← View Generic C1793 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2014 Nissan SENTRA
C1793: C1793: Brake Pressure Modulator Valve Fault
on 2014 Nissan SENTRA
Fix Cost
$150 - $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 C1793 Mean on 2014 Nissan SENTRA?
The brake pressure modulator valve has failed or is malfunctioning, causing uneven brake pressure distribution between the front and rear brakes.
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Symptoms
- • Spongy brake pedal
- • uneven brake wear
- • brake fluid leakage
- • unusual brake noise
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Common Causes
- • Faulty brake pressure modulator valve
- • clogged brake fluid lines
- • worn-out brake pads or rotors
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How to Fix C1793 on 2014 Nissan SENTRA
Replace the brake pressure modulator valve, inspect and clean brake fluid lines, replace worn-out brake pads or rotors
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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
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Related Diagnostic Codes
Other codes that may appear with C1793
C1791
Sequential Code
C1791: Wheel Speed Sensor Malfunction
Medium
C1792
Sequential Code
C1792: ABS System Malfunction
Medium
C1794
Sequential Code
C1794: Left Front Suspension Strut Friction Bushing Fault
Medium
C1795
Sequential Code
C1795: Steering Column 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