P0411
Secondary Air Injection System Incorrect Flow
System: Emissions
Severity: medium
What does P0411 mean?
The DTC P0411 (Secondary Air Injection System Incorrect Flow) is a fault code stored by the ECU when it detects a SAI flow condition in the emissions subsystem. It is commonly seen on European and Asian vehicles using Bosch, Continental, Siemens or Denso ECUs.
Common causes of P0411
- Stuck SAI valve
- Failed SAI pump
- Carbon-clogged passages
How to fix P0411
Mechanical clean or replace.
Tuning approach with DaVinci Deluxe Cloud Edition
For P0411, DaVinci Deluxe Cloud Edition offers the following ECU map adjustments and software solutions:
- SAI Off
Need to fix P0411 on your ECU?
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