← View Generic C0603 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2014 Nissan SENTRA
C0603: C0603: Brake System Pressure Sensor Circuit 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 C0603 Mean on 2014 Nissan SENTRA?
The brake system pressure sensor circuit has malfunctioned, indicating a problem with the brake system's ability to maintain proper pressure.
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Symptoms
- • Spongy brake pedal
- • low brake fluid level
- • brake warning light on
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Common Causes
- • Faulty brake pressure sensor
- • clogged brake fluid lines
- • air in brake system
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How to Fix C0603 on 2014 Nissan SENTRA
1. Check brake fluid level and top off as needed. 2. Bleed brake system to remove air. 3. Replace faulty brake pressure sensor.
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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 C0603
C0601
Sequential Code
C0601: Wheel Speed Sensor Malfunction
Medium
C0602
Sequential Code
C0602: ABS System Malfunction
Medium
C0604
Sequential Code
C0604: Rear Suspension Strut or Shock Absorber Fault
Medium
C0605
Sequential Code
C0605: 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