DTC P1418 BMW
Secondary Air Pump Valve Plausibility
Secondary Air Pump Valve Plausibility
Description
The Engine Control Module detects an implausible signal when activating the secondary air injection solenoid valve. The secondary air valve or tube is blocked. Note: Solenoid valve is closed when no voltage is present.
Cause and Solution
Connector to the secondary air injection valve is loose or disconnected
Secondary air injector valve circuit short
Secondary air injector valve circuit is open
Video Guide
Diagnostic Info
- DTC Code: P1418
- Brand: BMW