. 2. Inspect the wiring and connectors for damage or corrosion. 3. Replace any blown fuses. 4. Test the lighting module for proper function. 5. Update the BCM software if necessary.

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Need Maintenance Info for Your SENTRA?

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Parts for 2014 Nissan SENTRA

Body Control Module (BCM) Shop ↗ Lighting Module Shop ↗ Wiring Harness Shop ↗

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2014 Nissan SENTRA

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Related Diagnostic Codes

Other codes that may appear with B0909

B0907 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