2009 Lexus P0410: What It Means & Is It Safe to Drive?

P0410 on the 2009 Lexus: Secondary Air Injection System Malfunction. Here's what it means, what usually causes it, what repairs typically cost, and whether it's safe 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 on the 2009 Lexus

  • 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 2009 Lexus, repairs for P0410 typically fall between $250 and $900, depending on the root cause and labor rates in your area.

Known issues on Lexus

Lexus GX470 and LX470 P0410 secondary air injection pump failure mirrors the Toyota Land Cruiser/Tundra diagnosis. The 4.7L 2UZ-FE air pump inlet hose cracks and allows moisture into the pump. Replace the hose and pump together.

Most commonly affected models

GX470 4.7L 2003–2009LX470 4.7L 2003–2007

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