This guide is customized for your 2021 Honda PASSPORT
C1772: C1772: Brake System Pressure Sensor Circuit Malfunction
on 2021 Honda PASSPORT
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 C1772 Mean on 2021 Honda PASSPORT?
Symptoms
- • Brake pedal feels spongy
- • brake pedal goes to the floor
- • brake warning light on dashboard
Common Causes
- • Faulty brake system pressure sensor
- • faulty wiring harness
- • faulty brake master cylinder
- • air in brake system
How to Fix C1772 on 2021 Honda PASSPORT
1. Check brake system pressure sensor for proper operation and clean or replace if necessary. 2. Check wiring harness for damage or corrosion and repair if necessary. 3. Bleed brake system to remove air. 4. Replace brake master cylinder if necessary.
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Related Diagnostic Codes
Other codes that may appear with C1772
C1770: Wheel Speed Sensor Malfunction
C1771: ABS System Malfunction
C1773: Rear Suspension Strut or Shock Absorber Fault
C1774: Steering Column Position Sensor Circuit Malfunction
💡 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