← View Generic C0728 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
C0728: C0728: ABS System Malfunction
on 2021 Honda PASSPORT
Fix Cost
$200 - $800
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 C0728 Mean on 2021 Honda PASSPORT?
The ABS system has detected a malfunction, likely due to a faulty wheel speed sensor or a problem with the ABS module.
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Symptoms
- • ABS warning light on
- • vehicle may vibrate or pull to one side
- • reduced braking performance
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Common Causes
- • Faulty wheel speed sensor
- • ABS module failure
- • wiring issue
- • or faulty brake sensor
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How to Fix C0728 on 2021 Honda PASSPORT
1. Check and clean wheel speed sensors, 2. Replace faulty wheel speed sensor, 3. Update ABS module software, 4. Inspect and repair wiring, 5. Replace ABS module 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 C0728
C0726
Sequential Code
C0726: Traction Control System Malfunction
Medium
C0727
Sequential Code
C0727: Wheel Speed Sensor Malfunction
Medium
C0729
Sequential Code
C0729: Brake System Malfunction
Medium
C0730
Sequential Code
C0730: Suspension Damper or Shock Absorber Fault
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