← View Generic P0413 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
P0413: Secondary Air Injection System Switching Valve A Circuit Open
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
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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 P0413 Mean on 2021 Honda PASSPORT?
The switching valve circuit for secondary air injection has an open circuit preventing operation.
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Symptoms
- • Failed emissions test
- • check engine light
- • no secondary air injection during cold start.
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Common Causes
- • Open circuit in wiring to switching valve
- • faulty switching valve
- • blown fuse
- • poor connections.
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How to Fix P0413 on 2021 Honda PASSPORT
Repair open circuit in wiring, replace switching valve, check and replace fuses, clean connections.
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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 P0413
P0411
Sequential Code
Secondary Air Injection System Incorrect Flow Detected
Medium
P0412
Sequential Code
Secondary Air Injection System Switching Valve A Circuit Malfunction
Medium
P0414
Sequential Code
Secondary Air Injection System Switching Valve A Circuit Shorted
Medium
P0415
Sequential Code
P0415: 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