www.diycardoctor.com Subaru Factory DTC Code Definitions P1086 - Intake manifold air control actuator position sensor/ LH — voltage low P1087 - Intake manifold air control actuator position sensor/ LH — voltage high P1088 - Intake manifold air control actuator position sensor/ RH — voltage low P1089 - Intake manifold air control actuator position sensor/ RH — voltage high P1090 - Intake manifold air control actuator/ RH — stuck open P1091 - Intake manifold air control actuator/ RH — stuck closed P1092 - Intake manifold air control actuator/ LH — stuck open P1093 - Intake manifold air control actuator/ LH — stuck closed P1094 - Intake manifold air control actuator/ RH — open circuit P1095 - Intake manifold air control actuator/ RH — over current/short circuit P1096 - Intake manifold air control actuator/ LH — open circuit P1097 - Intake manifold air control actuator/ LH — over current/short circuit P1100 - Starter signal — circuit malfunction P1101 - Neutral position (NP) switch — MT — circuit malfunction P1102 - MAP/BARO sensor — switching valve — circuit malfunction P1103 - Engine torque control signal 1 — circuit malfunction P1104 - Traction control signal — circuit malfunction P1106 - Engine torque control signal 2 — circuit malfunction P1110 - Barometric pressure (BARO) sensor — voltage low P1111 - Barometric pressure (BARO) sensor — voltage high P1112 - Barometric pressure (BARO) sensor — range/performance problem P1115 - Engine torque control cut signal — voltage high P1116 - Engine torque control cut signal — voltage low P1120 - Starter signal — voltage high P1121 - Park/neutral position (PNP) switch neutral position (NP) switch — voltage low P1122 - MAP/BARO sensor switching valve — voltage high P1124 - Traction control signal — voltage high P1130 - Heated oxygen sensor (H025) 1 — open circuit P1131 - Heated oxygen sensor (HO2S) I — short circuit P1132 - Heated oxygen sensor (HO2S) 1 — voltage low P1133 - Heated oxygen sensor (H025) 1 — voltage high P1134 - Engine control module (ECM) P1137 - Heated oxygen sensor (HO2S) 1 — range/performance problem P1139 - Heated oxygen sensor (HO2S) 1/ heater control — range/performance problem P1140 - Heated oxygen sensor (H025) I/ bank 2/heater — range/performance problem P1141 - Mass air flow (MAF) sensor — range/performance problem voltage high P1142 - Throttle position (TP) sensor — range/performance problem voltage low P1143 - MAP/BARO sensor — range/performance problem voltage low P1144 - Manifold absolute pressure (MAP) sensor/barometric pressure (BARO) sensor — range/performance problem Voltage high P1146 - Manifold absolute pressure (MAP) sensor — range/performance problem voltage high P1150 - Heated oxygen sensor (HO2S) 1/heater — voltage high P1151 - Heated oxygen sensor (H025)2 — voltage high P1152 - Heated oxygen sensor (HO2S) 1/ bank 1 — range/performance problem voltage low P1153 - Heated oxygen sensor (HO2S) I/ bank 1 — range/performance problem voltage high P1154 - Heated oxygen sensor (HO2S) 1/ bank 2 — range/performance problem voltage low P1155 - Heated oxygen sensor (HO2S) 1/ bank 2 — range/performance problem voltage high P1160 - Throttle actuator control (TAC) — return spring failure P1207 - Injector air control solenoid — voltage low P1208 - Injector air control solenoid — voltage high P1230 - Fuel pump (FP) control module — circuit malfunction P1244 - Turbocharger (TC) waste gate regulating valve — voltage low P1245 - Turbocharger (TC) waste gate regulating valve — failsafe P1301 - Exhaust gas temperature sensor — misfire/fire due to increased temperature P1312 - Exhaust gas temperature sensor P1325 - Knock sensor (KS) — voltage low P1400 - Fuel tank pressure control solenoid — circuit malfunction voltage low P1401 - Fuel tank pressure control system — malfunction P1402 - Fuel level sensor — circuit malfunction P1420 - Fuel tank pressure control solenoid — circuit malfunction voltage high P1421 - Exhaust gas Recirculation (EGR) system — voltage high P1422 - Evaporative emission (EVAP) canister purge valve — voltage high P1423 - Evaporative emission (EVAP) canister purge system — vent control voltage high P1440 - Fuel tank pressure control system — voltage low P1441 - Fuel tank pressure control system — Fuel tank pressure control solenoid/ fuel voltage high filler cap/ EVAP drain/vent valve/ EVAP valve/ fuel tank/ hose/pipe blockage P1442 - Fuel level sensor — range/performance problem Fuel level sensor P1443 - Evaporative emission (EVAP) canister purge Hose blockage/ EVAP drain valve system — vent control malfunction P1445 - Injector air control solenoid — circuit malfunction Wiring/ Injector air control solenoid/ ECM P1446 - Evaporative emission (EVAP) atmospheric Wiring/ atmospheric pressure solenoid/ ECM pressure solenoid — voltage low P1447 - Evaporative emission (EVAP) atmospheric pressure solenoid — voltage high P1448 - Evaporative emission (EVAP) atmospheric pressure solenoid — range/performance problem P1480 - Engine coolant blower motor relay I — voltage high P1490 - Thermostat — malfunction P1491 - Positive crankcase ventilation — malfunction P1492 - Exhaust gas Recirculation (EGR) solenoid valve — signal 1 — voltage low P1493 - Exhaust gas Recirculation (EGR) solenoid valve — signal 1 — voltage high P1494 - Exhaust gas Recirculation (EGR) solenoid valve — signal 2 — voltage low P1495 - Exhaust gas Recirculation (EGR) solenoid valve — signal 2 — voltage high P1496 - Exhaust gas Recirculation (EGR) solenoid valve — signal 3 — voltage low P1497 - Exhaust gas Recirculation (EGR) solenoid valve — signal 3 — voltage high P1498 - Exhaust gas Recirculation (EGR) solenoid valve — signal 4 — voltage low P1499 - Exhaust gas Recirculation (EGR) solenoid valve — signal 4 — voltage high P1500 - Engine coolant blower motor relay 1 — circuit malfunction P1502 - Engine coolant blower motor — malfunction P1505 - Idle air (IAC) control valve — voltage high P1507 - Idle air (IAC) control system — malfunction P1510 - Idle air (IAC) control valve circuit 1 — voltage low P1511 - Idle air (IAC) control valve circuit I — voltage high P1512 - Idle air (IAC) control valve circuit 2 — voltage low P1513 - Idle air (IAC) control valve circuit 2 — voltage high P1514 - Idle air (IAC) control valve circuit 3 — voltage low P1515 - Idle air (IAC) control valve circuit 3 — voltage high P1516 - Idle air (IAC) control valve circuit 4 — voltage low P1517 - Idle air (IAC) control valve circuit 4 — voltage high P1518 - Starter motor switch — circuit malfunction P1520 - Engine coolant blower motor relay 1 — voltage high P1540 - Vehicle speed sensor (VS$) — malfunction 2 P1544 - Exhaust gas temperature sensor — increased temperature detected P1560 - Engine control module (ECM) — battery voltage supply P1590 - Park neutral position (PNP) switch — voltage high P1591 - Park neutral position (PNP) switch — voltage low P1592 - Park neutral position (PNP) switch — circuit malfunction P1594 - Transmission control module (TCM) — communication circuit malfunction P1595 - Transmission control module (TCM) — communication circuit voltage low P1596 - Transmission control module (TCM) — communication circuit voltage high P1698 - Engine torque control cut signal — voltage low P1699 - Engine torque control cut signal — voltage high P1700 - AT — throttle position (TP) sensor — circuit malfunction P1701 - control set signal — AT — circuit malfunction P1702 - AT diagnosis signal — voltage low P1703 - Shift solenoid (SS) low clutch timing — circuit malfunction P1705 - Shift solenoid (SS) 2-4 brake pressure control — circuit malfunction P1711 - Engine torque control signal 1 — circuit malfunction P1712 - Engine torque control signal 2 — circuit malfunction P1722 - AT diagnosis signal — voltage high P1742 - Automatic transmission diagnosis signal — circuit malfunction