← View Generic C1408 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
C1408: C1408: Brake System Pressure Sensor Circuit Malfunction
on 2021 Honda PASSPORT
Fix Cost
$100 - $300
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
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 C1408 Mean on 2021 Honda PASSPORT?
The brake system pressure sensor circuit has malfunctioned, indicating a problem with the brake system's ability to regulate 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 C1408 on 2021 Honda PASSPORT
1. Check brake fluid level and top off if necessary. 2. Bleed brake system to remove air. 3. Replace faulty brake pressure sensor.
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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 C1408
C1406
Sequential Code
C1406: Wheel Speed Sensor Malfunction
Medium
C1407
Sequential Code
C1407: ABS System Malfunction
Medium
C1409
Sequential Code
C1409: Rear Suspension Height Sensor Circuit Malfunction
Medium
C1410
Sequential Code
C1410: 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