DTC P1111: Atmospheric Pressure Sensor Circuit High Input - IMPREZA 2.2L, Legacy & Outback 2.5L M/T & Outback Sport

Perform basic diagnostic procedure. See BASIC DIAGNOSTIC PROCEDURE . If DTC P1111 is present, replace ECM. Atmospheric pressure sensor is integral part of ECM. Clear memory and perform verification procedure. See CLEARING DIAGNOSTIC TROUBLE CODES  and VERIFICATION PROCEDURE  .