← View Generic B1490 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2014 Nissan SENTRA
B1490: B1490: Door Locks Malfunction
on 2014 Nissan SENTRA
Fix Cost
$100 - $300
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 B1490 Mean on 2014 Nissan SENTRA?
The B1490 code indicates a malfunction in the door lock system, which can cause issues with locking and unlocking the doors.
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Symptoms
- • Doors may not lock or unlock properly
- • or may do so intermittently
- • and may also trigger a warning light on the dashboard.
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Common Causes
- • Faulty door lock actuators
- • wiring issues
- • or a malfunctioning body control module.
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How to Fix B1490 on 2014 Nissan SENTRA
1. Check the door lock actuators for proper operation and replace if faulty. 2. Inspect and repair any damaged wiring. 3. Update the body control module's software if necessary.
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Need Maintenance Info for Your SENTRA?
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Related Diagnostic Codes
Other codes that may appear with B1490
B1488
Sequential Code
B1488: Airbag System Fault
High
B1489
Sequential Code
B1489: Climate Control Actuator Malfunction
Medium
B1491
Sequential Code
B1491: Power Window Circuit Malfunction
Medium
B1492
Sequential Code
B1492: Seat Position Sensor 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