← View Generic B2139 Guide
Severity: Medium
🚗
Vehicle-Specific Guide
This guide is customized for your 2014 Nissan SENTRA
B2139: B2139: Power Window Relay Circuit Malfunction
on 2014 Nissan SENTRA
Fix Cost
$50 - $200
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 B2139 Mean on 2014 Nissan SENTRA?
The power window relay circuit has malfunctioned, preventing the windows from functioning properly.
⚠️
Symptoms
- • Windows do not move
- • or move intermittently
- • when switch is activated.
🔍
Common Causes
- • Faulty power window relay
- • wiring issues
- • or faulty window switch.
🛠️
How to Fix B2139 on 2014 Nissan SENTRA
1. Disconnect battery to reset system. 2. Check and repair or replace faulty wiring. 3. Test power window relay and replace if faulty. 4. Check and clean window switch contacts.
🔧
Need Maintenance Info for Your SENTRA?
Get oil capacity, filter specs, and torque settings for your specific 2014 Nissan SENTRA.
View 2014 Nissan SENTRA SpecsParts for 2014 Nissan SENTRA
Essential Tool
🔗
Related Diagnostic Codes
Other codes that may appear with B2139
B2137
Sequential Code
B2137: Climate Control Fan Motor Malfunction
Medium
B2138
Sequential Code
B2138: Door Locks Actuator Circuit Malfunction
Medium
B2140
Sequential Code
B2140: Seat Position Sensor Circuit Malfunction
Medium
B2141
Sequential Code
B2141: Turn Signal Lamp 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