What P0410 means
The secondary air pump system, which injects air into the exhaust at cold start, is not performing as expected.
Common causes
- Failed air pump
- Blocked air injection passages
- Failed check valve
- Relay or fuse failure
How it is usually fixed
- 1Verify the pump runs at cold start
- 2Check the relay and fuse
- 3Inspect passages for carbon blockage
Other common codes
- P0011 — Camshaft Position A – Timing Over-Advanced (Bank 1)
- P0030 — HO2S Heater Control Circuit (Bank 1, Sensor 1)
- P0101 — Mass Air Flow Circuit Range/Performance
- P0113 — Intake Air Temperature Sensor Circuit High
- P0118 — Engine Coolant Temperature Sensor Circuit High
- P0131 — O2 Sensor Circuit Low Voltage (Bank 1, Sensor 1)
Code information is general guidance, not a diagnosis for a specific vehicle. Confirm with live data and manufacturer test procedures before replacing parts.