← View Generic C1401 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
C1401: C1401: Brake System Pressure Sensor Circuit Malfunction
on 2021 Honda PASSPORT
Fix Cost
$50 - $200
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
✅ Yes
Save money
Your Vehicle
2021 Honda
PASSPORT
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Important for 2021 Honda PASSPORT Owners
Before starting repairs, verify which engine your 2021 Honda PASSPORT has. Check your VIN or engine code to ensure you order the correct parts.
📖 What Does C1401 Mean on 2021 Honda PASSPORT?
The brake system pressure sensor circuit has malfunctioned, preventing the brake system from functioning properly.
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Symptoms
- • Brake pedal feels spongy
- • brake light on dashboard
- • reduced braking performance
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Common Causes
- • Faulty brake system pressure sensor
- • wiring issue
- • sensor connector corrosion
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How to Fix C1401 on 2021 Honda PASSPORT
1. Disconnect battery, clear code. 2. Inspect and clean sensor connector. 3. Replace faulty sensor if necessary.
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Need Maintenance Info for Your PASSPORT?
Get oil capacity, filter specs, and torque settings for your specific 2021 Honda PASSPORT.
View 2021 Honda PASSPORT SpecsParts for 2021 Honda PASSPORT
Essential Tool
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Related Diagnostic Codes
Other codes that may appear with C1401
C1399
Sequential Code
C1399: Wheel Speed Sensor Malfunction
Medium
C1400
Sequential Code
C1400: Anti-lock Brake System (ABS) Fault
Medium
C1402
Sequential Code
C1402: Rear Suspension Control Module (RSCM) Fault
Medium
C1403
Sequential Code
C1403: 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