What does code P0410 mean?

Q: What does code P0410 mean?

Secondary Air Injection System Malfunction. P0410 means the powertrain control module (PCM) has detected a fault in the secondary air injection (SAI) system, which pumps fresh air into the exhaust to speed catalytic converter warm-up. The PCM monitors the system during cold starts and sets this code when the expected air flow or pressure change is not seen.

DTC codes / P04xx · Auxiliary emission controls / P0410

P0410Secondary Air Injection System Malfunction

P0410 means the powertrain control module (PCM) has detected a fault in the secondary air injection (SAI) system, which pumps fresh air into the exhaust to speed catalytic converter warm-up. The PCM monitors the system during cold starts and sets this code when the expected air flow or pressure change is not seen.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaAuxiliary emission controls

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.