← View Generic P2378 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

P2378: Advanced Powertrain Code P2378

on 2021 Honda PASSPORT

Fix Cost
$50 - $300
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
✅ Yes
Save money
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 P2378 Mean on 2021 Honda PASSPORT?

Diagnostic trouble code for advanced powertrain system.
⚠️

Symptoms

  • • Check engine light
  • • system malfunction
  • • performance issues.
🔍

Common Causes

  • • Component failure
  • • wiring issues
  • • sensor malfunction
  • • mechanical wear.
🛠️

How to Fix P2378 on 2021 Honda PASSPORT

Diagnose specific system, replace faulty components, repair wiring, update software.

🔧

Need Maintenance Info for Your PASSPORT?

Get oil capacity, filter specs, and torque settings for your specific 2021 Honda PASSPORT.

View 2021 Honda PASSPORT Specs

Parts for 2021 Honda PASSPORT

Various - depends on diagnosis Shop ↗

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OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with P2378

P2376 Sequential Code

Advanced Powertrain Code P2376

Medium
P2377 Sequential Code

Advanced Powertrain Code P2377

Medium
P2379 Sequential Code

Advanced Powertrain Code P2379

Medium
P2380 Sequential Code

Advanced Powertrain Code P2380

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