← View Generic B1149 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2014 Nissan SENTRA

B1149: B1149: Body Control Module (BCM) Malfunction - Lighting

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 B1149 Mean on 2014 Nissan SENTRA?

The Body Control Module (BCM) has detected a malfunction in the vehicle's lighting system, which may cause issues with the headlights, taillights, or other exterior lights.

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Symptoms

• Dim or inoperative headlights
• taillights
• or other exterior lights
• possible dashboard warning lights.

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Common Causes

• Faulty BCM
• wiring harness damage
• blown fuse
• or malfunctioning lighting module.

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How to Fix B1149 on 2014 Nissan SENTRA

Check the BCM for any faults or errors using a scan tool. Inspect the wiring harness for any signs of damage or wear. Replace the BCM if faulty or damaged. Check and replace any blown fuses.

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Need Maintenance Info for Your SENTRA?

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Parts for 2014 Nissan SENTRA

Body Control Module (BCM) 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 B1149

B1147 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