← View Generic C2038 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

C2038: C2038: Brake System Pressure Sensor Circuit Malfunction

on 2021 Honda PASSPORT

Fix Cost
$100 - $500
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
Your Vehicle
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 C2038 Mean on 2021 Honda PASSPORT?

The brake system pressure sensor circuit has malfunctioned, causing the brake system to malfunction or not function properly.
⚠️

Symptoms

  • • Brake pedal feels spongy
  • • brake pedal goes to the floor
  • • brake warning light on dashboard
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Common Causes

  • • Faulty brake system pressure sensor
  • • faulty wiring harness
  • • faulty brake master cylinder
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How to Fix C2038 on 2021 Honda PASSPORT

1. Disconnect battery to reset system, 2. Check and clean brake system pressure sensor, 3. Replace faulty brake system pressure sensor, 4. Check and replace faulty wiring harness, 5. Check and replace faulty brake master cylinder

🔧

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Parts for 2021 Honda PASSPORT

Brake system pressure sensor Shop ↗ Wiring harness Shop ↗ Brake master cylinder Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with C2038

C2036 Sequential Code

C2036: Wheel Speed Sensor Malfunction

Medium
C2037 Sequential Code

C2037: ABS System Malfunction

Medium
C2039 Sequential Code

C2039: Suspension Damper or Shock Absorber Fault

Medium
C2040 Sequential Code

C2040: Electric Power Steering (EPS) 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