Menu

Subaru Services

Specialty Services

Links

Fun Things
DTC

OBDII   - ON-BOARD DIAGNOSTICS II SYSTEM

 A list of 102  DTCs - Diagnostic Trouble Code for SUBARU vehicles

PO106 – PO1742

 
DTC Description
P0106Intake manifold pressure sensor circuit range/performance problem
P0107Intake manifold pressure sensor circuit low input
P0108Intake manifold pressure sensor circuit high input
P0111Intake air temperature sensor circuit range/performance problem
P0112Intake air temperature sensor circuit low input
P0113Intake air temperature sensor circuit high input
P0116Engine coolant temperature sensor circuit low input
P0117Engine coolant temperature sensor circuit high input
P0121Throttle position sensor circuit range/performance problem (high input)
P0122Throttle position sensor circuit low input
P0123Throttle position sensor circuit high input
P0125Insufficient coolant temperature for closed loop fuel control
P0131Front oxygen (AlF) sensor circuit range/performance problem (low input)
P0132Front oxygen (AlF) sensor circuit range/performance problem (high input)
P0133Front oxygen (AlF) sensor circuit slow response
P0136Rear oxygen sensor circuit malfunction
P0139Rear oxygen sensor circuit slow response
P0141Rear oxygen sensor heater circuit low input
P0171Fuel trim malfunction (AiF too lean)
P0172Fuel trim malfunction (AiF too rich)
P0181Fuel temperature sensor A circuit range/performance problem
P0182Fuel temperature sensor A circuit low input
P0183Fuel temperature sensor A circuit high input
P0301Cylinder 1 misfire detected
P0302Cylinder 2 misfire detected
P0303Cylinder 3 misfire detected
P0304Cylinder 4 misfire detected
P0325Knock sensor circuit malfunction
P0335Crankshaft position sensor circuit malfunction
P0336Crankshaft position sensor circuit range/performance problem
P0340Camshaft position sensor circuit malfunction
P0341Camshaft position sensor circuit range/performance problem
P0420Catalyst system efficiency below threshold
P0440Evaporative emission control system malfunction
P0443Evaporative emission control system purge control valve circuit low input
P0446Evaporative emission control system vent control low input
P0451Evaporative emission control system pressure sensor range/performance problem
P0452Evaporative emission control system pressure sensor low input
P0453Evaporative emission control system pressure sensor high input
P0461Fuel level sensor circuit range/performance problem
P0462Fuel level sensor circuit low input
P0463Fuel level sensor circuit high input
P0480Cooling fan relay 1 circuit low input
P0483Cooling fan function problem
P0500Vehicle speed sensor malfunction
P0505Idle control system circuit low input
P0506Idle control system RPM lower than expected
P0507Idle control system RPM higher than expected
P0601Internal control module memory check sum error
P0703Brake switch input malfunction
P0705Transmission range sensor circuit malfunction
P0710Transmission fluid temperature sensor circuit malfunction
P0715Torque converter turbine speed sensor circuit malfunction
P0720Output speed sensor (vehicle speed sensor 2) circuit malfunction
P0725Engine speed input circuit malfunction
P0731Gear 1 incorrect ratio
P0732Gear 2 incorrect ratio
P0733Gear 3 incorrect ratio
P0734Gear 4 incorrect ratio
P0740Torque converter clutch system malfunction
P0743Torque converter clutch system (Duty solenoid B) electrical
P0748Pressure control solenoid (Duty solenoid A) electrical
P0753Shift solenoid A (shift solenoid 1) electrical
P0758Shift solenoid B (shift solenoid 2) electrical
P1100Starter switch circuit low input
P1101Neutral position switch circuit low input [MT vehicles]
P1101Neutral position switch circuit high input [AT vehicles]
P1103Engine torque control signal 1 circuit malfunction
P1106Engine torque control signal 2 circuit malfunction
P1110Atmospheric pressure sensor circuit low input
P1111Atmospheric pressure sensor circuit high input
P1112Atmospheric pressure sensor circuit range/performance problem
P1115Engine torque control cut signal circuit high input
P1116Engine torque control cut signal circuit low input
P1120Starter switch circuit high input
P1121Neutral position switch circuit high input [MT vehiclesj
P1121Neutral position switch circuit low input [AT vehicles]
P1130Front oxygen (AlF) sensor circuit malfunction (open circuit)
P1131Front oxygen (AlF) sensor circuit malfunction (short circuit)
P1132Front oxygen (A/F) sensor heater circuit low input
P1133Front oxygen (AlF) sensor heater circuit high input
P1134Front oxygen (AlF) sensor micro-computer problem
P1139Front oxygen (A/F) sensor #1 heater circuit range/performance problem
P1142Throttle position sensor circuit range/performance problem (low input)
P1151Rear oxygen sensor heater circuit high input
P1400Fuel tank pressure control solenoid valve circuit low input
P1420Fuel tank pressure control solenoid valve circuit high input
P1422Evaporative emission control system purge control valve circuit high input
P1423Evaporative emission control system vent control high input
P1443Evaporative emission control system vent control function problem
P1505Idle control system circuit high input
P1507Idle control system malfunction (fail-safe)
P1520Cooling fan relay 1 circuit high input
P1560Back-up voltage circuit malfunction
P1700Throttle position sensor circuit malfunction for automatic transmission
P1701Cruise control set signal circuit malfunction for automatic transmission
P1702Automatic transmission diagnosis input signal circuit low input
P1703Low clutch timing control solenoid valve circuit malfunction
P17042-4 brake timing control solenoid valve circuit malfunction
P17052-4 brake pressure control solenoid valve (Duty solenoid D) circuit malfunction
P1722Automatic transmission diagnosis input signal circuit high input
P1742Automatic transmission diagnosis input signal circuit malfunction