DTC P0413 Audi
Secondary Air Injection Solenoid Circuit Open
Secondary Air Injection Solenoid Circuit Open
Description
Engine started, battery voltage must be at least 11.5v, all electrical components must be off, parking brake must be engaged (to keep daytime driving lights off), automatic transmission selector must be in park and the ground between the engine and the chassis must be well connected. The ECM detected an unexpected low or high voltage condition on the AIR solenoid control circuit during testing.
Cause and Solution
AIR solenoid power circuit (B+) is open (check dedicated fuse)
AIR bypass solenoid control circuit is open or shorted to ground
AIR diverter solenoid control circuit open or shorted to ground
AIR pump control circuit is open or shorted to ground
Check valve (one or more) is damaged or leaking
Solid State relay is damaged or it has failed
Video Guide
Diagnostic Info
- DTC Code: P0413
- Brand: Audi