← View Generic C0204 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
C0204: C0204: Brake System Malfunction
on 2021 Honda PASSPORT
Fix Cost
$100 - $500
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 C0204 Mean on 2021 Honda PASSPORT?
This code indicates a malfunction in the brake system, such as a faulty brake sensor or a problem with the brake fluid level.
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Symptoms
- • Spongy brake pedal
- • low brake fluid level
- • brake light on dashboard
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Common Causes
- • Faulty brake sensor
- • low brake fluid level
- • clogged brake lines
- • worn brake pads
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How to Fix C0204 on 2021 Honda PASSPORT
1. Check brake fluid level and top off if necessary. 2. Inspect brake lines for blockages. 3. Replace faulty brake sensor. 4. Replace worn brake pads.
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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 C0204
C0202
Sequential Code
C0202: Wheel Speed Sensor Malfunction
Medium
C0203
Sequential Code
C0203: ABS System Malfunction
Medium
C0205
Sequential Code
C0205: Rear Suspension Strut or Shock Absorber Fault
Medium
C0206
Sequential Code
C0206: 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