DTC P1423 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 air mass is greater than 12 but less than 152 m kg h, coolant temperature is greater than 3 but less than 75 degrees Celsius, intake te

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

Duration: PT3M58S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P1423
  • Brand: BMW
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