← View Generic P0414 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

P0414: Secondary Air Injection System Switching Valve A Circuit Shorted

on 2021 Honda PASSPORT

Fix Cost
$50 - $350
Parts & Labor
Difficulty
3/5
1-3 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 P0414 Mean on 2021 Honda PASSPORT?

The switching valve circuit for secondary air injection has a short circuit.
⚠️

Symptoms

  • • Failed emissions test
  • • check engine light
  • • possible damage to air injection system components.
🔍

Common Causes

  • • Short circuit in wiring to switching valve
  • • faulty switching valve
  • • damaged wiring harness.
🛠️

How to Fix P0414 on 2021 Honda PASSPORT

Repair short circuit in wiring, replace switching valve if damaged, replace damaged wiring harness.

🔧

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

EGR Valve Shop ↗ EVAP Canister Shop ↗ Purge Valve Shop ↗ Vacuum Lines Shop ↗

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Related Diagnostic Codes

Other codes that may appear with P0414

P0412 Sequential Code

Secondary Air Injection System Switching Valve A Circuit Malfunction

Medium
P0413 Sequential Code

Secondary Air Injection System Switching Valve A Circuit Open

Medium
P0415 Sequential Code

P0415: Emissions Control System Not Operating Within Normal Parameters

Medium
P0416 Sequential Code

P0416: Emissions Control System Not Operating Within Normal Parameters

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