DTC

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OBDII – ON-BOARD DIAGNOSTIC II SYSTEM

 

 

A list of 102 DTC’s – Diagnostic Trouble Code for Subaru Vehicles

PO106 – PO1742

DTC Description
P0106 Intake manifold pressure sensor circuit range/performance problem
P0107 Intake manifold pressure sensor circuit low
P0108 Intake manifold pressure sensor circuit high input
P0111 Intake air temperature sensor circuit range/performance problem
P0112 Intake air temperature sensor circuit low input
P0113 Intake air temperature sensor circuit high input
P0116 Engine coolant temperature sensor circuit low input
P0117 Engine coolant temperature sensor circuit high input
P0121 Throttle position sensor circuit range/performance problem (high input)
P0122 Throttle position sensor circuit low input
P0123 Throttle position sensor circuit high input
P0125 Insufficient coolant temperature for closed loop fuel control
P0131 Front oxygen (AlF) sensor circuit range/performance problem (low input)
P0132 Front oxygen (AlF) sensor circuit range/performance problem (high input)
P0133 Front oxygen (AlF) sensor circuit slow response
P0136 Rear oxygen sensor circuit malfunction
P0139 Rear oxygen sensor circuit slow response
P0141 Rear oxygen sensor heater circuit low input
P0171 Fuel trim malfunction (AiF too lean)
P0172 Fuel trim malfunction (AiF too rich)
P0181 Fuel temperature sensor A circuit range/performance problem
P0182 Fuel temperature sensor A circuit low input
P0183 Fuel temperature sensor A circuit high input
P0301 Cylinder 1 misfire detected
P0302 Cylinder 2 misfire detected
P0303 Cylinder 3 misfire detected
P0304 Cylinder 4 misfire detected
P0325 Knock sensor circuit malfunction
P0335 Crankshaft position sensor circuit malfunction
P0336 Crankshaft position sensor circuit range/performance problem
P0340 Camshaft position sensor circuit malfunction
P0341 Camshaft position sensor circuit range/performance problem
P0420 Catalyst system efficiency below threshold
P0440 Evaporative emission control system malfunction
P0443 Evaporative emission control system purge control valve circuit low input
P0446 Evaporative emission control system vent control low input
P0451 Evaporative emission control system pressure sensor range/performance problem
P0452 Evaporative emission control system pressure sensor low input
P0453 Evaporative emission control system pressure sensor high input
P0461 Fuel level sensor circuit range/performance problem
P0462 Fuel level sensor circuit low input
P0463 Fuel level sensor circuit high input
P0480 Cooling fan relay 1 circuit low input
P0483 Cooling fan function problem
P0500 Vehicle speed sensor malfunction
P0505 Idle control system circuit low input
P0506 Idle control system RPM lower than expected
P0507 Idle control system RPM higher than expected
P0601 Internal control module memory check sum error
P0703 Brake switch input malfunction
P0705 Transmission range sensor circuit malfunction
P0710 Transmission fluid temperature sensor circuit malfunction
P0715 Torque converter turbine speed sensor circuit malfunction
P0720 Output speed sensor (vehicle speed sensor 2) circuit malfunction
P0725 Engine speed input circuit malfunction
P0731 Gear 1 incorrect ratio
P0732 Gear 2 incorrect ratio
P0733 Gear 3 incorrect ratio
P0734 Gear 4 incorrect ratio
P0740 Torque converter clutch system malfunction
P0743 Torque converter clutch system (Duty solenoid B) electrical
P0748 Pressure control solenoid (Duty solenoid A) electrical
P0753 Shift solenoid A (shift solenoid 1) electrical
P0758 Shift solenoid B (shift solenoid 2) electrical
P1100 Starter switch circuit low input
P1101 Neutral position switch circuit low input [MT vehicles]
P1101 Neutral position switch circuit high input [AT vehicles]
P1103 Engine torque control signal 1 circuit malfunction
P1106 Engine torque control signal 2 circuit malfunction
P1110 Atmospheric pressure sensor circuit low input
P1111 Atmospheric pressure sensor circuit high input
P1112 Atmospheric pressure sensor circuit range/performance problem
P1115 Engine torque control cut signal circuit high input
P1116 Engine torque control cut signal circuit low input
P1120 Starter switch circuit high input
P1121 Neutral position switch circuit high input [MT vehiclesj
P1121 Neutral position switch circuit low input [AT vehicles]
P1130 Front oxygen (AlF) sensor circuit malfunction (open circuit)
P1131 Front oxygen (AlF) sensor circuit malfunction (short circuit)
P1132 Front oxygen (A/F) sensor heater circuit low input
P1133 Front oxygen (AlF) sensor heater circuit high input
P1134 Front oxygen (AlF) sensor micro-computer problem
P1139 Front oxygen (A/F) sensor #1 heater circuit range/performance problem
P1142 Throttle position sensor circuit range/performance problem (low input)
P1151 Rear oxygen sensor heater circuit high input
P1400 Fuel tank pressure control solenoid valve circuit low input
P1420 Fuel tank pressure control solenoid valve circuit high input
P1422 Evaporative emission control system purge control valve circuit high input
P1423 Evaporative emission control system vent control high input
P1443 Evaporative emission control system vent control function problem
P1505 Idle control system circuit high input
P1507 Idle control system malfunction (fail-safe)
P1520 Cooling fan relay 1 circuit high input
P1560 Back-up voltage circuit malfunction
P1700 Throttle position sensor circuit malfunction for automatic transmission
P1701 Cruise control set signal circuit malfunction for automatic transmission
P1702 Automatic transmission diagnosis input signal circuit low input
P1703 Low clutch timing control solenoid valve circuit malfunction
P1704 2-4 brake timing control solenoid valve circuit malfunction
P1705 2-4 brake pressure control solenoid valve (Duty solenoid D) circuit malfunction
P1722 Automatic transmission diagnosis input signal circuit high input
P1742 Automatic transmission diagnosis input signal circuit malfunction

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