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P1112 Diagnostic Trouble Code Discussion for October 2007

IAT Sensor Circuit Intermittent Low Voltage

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Trouble Ticket Help Requests for DTC P1112
Help Request Posted
2002 Subaru Outback 2.5L Stall VIN: 4S3BH67582
P1112: Atmospheric Pressure Sensor Circuit Performance. This car has a P1112 in the computer. Subaru test procedures indicate that if there are no other trouble codes displayed that the ECM should be replaced (with a side note that the atmospheric pressure sensor is built into the ECM). While I have no trouble ins...
October 03, 2007
2000 Chevrolet Astro 4.3L MIL Lamp on VIN: 1GCDM19W6Y
P1112: IAT Sensor Circuit Intermittent Low Voltage. all codes set at same time vehicle will go days and run fine then codes set vehicle will not go over 50 mph never happened for us but freeze frame data shows tp voltage 0 checked tp sensor iat sensor evap vent all look good checked over wiring for short to gro...
October 11, 2007