← View Generic B3987 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2014 Nissan SENTRA

B3987: B3987: Power Window Regulator Malfunction

on 2014 Nissan SENTRA

Fix Cost

$150 - $300

Parts & Labor

Difficulty

3/5

1-2 hours

DIY Possible?

✅ Yes

Save money

Your Vehicle

2014 Nissan

SENTRA

⚠️

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 B3987 Mean on 2014 Nissan SENTRA?

The power window regulator is malfunctioning, preventing the window from moving properly.

⚠️

Symptoms

• Window stuck
• won't move
• or moves erratically
• may have a grinding or screeching noise.

🔍

Common Causes

• Faulty power window regulator
• worn or damaged window tracks
• faulty window switch.

🛠️

How to Fix B3987 on 2014 Nissan SENTRA

1. Disconnect battery to prevent electrical shock. 2. Remove door panel and trim to access window regulator. 3. Disconnect regulator electrical connector. 4. Remove regulator mounting screws. 5. Remove regulator and inspect for damage. 6. Replace regulator if damaged. 7. Reassemble in reverse order.

🔧

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

Power window regulator Shop ↗ Window regulator mounting screws Shop ↗

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2014 Nissan SENTRA

Shop Scanners ↗

🔗

Related Diagnostic Codes

Other codes that may appear with B3987

B3985 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