What does code P0410 mean on a Honda and is it safe to drive?
P0410: Secondary Air Injection System Malfunction. Here's what it means on your Honda, what usually causes it, what repairs typically cost, and how safe it is to keep driving.
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What this code means
The secondary air injection system, which pumps fresh air into the exhaust on cold starts, is not working correctly.
Common causes for your Honda
- Failed air pump
- Stuck or leaking one-way check valve
- Clogged or rusted air injection pipes
Symptoms
- Check Engine Light
- May fail emissions or show high cold-start emissions
Typical fixes
- Replace secondary air pump
- Replace check valve
- Clean or replace corroded piping
Repair cost range
For a Honda, repairs for P0410 often fall between $250 and $900, depending on the cause and whether you use OEM or aftermarket parts. Labor rates vary by location.
Known issues on Honda
Honda J35 V6 P0410 typically means a failed air injection pump or check valves. The pump can ingest water from the air inlet. Inspect the inlet filter and hose for cracks or blockages before condemning the pump itself.
Most commonly affected models
Accord V6 2003–2007Odyssey J35 2005–2010Pilot J35 2003–2008