← View Generic B1793 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2014 Nissan SENTRA

B1793: B1793: Climate Control Fan Motor Malfunction

on 2014 Nissan SENTRA

Fix Cost
$50 - $200
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 B1793 Mean on 2014 Nissan SENTRA?

The B1793 code indicates a malfunction in the climate control fan motor, which may cause the fan to malfunction or not function at all.
⚠️

Symptoms

  • • Inadequate air flow
  • • uneven air distribution
  • • or no air flow from the vents
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Common Causes

  • • Faulty climate control fan motor
  • • faulty fan motor resistor
  • • or wiring issues
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How to Fix B1793 on 2014 Nissan SENTRA

1. Disconnect the battery to prevent any accidental starts. 2. Locate the climate control fan motor and fan motor resistor. 3. Check the wiring and connectors for any signs of damage or corrosion. 4. Test the fan motor and fan motor resistor for proper function. 5. Replace the faulty fan motor or fan motor resistor if necessary. 6. Reconnect the battery and test the climate control system.

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Parts for 2014 Nissan SENTRA

climate control fan motor Shop ↗ fan motor resistor Shop ↗

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Related Diagnostic Codes

Other codes that may appear with B1793

B1791 Sequential Code

B1791: Audio System Fault

Medium
B1792 Sequential Code

B1792: Airbag System Fault

High
B1794 Sequential Code

B1794: Door Locks Actuator Circuit Malfunction

Medium
B1795 Sequential Code

B1795: Power Window Relay 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