What does code P0410 mean on a Scion and is it safe to drive?
P0410: Secondary Air Injection System Malfunction. Here's what it means on your Scion, 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 Scion
- 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 Scion, 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.