← View Generic B0804 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2014 Nissan SENTRA

B0804: B0804: Seat Switch Circuit Malfunction

on 2014 Nissan SENTRA

Fix Cost

$100 - $500

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 B0804 Mean on 2014 Nissan SENTRA?

The B0804 code indicates a malfunction in the seat switch circuit, which controls the seat's position, lumbar support, or recline function.

⚠️

Symptoms

• Seat position or function not working correctly
• lumbar support or recline not adjusting
• or seat warning light illuminated.

🔍

Common Causes

• Faulty seat switch
• wiring issue
• or seat control module failure.

🛠️

How to Fix B0804 on 2014 Nissan SENTRA

1. Disconnect the battery to reset the system. 2. Check and clean the seat switch contacts. 3. Replace the seat switch if faulty. 4. Inspect and repair any damaged wiring. 5. Replace the seat control module if faulty.

🔧

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 switch Shop ↗ Wiring harness Shop ↗ Seat control module 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 B0804

B0802 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