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Subaru Factory DTC Code Definitions

Written by John Wells | Mar 1, 2016 5:00:00 AM

Subaru Factory DTC Code Definitions

EVAP valve/ fuel tank/ hose/pipe blockage
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/
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