← View Generic C0988 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
C0988: C0988: 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 C0988 Mean on 2021 Honda PASSPORT?
The brake system pressure sensor circuit has malfunctioned, causing the brake system to malfunction.
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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 C0988 on 2021 Honda PASSPORT
1. Disconnect battery to reset system, 2. Check and clean sensor connector, 3. Replace faulty sensor, 4. Check and repair wiring as needed
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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 C0988
C0986
Sequential Code
C0986: Wheel Speed Sensor Malfunction
Medium
C0987
Sequential Code
C0987: ABS System Malfunction
High
C0989
Sequential Code
C0989: Rear Suspension Lower Control Arm Fracture
High
C0990
Sequential Code
C0990: 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