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Subaru OBD2 specific error codes

Below are all the error codes that can be returned by Subaru through your interface or reader.

OBD Error Code

Meaning code Subaru
P1086 Tumble generator valve #2 (LH) position sensor circuit low input
P1087 Tumble generator valve #2 (LH) position sensor circuit high input
P1088 Tumble generator valve #1 (RH) position sensor circuit low input
P1089 Tumble generator valve #1 (RH) position sensor circuit high input
P1090 Tumble generator valve #1 (RH) malfunction (stuck open)
P1091 Tumble generator valve #1 (RH) malfunction (stuck close)
P1092 Tumble generator valve #2 (LH) malfunction (stuck open)
P1093 Tumble generator valve #2 (LH) malfunction (stuck close)
P1094 Tumble generator valve circuit #1 (open circuit)
P1095 Tumble generator valve circuit #1 (over current)
P1096 Tumble generator valve circuit #2 (open circuit)
P1097 Tumble generator valve circuit #2 (over current)
P1100 Starter Switch Circuit Malfunction
P1101 Neutral Position Switch Circuit High Input (A/T)
P1101 Neutral Position Switch Circuit Malfunction (M/T)
P1102 Pressure Sources Solenoid Valve Circuit Malfunction
P1103 Pressure Sources Switching Solenoid Valve Circuit
P1104 Engine Torque Control Signal Circuit Malfunction
P1106 Engine Torque Control Signal 2 Circuit Malfunction
P1110 Atmospheric pressure sensor low input
P1111 Atmospheric pressure sensor high input
P1112 Atmospheric pressure sensor range/performance problem
P1115 Engine Torque Control Cut Signal Circuit High Input
P1116 Engine Torque Control Cut Signal Circuit Low Input
P1120 Starter Switch High Input
P1121 Neutral Position Switch Circuit High Input [MT Vehicles]
P1121 Neutral Position Switch Circuit Low Input [AT Vehicles]
P1122 Pressure Sources Switching Valve Circuit High Input
P1124 TCS Signal Circuit High Input
P1130 Front oxygen sensor circuit malfunction (open circuit)
P1131 Front oxygen sensor circuit malfunction (short circuit)
P1134 Front oxygen (A/F) sensor microcomputer problem
P1137 Front oxygen (A/F) sensor circuit range/performance problem
P1139 Front oxygen (A/F) sensor #1 heater circuit performance/range problem
P1141 Mass Air Flow Sensor Circuit High Input
P1142 Mass Air Flow Sensor Circuit Low Input
P1143 Pressure Sensor Circuit Low Input
P1144 Pressure Sensor Circuit High Input
P1146 Pressure sensor circuit range/performance problem (high input)
P1150 Front Oxygen Sensor Heater Circuit High Input
P1151 Rear Oxygen Sensor Heater Circuit High Input
P1230 Fuel pump control unit malfunction
P1244 Wastegate control solenoid valve malfunction (low input)
P1245 Wastegate control solenoid valve malfunction (fail-safe)
P1301 Fire due to increased exhaust temperature
P1312 Exhaust temperature sensor malfunction
P1325 Knock Sensor Circuit Low Input
P1400 Fuel Tank Pressure Control Solenoid Low Input
P1420 Fuel Tank Pressure Control Solenoid High Input
P1421 Exhaust Gas Recirculation Circuit High Input
P1422 EVAP Purge Control Valve Circuit High Input
P1423 EVAP Vent Control High Input
P1440 Fuel Tank Pressure Control System Low Input
P1441 Fuel Tank Pressure Control System High Input
P1442 Fuel Level Sensor Circuit Range/Perf
P1443 EVAP Control System Vent Control Function Problem
P1480 Cooling fan relay 1 circuit high input
P1500 Radiator Fan Relay 1 Circuit Malfunction
P1501 Idle Control System Malfunction (Fail Safe)
P1502 Radiator Fan Function Problem
P1507 Idle Control System Malfunction (Fail Safe)
P1510 Idle Air Control Solenoid Signal 1 Circuit Low Input
P1511 Idle Air Control Solenoid Signal 1 Circuit High Input
P1512 Idle Air Control Solenoid Signal 2 Circuit Low Input
P1513 Idle Air Control Solenoid Signal 2 Circuit High Input
P1514 Idle Air Control Solenoid Signal 3 Circuit Low Input
P1515 Idle Air Control Solenoid Signal 3 Circuit High Input
P1516 Idle Air Control Solenoid Signal 4 Circuit Low Input
P1517 Idle Air Control Solenoid Signal 4 Circuit High Input
P1518 Starter switch circuit low input
P1520 Radiator Fan Relay 1 Circuit High Input
P1540 Vehicle Speed Sensor Malfunction 2
P1544 High exhaust temperature detected
P1560 Back-Up Voltage Circuit Malfunction
P1590 Neutral position switch circuit high input
P1591 Neutral position switch circuit low input
P1592 Neutral position switch circuit (MT model)
P1594 Automatic transmission diagnosis input signal circuit malfunction
P1595 Automatic transmission diagnosis input signal circuit low input
P1596 Automatic transmission diagnosis input signal circuit high input
P1698 Engine torque control cut signal circuit low input
P1699 Engine torque control cut signal circuit high input
P1700 Throttle Position Sensor Circuit Malfunction (A/T)
P1701 Cruise Control Set Signal Circuit Malfunction (A/T)
P1702 Auto Trans Diagnosis Input Signal Circuit
P1703 Low clutch timing control solenoid valve circuit malfunction
P1704 2-4 Brake Timing Solenoid Valve Circuit Malfunction
P1705 2-4 Brake Pressure Solenoid Valve (Solenoid D) Circuit
P1711 Engine torque control signal 1 circuit malfunction
P1712 Engine torque control signal 2 circuit malfunction
P1722 Auto Trans Diagnosis Input Signal High Input
P1742 Auto Trans Diagnosis Input Signal Malfunction