OBD-II diagnostic trouble code
P0410Safe to drive
Secondary Air Injection System Malfunction
The system that injects extra air into the exhaust to help catalyst warm-up isn't working correctly, which mainly affects cold-start emissions rather than drivability.
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Code names are compiled from open/standardized SAE and ISO references. Explanations, symptoms, causes and fixes are original. Covers generic (P0/C0/B0/U0) codes only — manufacturer-specific codes are planned for a future update.
Frequently asked questions
Can I drive with P0410?
In most cases, yes — P0410 is generally not an urgent safety issue and the car is usually safe to drive for a while. Still, get it checked soon, since the underlying cause can affect fuel economy or emissions the longer it's left.
How much does it cost to fix P0410?
The cost varies too much by cause and vehicle to give a single figure here — a diagnosis will narrow it down.
What causes P0410?
Reviewed by Artyom SemenovAutomotive Editor · Fact-checked by Yauheni Kapliarchuk, Editor-in-Chief