← View Generic B1226 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2014 Nissan SENTRA

B1226: B1226: Door Locks Malfunction

on 2014 Nissan SENTRA

Fix Cost

$100 - $300

Parts & Labor

Difficulty

3/5

1-2 hours

DIY Possible?

✅ Yes

Save money

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 B1226 Mean on 2014 Nissan SENTRA?

The B1226 code indicates a malfunction in the door lock system, which may cause the doors to lock or unlock unexpectedly, or fail to lock or unlock at all.

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Symptoms

• Doors lock or unlock unexpectedly
• failure to lock or unlock
• unusual noises from the door locks

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Common Causes

• Faulty door lock actuator
• wiring issue
• faulty door lock module
• faulty door lock switch

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How to Fix B1226 on 2014 Nissan SENTRA

1. Disconnect the battery to reset the system. 2. Check and clean the door lock actuator and wiring. 3. Replace the faulty door lock actuator or module. 4. Check and replace the door lock switch if necessary.

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Need Maintenance Info for Your SENTRA?

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Parts for 2014 Nissan SENTRA

Door lock actuator Shop ↗ Door lock module Shop ↗ Door lock switch Shop ↗

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Related Diagnostic Codes

Other codes that may appear with B1226

B1224 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