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OBDII Trouble Code Definitions

Subaru specific trouble codes | | ECU Reset

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The following table shows all OBDII trouble codes that may be reported by your Subaru. See another page for Subaru specific trouble code definitions.

OBDII CodeOBDII Trouble Code Description
P0011A Camshaft Position System Performance (Bank 1)
P0021A Camshaft Position System Performance (Bank 2)
P0026OSV Solenoid Valve L Malfunction
P0028OSV Solenoid Valve L Malfunction
P0030O2 Sensor Heater Circuit Range/Performance Bank 1 Sensor 1
P0031HO2S Heater Control Circuit Low (Bank 1 Sensor 1)
P0032HO2S Heater Control Circuit High (Bank 1 Sensor 1)
P0034Turbo Charger Bypass Valve Control Circuit Low
P0035Turbo Charger Bypass Valve Control Circuit High
P0037HO2S Heater Control Circuit Low (Bank 1 Sensor 2)
P0038HO2S Heater Control Circuit High (Bank 1 Sensor 2)
P0043HO2S Heater Control Circuit Low Bank 1 Sensor 3
P0044H02S Heater Control Circuit High Bank 1 Sensor 3
P0050O2 Sensor Heater Circuit Range/Performance Bank 2 Sensor 1
P0051HO2S Heater Control Circuit Low (Bank 2 Sensor 1)
P0052HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0057HO2S Heater Control Circuit Low Bank 2 Sensor 2
P0058HO2S Heater Control Circuit High Bank 2 Sensor 2
P0063HO2S Heater Control Circuit Low Bank 2 Sensor 3
P0064HO2S Heater Control Circuit High Bank 2 Sensor 3
P0065Air Assisted Injector Control Range/Performance
P0066Air Assisted Injector Control Circuit or Circuit Low
P0067Air Assisted Injector Control Circuit High
P0068Manifold Pressure Sensor Range/Performance
P0076OSV Solenoid Valve L Circuit Malfunction Low
P0077OSV Solenoid Valve L Circuit Malfunction High
P0082OSV Solenoid Valve L Circuit Malfunction Low
P0083OSV Solenoid Valve L Circuit Malfunction High
P0101Mass air flow sensor circuit range/performance problem (high input)
P0101Mass or Volume Air Flow Circuit Range Performance
P0102Mass air flow sensor circuit low input
P0103Mass air flow sensor circuit high input
P0106Manifold Pressure Sensor Circuit Range/Performance Problem (Low)
P0106Pressure sensor circuit range/performance problem (low input)
P0107Manifold Pressure Sensor Circuit Malfunction (Low Input)
P0107Pressure sensor circuit low input
P0108Manifold Pressure Sensor Circuit Malfunction (High Input)
P0108Pressure sensor circuit high input
P0111Intake Air Temperature Sensor Range/Performance Problem
P0112Intake Air Temperature Sensor Circuit Malfunction (Low Input)
P0113Intake Air Temperature Sensor Circuit Malfunction (High Input)
P0117Engine coolant temperature sensor circuit low input
P0118Engine 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
P0128Coolant Thermostat
P0129Atmospheric Pressure Sensor Range/Performance
P0130O2 Sensor Circuit (Bank 1 Sensor 1)
P0130O2 Sensor Circuit (Lean) (Bank 1 Sensor 2)
P0130O2 Sensor Circuit Bank 1 Sensor 1
P0131O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1)
P0132O2 Sensor Circuit High Voltage (Bank 1 Sensor 1)
P0133O2 Sensor Circuit Slow Response (Bank 1 Sensor 1)
P0134O2 Sensor Circuit Open Bank 1 Sensor 1
P0135O2 Sensor Heater Circuit (Bank 1 Sensor 1)
P0136O2 Sensor Circuit (Bank 1 Sensor 2)
P0137O2 Sensor Circuit Low Voltage Bank 1 Sensor 2
P0138O2 Sensor Circuit High Voltage (Bank 1 Sensor 2)
P0139O2 Sensor Circuit Slow Response (Bank 1 Sensor 2)
P0141O2 Sensor Heater Circuit (Bank 1 Sensor 2)
P0142O2 Sensor Circuit Bank 1 Sensor 3
P0143O2 Sensor Circuit Low Voltage Bank 1 Sensor 3
P0144O2 Sensor Circuit High Voltage Bank 1 Sensor 3
P0145O2 Sensor Circuit Slow Response Bank 1 Sensor 3
P0150O2 Sensor Circuit Bank 2 Sensor 1
P0151O2 Sensor Circuit Low Voltage (Bank 2 Sensor 1)
P0152O2 Sensor Circuit High Voltage (Bank 2 Sensor 1)
P0153O2 Sensor Circuit Slow Response (Bank 2 Sensor 1)
P0154O2 Sensor Circuit Open Bank 2 Sensor 1
P0156O2 Sensor Circuit Bank 2 Sensor 2
P0157O2 Sensor Circuit Low Voltage Bank 2 Sensor 2
P0158O2 Sensor Circuit High Voltage Bank 2 Sensor 2
P0159O2 Sensor Circuit Slow Response Bank 2 Sensor 2
P0162O2 Sensor Circuit Bank 2 Sensor 3
P0165O2 Sensor Circuit Slow Response Bank 2 Sensor 3
P0170Fuel Trim (Bank 1)
P0171System Too Lean (Bank 1) - usually caused by a leak in the intake system somewhere between the Mass Air Flow sensor and the cylinder intake valves. Look for a vacuum hose that’s become disconnected or a crack in one of the tubes connected to the turbocharger
P0172System Too Rich (Bank 1)
P0174System Too Lean (Bank 2)
P0175System Too Rich (Bank 2)
P0181Fuel Temperature Sensor A Performance Problem
P0182Fuel Temperature Sensor A Circuit Low Input
P0183Fuel Temperature Sensor A Circuit High Input
P0196Oil Temperature Sensor Circuit Range/Performance Problem
P0197Oil Temperature Sensor Circuit Malfunction Low
P0198Oil Temperature Sensor Circuit Malfunction High
P0222Throttle Position Sensor B Low Input
P0223Throttle Position Sensor B High Input
P0230Fuel Pump Controller
P0244Turbocharger Wastegate Solenoid A Range/Performance (High Input)
P0245Turbocharger Wastegate Solenoid A Low
P0246Turbocharger Wastegate Solenoid A High
P0249Turbocharger Wastegate Solenoid B Low
P0250Turbocharger Wastegate Solenoid B High
P0261Fuel Injector Circuit Low - #1
P0264Fuel Injector Circuit Low - #2
P0267Fuel Injector Circuit Low - #3
P0270Fuel Injector Circuit Low - #4
P0301Cylinder 1 Misfire Detected
P0302Cylinder 2 Misfire Detected
P0303Cylinder 3 Misfire Detected
P0304Cylinder 4 Misfire Detected
P0305Cylinder 5 Misfire Detected
P0306Cylinder 6 Misfire Detected
P0325Knock Sensor 1 Circuit Malfunction
P0327Knock Sensor 1 Circuit Malfunction (Low Input)
P0328Knock Sensor 1 Circuit Malfunction (High Input)
P0330Knock Sensor 2 Circuit Malfunction
P0332Knock Sensor 2 Circuit Malfunction (Low Input)
P0333Knock Sensor 2 Circuit Malfunction (High Input)
P0335Crankshaft position sensor circuit malfunction
P0336Crankshaft position sensor circuit range/performance problem
P0340Camshaft position sensor circuit malfunction
P0341Camshaft position sensor circuit range/performance problem
P0345Camshaft Position Sensor A Circuit Bank 2
P0350Ignition coil primary/secondary circuit
P0365Camshaft Position Sensor B Circuit (Bank 1)
P0390Camshaft Position Sensor B Circuit (Bank 2)
P0400EGR System
P0420Catalyst System Efficiency Below Threshold
P0442EVAP Control System Leak Detected (Small Leak)
P0444Canister Purge Control Solenoid Valve Circuit Low
P0445Canister Purge Control Solenoid Valve Circuit High
P0447EVAP Control System Vent Control Circuit Open
P0448EVAP Control System Vent Control Circuit Short
P0451Fuel Tank Pressure Sensor Performance Problem
P0452Fuel Tank Pressure Sensor Circuit Low Input
P0453Fuel Tank Pressure Sensor Circuit High Input
P0456EVAP Control System Leak Detected (Very Small Leak)
P0457EVAP Control System Leak Detected (Fuel Cap Loose/Off)
P0458Canister Purge Control Solenoid Valve Circuit Low
P0459Canister Purge Control Solenoid Valve Circuit High
P0461Fuel level sensor circuit range/performance problem
P0462Fuel level sensor circuit low input
P0463Fuel level sensor circuit high input
P0464Fuel level sensor intermittent input
P0480Cooling Fan Relay 1 Circuit Low
P0483Cooling Fan Rationality Check Malfunction
P0500Vehicle speed sensor malfunction
P0501Vehicle Speed Sensor Malfunction at Low Speed
P0502Vehicle Speed Sensor Low Speed
P0503Vehicle Speed Sensor High Speed
P0506Idle Control System RPM Lower than Expected
P0507Idle Control System RPM Higher than Expected
P0508Idle Control System Circuit Low
P0509Idle Control System Circuit High
P0512Starter switch circuit high input
P0513Incorrect Immobilizer Key
P0519Idle Control System Malfunction (Fail-Safe)
P0545Exhaust Gas Temperature Sensor Circuit Malfunction (Low Input)
P0546Exhaust Gas Temperature Sensor Circuit Malfunction (High Input)
P0558Alternator Circuit Low
P0559Alternator Circuit High
P0562System Voltage Low
P0563System Voltage High
P0565Cruise Control Set Signal
P0579Cruise Control Switch Circuit Range Performance Problem High Input
P0600Improper CAN Communication
P0601Internal control module memory check sum error
P0604Internal control module random access memory error
P0605Internal Control Module Read Only Memory Error
P0607Throttle Control System Circuit Range/Performance
P0638Throttle Control Circuit Range/Performance Problem
P0641Throttle Position Sensor A Power Supply Circuit
P0661Intake Manifold Tuning Valve Circuit Low
P0662Intake Manifold Tuning Valve Circuit High
P0691Cooling Fan Relay 1 Circuit Low
P0692Cooling Fan Relay 1 Circuit High
P0700Request AT MIL On
P0703Brake Switch Circuit Malfunction for AT
P0703Brake Switch Circuit Range Performance Problem High Input
P0705AT Range Switch Circuit Malfunction
P0710ATF Temp. Sensor Circuit Malfunction
P0712ATF Temp Sensor Circuit Low
P0713ATF Temp Sensor Circuit High
P0715Torque Converter Turbine Speed Signal Circuit Malfunction
P0716Torque Converter Turbine Speed Signal Circuit Malfunction
P0719Brake Switch Circuit Low
P0720AT Vehicle Speed Sensor Circuit High
P0720AT Vehicle Speed Sensor Circuit Malfunction
P0722AT Vehicle Speed Sensor Circuit Low
P0724Brake Switch Circuit High
P0725Engine Speed Input Circuit Malfunction
P0726Engine Speed Input Circuit Malfunction
P0731Gear 1 Incorrect Ratio
P0732Gear 2 Incorrect Ratio
P0733Gear 3 Incorrect Ratio
P0734Gear 4 Incorrect Ratio
P0735Gear 5 Incorrect Ratio
P0736Reverse Incorrect Ratio
P0741Torque Converter Clutch Circuit Malfunction
P0743Torque Converter Clutch Circuit Electrical (Duty Sol. B)
P0748Pressure Control Solenoid Electrical (Duty Sol. A)
P0751Shift Solenoid A Malfunction
P0753Shift Solenoid A Electrical
P0756Shift Solenoid B Malfunction
P0758Shift Solenoid B Electrical
P0761Shift Solenoid C Malfunction
P0763Shift Solenoid C Electrical
P0766Shift Solenoid D Malfunction
P0768Shift Solenoid D Electrical
P0771AT Low Clutch Timing Solenoid Valve Circuit Malfunction
P0771Shift Solenoid E Malfunction
P0773Shift Solenoid E Electrical
P0778AT 2–4 Brake Pressure Solenoid Valve Circuit Malfunction
P0785AT 2–4 Brake Timing Solenoid Valve Circuit Malfunction
P0801Reverse Inhibit Control Circuit
P0817PN Signal Output Circuit
P0851Neutral Switch Input Circuit Low
P0852Neutral Switch Input Circuit High
P0864TCM Communication Circuit Range/Performance
P0865TCM Communication Circuit Low
P0866TCM Communication Circuit High
P0880PIVGN Power Supply Circuit
P0882PIVGN Power Supply Low
P0883PIVGN Power Supply High
P0955Backup Lamp Relay Output Open
P0957Backup Lamp Relay Output Low
P0958Backup Lamp Relay Output High
P1026VVL Systems 1 Performance
P1028VVL Systems 2 Performance
P1086Tumble Generated Valve Position Sensor 2 Circuit Low
P1087Tumble Generated Valve Position Sensor 2 Circuit High
P1088Tumble Generated Valve Position Sensor 1 Circuit Low
P1089Tumble Generated Valve Position Sensor 1 Circuit High
P1090Tumble Generated Valve System 1 (Valve Open)
P1091Tumble Generated Valve System 1 (Valve Close)
P1092Tumble Generated Valve System 2 (Valve Open)
P1093Tumble Generated Valve System 2 (Valve Close)
P1094Tumble Generated Valve Signal 1 Circuit Malfunction (Open)
P1094Tumble Generated Valve Signal 2 Circuit Malfunction (Open)
P1095Tumble Generated Valve Signal 1 Circuit Malfunction (Short)
P1097Tumble Generated Valve Signal 2 Circuit Malfunction (Short)
P1102Pressure Sources Switching Sol. Valve Circuit Low
P1110Atmospheric Pressure Sensor Circuit Malfunction (Low Input)
P1111Atmospheric Pressure Sensor Circuit Malfunction (High Input)
P1112Atmospheric Pressure Sensor Circuit Range/Performance
P1122Pressure Sources Switching Sol. Valve Circuit High
P1130O2 Sensor Circuit (Open) (Bank 1 Sensor 1)
P1131O2 Sensor Circuit (Short) (Bank 1 Sensor 1)
P1134A/F Sensor Micro-Computer Problem
P1135O2 Sensor Circuit (Open) (Bank 2 Sensor 1)
P1136O2 Sensor Circuit (Short) (Bank 2 Sensor 1)
P1137O2 Sensor Circuit (Lambda=1) (Bank 1 Sensor 1)
P1137O2 Sensor Circuit (Mid) (Bank 1 Sensor 1)
P1139O2 Sensor Heater Circuit Range/Performance (Bank 1 Sensor 1)
P1140O2 Sensor Heater Circuit Range/Performance (Bank 2 Sensor 1)
P1141Mass air flow sensor circuit range/perfomance problem (low input)
P1142Throttle position sensor circuit range/performance problem (low input)
P1143Pressure sensor circuit range/performance (low)
P1144Pressure sensor circuit range/performance (high)
P1146Manifold Pressure Sensor Circuit Range/Performance Problem
P1152O2 Sensor Circuit Range/Performance (Low) Bank 1 Sensor 1
P1153O2 Sensor Circuit Range/Performance (High) Bank 1 Sensor 1
P1154O2 Sensor Circuit Range/Performance (Low) Bank 2 Sensor 1
P1155O2 Sensor Circuit Range/Performance (High) Bank 2 Sensor 1
P1160Return Spring Failure
P1199Differential Pressure Sensor
P1230Fuel Pump Controller
P1235Intake Control Valve Solenoid Circuit Low
P1236Intake Control Valve Solenoid Circuit High
P1237Exhaust Control Valve Solenoid Circuit Low (Positive Pressure)
P1238Exhaust Control Valve Solenoid Circuit High (Positive Pressure)
P1239Exhaust Control Valve Solenoid Circuit Low (Negative Pressure)
P1240Exhaust Control Valve Solenoid Circuit High (Negative Pressure)
P12412 Stage Twin Turbo System (Single)
P12422 Stage Twin Turbo System (Twin)
P1244Turbocharger Wastegate Solenoid A Range/Performance (Low Input)
P1245Turbocharger Wastegate Solenoid A Range/Performance (fail-safe)
P1247Relief Valve Control Solenoid 1 Circuit Low
P1248Relief Valve Control Solenoid 1 Circuit High
P1249Relief Valve Control Solenoid 2 Circuit Low
P1250Relief Valve Control Solenoid 2 Circuit High
P1282PCV System Circuit (Open)
P1301Misfire Detected (High Temperature Exhaust Gas)
P1306OCV Solenoid Valve Signal 1 Circuit Malfunction (Open)
P1307OCV Solenoid Valve Signal 1 Circuit Malfunction (Short)
P1308OCV Solenoid Valve Signal 2 Circuit Malfunction (Open)
P1309OCV Solenoid Valve Signal 2 Circuit Malfunction (Short)
P1312Exhaust Gas Temperature Sensor Malfunction
P1313Misfire Detected Signal Circuit High Input
P1314Misfire Detected Signal Circuit Low Input
P1400Fuel Tank Pressure Control Solenoid Valve Circuit Low
P1420Fuel Tank Pressure Control Solenoid Valve Circuit High
P1442Fuel level sensor performance problem (travel distance)
P1443Vent Control Solenoid Valve Function Problem
P1446Fuel Tank Sensor Control Valve Circuit Low
P1447Fuel Tank Sensor Control Valve Circuit High
P1448Fuel Tank Sensor Control Valve Range/Performance
P1475Exhaust bypass valve solenoid Malfunction Low
P1476Exhaust bypass valve solenoid Malfunction High
P1477Exhaust bypass valve function
P1480Cooling Fan Relay 1 Circuit High
P1491Positive Crankcase Ventilation (Blow-by) Function Problem
P1492EGR Solenoid Valve Signal #1 Circuit Malfunction (Low Input)
P1493EGR Solenoid Valve Signal #1 Circuit Malfunction (High Input)
P1494EGR Solenoid Valve Signal #2 Circuit Malfunction (Low Input)
P1495EGR Solenoid Valve Signal #2 Circuit Malfunction (High Input)
P1496EGR Solenoid Valve Signal #3 Circuit Malfunction (Low Input)
P1496EGR Solenoid Valve Signal #4 Circuit Malfunction (Low Input)
P1497EGR Solenoid Valve Signal #3 Circuit Malfunction (High Input)
P1497EGR Solenoid Valve Signal #4 Circuit Malfunction (High Input)
P1507Idle Control System Malfunction (Fail-safe)
P1510ISC Solenoid Valve Signal #1 Circuit Malfunction (Low Input)
P1511ISC Solenoid Valve Signal #1 Circuit Malfunction (High Input)
P1512ISC Solenoid Valve Signal #2 Circuit Malfunction (Low Input)
P1513ISC Solenoid Valve Signal #2 Circuit Malfunction (High Input)
P1514ISC Solenoid Valve Signal #3 Circuit Malfunction (Low Input)
P1515ISC Solenoid Valve Signal #3 Circuit Malfunction (High Input)
P1516ISC Solenoid Valve Signal #4 Circuit Malfunction (Low Input)
P1517ISC Solenoid Valve Signal #4 Circuit Malfunction (High Input)
P1518Starter switch circuit low input
P1521Brake Switch Circuit Range Performance Problem High Input
P1540Vehicle speed sensor malfunction 2
P1544Exhaust Gas Temperature Too High
P1547Exhaust Gas Temperature Sensor Malfunction
P1559Air Intake System
P1560Back-up Voltage Circuit Malfunction
P1570Antenna
P1571Reference Code Incompatibility
P1572IMM Circuit Failure (Except Antenna Circuit)
P1573Communication Error (Time Over)
P1574Key Communication Failure
P1576EGI Control Module EEPROM
P1577IMM Control Module EEPROM
P1590Neutral Position Switch Circuit High Input for AT
P1591Neutral Position Switch Circuit Low Input for AT
P1592Neutral Position Switch Circuit Malfunction for MT
P1593TCM Communication Circuit Malfunction
P1594AT Diagnosis Input Signal Circuit Malfunction
P1595AT Diagnosis Input Signal Circuit Low Input
P1596AT Diagnosis Input Signal Circuit High Input
P1597TCS Signal Circuit Low Input
P1598TCS Signal Circuit High Input
P1600Improper CAN Communication
P1601Tranmission Ctrl Unit Comms Malfunction
P1698Engine Torque Control Cut Signal Circuit Malfunction (Low Input)
P1699Engine Torque Control Cut Signal Circuit Malfunction (High Input)
P1700Throttle Position Sensor Circuit Malfunction
P1700Throttle Position Sensor Circuit Malfunction for AT
P1701Cruise Control Set Signal Circuit Malfunction for AT
P1703AT Low Clutch Timing Solenoid Valve Circuit Malfunction
P1706AT Vehicle Speed Sensor Circuit Malfunction (rear wheel)
P1707AT AWD Solenoid Valve Circuit Malfunction
P1708Throttle Position Sensor Circuit Low Input
P1709Throttle Position Sensor Circuit High Input
P1710Torque Converter Turbine 2 Speed Signal Circuit Malfunction
P1711Engine Torque Control Signal #1 Circuit Malfunction
P1712Engine Torque Control Signal #2 Circuit Malfunction
P1714Throttle Position Sensor Power Supply Circuit
P1716ATF Temperature Sensor 2 Circuit Low
P1717ATF Temperature Sensor 2 Circuit High
P1718AT CAN Communication Circuit
P1719ECU Communication Circuit
P1760Lateral Acceleration Sensor Performance Problem
P1761Lateral Acceleration Sensor Circuit Low
P1762Lateral Acceleration Sensor Circuit High
P1798Gear 1 Engine Breaks
P1799Interlock
P1817Sports Mode Switch Circuit (Manual Switch)
P1840Transmission Fluid Pressue Sensor Switch A Circuit
P1841Transmission Fluid Pressue Sensor Switch B Circuit
P1842Transmission Fluid Pressue Sensor Switch C Circuit
P1843Transmission Fluid Pressue Sensor Switch D Circuit
P1844Transmission Fluid Pressue Sensor Switch E Circuit
P1870Front Left ABS Sensor Signal
P1871Front Right ABS Sensor Signal
P1872Rear Left ABS Sensor Signal
P1873Rear Right ABS Sensor Signal
P1874Circuit of R-Diff Oil Temp. Switch
P1875Circuit of Centre Differential
P1876Not Suitable Diameter Tyre
P2088OCV Solenoid Valve Signla A Circuit Open Bank 1
P2089OCV Solenoid Valve Signal A Circuit Short Bank 1
P2090OCV Solenoid Valve Signal B Circuit Open Bank 1
P2091OCV Solenoid Valve Signal B Circuit Short Bank 1
P2092OCV Solenoid Valve Signal A Circuit Open Bank 2
P2093OCV Solenoid Valve Signal A Circuit Short Bank 2
P2094OCV Solenoid Valve Signal B Circuit Open Bank 2
P2095OCV Solenoid Valve Signal B Circuit Short Bank 2
P2098Post Catalyst Fuel Trim System Too Lean Bank 2
P2099Post Catalyst Fuel Trim System Too Rich Bank 2
P2100Throttle Control Motor Circuit Open
P2100Throttle Control Motor Circuit Open
P2101Throttle Control Motor Circuit Range/Performance
P2102Throttle Control Motor Circuit Low Input
P2103Throttle Control Motor Circuit High Input
P2109Throttle Angle Sensor Closed Position Error
P2111Throttle Valve Open Stick
P2122Accelerator Position Sensor D Low Input
P2123Accelerator Position Sensor D High Input
P2127Accelerator Position Sensor E Low Input
P2128Accelerator Position Sensor E High Input
P2135Throttle Position Sensor Circuit Range/Performance
P2138Accelerator Position Sensor Circuit Range/Performance
P2707Shift Solenoid F Malfunction
P2709Shift Solenoid F Electrical

Information Source: Codes identified by TARI Racing’s ecuExplorer

See also

Page last modified on January 11, 2007, at 11:11 PM
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