OBD Codes

CodeDescriptionP1115Engine Coolant Temperature Signal from ECM to TCM.P1121Throttle Position Sensor Signal Malfunction from ECM to TCM.P1170Front Heated Oxygen Sensor Stuck.P1195EGR Pressure Sensor (1.6L) or...

CodeDescriptionP1192Inlet Air Temp. Circuit LowP1193Inlet Air Temp. Circuit HighP11951/1 O2 Sensor Slow During Catalyst MonitorP11962/1 O2 Sensor Slow During Catalyst MonitorP11971/2 O2 Sensor Slow...

CodeDescriptionP1106Barometric Pressure Circuit Range/PerformanceP1107Barometric Pressure Circuit Low InputP1108Barometric Pressure Circuit High InputP1121Throttle Position Lower Than ExpectedP1122Throttle Position Higher Than ExpectedP1128MAP Lower Than ExpectedP1129MAP Higher...

CodeDescriptionP1102O2S Heating Circuit Bank 1 Sensor 1 Voltage Too Low/Air LeakP1105O2S Heating Circuit Bank 1 Sensor 2 Short To PositiveP1107O2S Heating Circuit Bank 2...

Subaru Specific Codes OBD-II OBD2 (1996 & newer)CodeDescriptionP1086Tumble generator valve #2 (LH) position sensor circuit low inputP1087Tumble generator valve #2 (LH) position sensor circuit...

P1000OBD-II Monitor Testing IncompleteP1001KOER Test Cannot Be CompletedP1039Vehicle Speed Signal Missing or ImproperP1051Brake Switch Signal Missing or ImproperP1100Mass Air Flow Sensor IntermittentP1101Mass Air Flow...

CodeDescriptionP1100Manifold Absolute Pressure (MAP) Sensor Malfunction (Open/Short)P1102Manifold Absolute Pressure (MAP) Sensor Malfunction - Low VoltageP1103Manifold Absolute Pressure (MAP) Sensor Malfunction - High VoltageP1147ETS Sub...

CodeDescriptionP1106MAP Circuit Intermittent Voltage HighP1107MAP Circuit Intermittent Voltage LowP1108Barometric Pressure Circuit Input HighP1111IAT Sensor Circuit Intermittent Voltage HighP1112IAT Sensor Circuit Intermittent Voltage LowP1114ECT Sensor...