DTC P0412 BMW
Secondary Air Injection Solenoid Circuit Malfunction
Secondary Air Injection Solenoid Circuit Malfunction
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 ch
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
Video Guide
Diagnostic Info
- DTC Code: P0412
- Brand: BMW