← View Generic B1304 Guide Severity: High
🚗 Vehicle-Specific Guide

This guide is customized for your 2014 Nissan SENTRA

B1304: B1304: Airbag System Circuit Malfunction

on 2014 Nissan SENTRA

Fix Cost
$200 - $500
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
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 B1304 Mean on 2014 Nissan SENTRA?

The airbag system has detected a malfunction in the circuit, which may prevent the airbags from deploying properly in the event of a crash.
⚠️

Symptoms

  • • Airbag warning light on dashboard
  • • airbag system not functioning
  • • crash sensor not triggering
🔍

Common Causes

  • • Faulty crash sensor
  • • wiring issue
  • • airbag module malfunction
  • • faulty airbag sensor
🛠️

How to Fix B1304 on 2014 Nissan SENTRA

1. Check crash sensor for damage or corrosion, replace if necessary. 2. Inspect wiring for damage or corrosion, repair or replace if necessary. 3. Check airbag module for proper function, replace if necessary. 4. Check airbag sensor for proper function, replace if necessary.

🔧

Need Maintenance Info for Your SENTRA?

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Parts for 2014 Nissan SENTRA

Crash sensor Shop ↗ Wiring harness Shop ↗ Airbag module Shop ↗ Airbag sensor 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 B1304

B1302 Sequential Code

B1302: Body Control Module (BCM) Security System Malfunction

Medium
B1303 Sequential Code

B1303: Audio System Malfunction

Medium
B1305 Sequential Code

B1305: Climate Control Temperature Sensor Malfunction

Medium
B1306 Sequential Code

B1306: Door Locks Actuator Circuit Malfunction

Medium

💡 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