Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSUBARU2007OUTBACK LIMITED, 4D WAGON, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMDIAGNOSTIC TROUBLE CODE (DTC) DETECTING CRITERIA (H4SO)
2007 Subaru Outback Limited, 4D Wagon, Automatic
Diagnostic Trouble Code (DTC) Detecting Criteria (H4SO)
2007 Subaru Outback Limited, 4D Wagon, AutomaticSECTION Diagnostic Trouble Code (DTC) Detecting Criteria (H4SO)
- List of Diagnostic Trouble Code (DTC)
- Diagnostic Trouble Code (DTC) Detecting Criteria
- DTC P0026 Intake Valve Control Solenoid Circuit Range/Performance (Bank 1)
- DTC P0028 Intake Valve Control Solenoid Circuit Range/Performance (Bank 2)
- DTC P0030 Ho2S Heater Control Circuit (Bank 1 Sensor 1)
- DTC P0031 Ho2S Heater Control Circuit Low (Bank 1 Sensor 1)
- DTC P0032 Ho2S Heater Control Circuit High (Bank 1 Sensor 1)
- DTC P0037 Ho2S Heater Control Circuit Low (Bank 1 Sensor 2)
- DTC P0038 Ho2S Heater Control Circuit High (Bank 1 Sensor 2)
- DTC P0068 Map/MAF - Throttle Position Correlation
- DTC P0076 Intake Valve Control Solenoid Circuit Low (Bank 1)
- DTC P0077 Intake Valve Control Solenoid Circuit High (Bank 1)
- DTC P0082 Intake Valve Control Solenoid Circuit Low (Bank 2)
- DTC P0083 Intake Valve Control Solenoid Circuit High (Bank 2)
- DTC P0101 Mass Or Volume Air Flow Circuit Range/Performance
- DTC P0102 Mass Or Volume Air Flow Circuit Low Input
- DTC P0103 Mass Or Volume Air Flow Circuit High Input
- DTC P0107 Manifold Absolute Pressure/Barometric Pressure Circuit Low Input
- DTC P0108 Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- DTC P0111 Intake Air Temperature Sensor 1 Circuit Range/Performance
- DTC P0112 Intake Air Temperature Sensor 1 Circuit Low
- DTC P0113 Intake Air Temperature Sensor 1 Circuit High
- DTC P0117 Engine Coolant Temperature Circuit Low
- DTC P0118 Engine Coolant Temperature Circuit High
- DTC P0122 Throttle/Pedal Position Sensor/Switch "A" Circuit Low
- DTC P0123 Throttle/Pedal Position Sensor/Switch "A" Circuit High
- DTC P0125 Insufficient Coolant Temperature For Closed Loop Fuel Control
- DTC P0126 Insufficient Engine Coolant Temperature For Stable Operation
- DTC P0128 Coolant Thermostat (Engine Coolant Temperature Below Thermostat Regulating Temperature)
- DTC P0131 O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1)
- DTC P0132 O2 Sensor Circuit High Voltage (Bank 1 Sensor 1)
- DTC P0133 O2 Sensor Circuit Slow Response (Bank 1 Sensor 1)
- DTC P0134 O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1)
- DTC P0137 O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2)
- DTC P0138 O2 Sensor Circuit High Voltage (Bank 1 Sensor 2)
- DTC P0139 O2 Sensor Circuit Slow Response (Bank 1 Sensor 2)
- DTC P0140 O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2)
- DTC P0171 System Too Lean (Bank 1)
- DTC P0172 System Too Rich (Bank 1)
- DTC P0181 Fuel Temperature Sensor "A" Circuit Range/Performance
- DTC P0182 Fuel Temperature Sensor "A" Circuit Low Input
- DTC P0183 Fuel Temperature Sensor "A" Circuit High Input
- DTC P0196 Engine Oil Temperature Sensor Circuit Range/Performance
- DTC P0197 Engine Oil Temperature Sensor Low
- DTC P0198 Engine Oil Temperature Sensor High
- DTC P0222 Throttle/Pedal Position Sensor/Switch "B" Circuit Low
- DTC P0223 Throttle/Pedal Position Sensor/Switch "B" Circuit High
- DTC P0301 Cylinder 1 Misfire Detected
- DTC P0302 Cylinder 2 Misfire Detected
- DTC P0303 Cylinder 3 Misfire Detected
- DTC P0304 Cylinder 4 Misfire Detected
- DTC P0327 Knock Sensor 1 Circuit Low (Bank 1 Or Single Sensor)
- DTC P0328 Knock Sensor 1 Circuit High (Bank 1 Or Single Sensor)
- DTC P0335 Crankshaft Position Sensor "A" Circuit
- DTC P0336 Crankshaft Position Sensor "A" Circuit Range/Performance
- DTC P0340 Camshaft Position Sensor "A" Circuit (Bank 1 Or Single Sensor)
- DTC P0341 Camshaft Position Sensor "A" Circuit Range/Performance (Bank 1 Or Single Sensor)
- DTC P0400 Exhaust Gas RECIRCULATION Flow
- DTC P0420 Catalyst System Efficiency Below Threshold (Bank 1)
- DTC P0442 Evaporative Emission Control System Leak Detected (Small Leak)
- Outline Of Diagnosis
- Component Description
- Enable Condition
- General Driving Cycle
- Diagnostic Method
- Purge control solenoid valve stuck open fault diagnosis
- Purpose of Mode Z
- Diagnostic method
- Normality Judgment
- Judgment Value
- Normal
- Abnormality Judgment
- Purge control solenoid valve Open Fixation
- Leak Diagnosis
- When Mode D is ended
- Mode A: (0 point compensation)
- Mode B: (Negative pressure introduced)
- Mode C: (Negative pressure maintained)
- Mode D: (Calculate the amount of negative pressure change)
- Mode E: (Evaporation occurrence amount calculation)
- Map 7 Malfunction criteria limit for evaporation diagnosis
- Map 8 Malfunction criteria limit for evaporation diagnosis
- DTC Clear Condition
- Malfunction Indicator Light Clear Conditions
- Fail Safe
- ECM Operation At DTC Setting
- DTC P0447 Evaporative Emission Control System Vent Control Circuit Open
- DTC P0448 Evaporative Emission Control System Vent Control Circuit Shorted
- DTC P0451 Evaporative Emission Control System Pressure Sensor
- DTC P0452 Evaporative Emission Control System Pressure Sensor Low Input
- DTC P0453 Evaporative Emission Control System Pressure Sensor High Input
- DTC P0456 Evaporative Emission Control System Leak Detected (Very Small Leak)
- DTC P0457 Evaporative Emission Control System Leak Detected (Fuel Cap Loose/Off)
- DTC P0458 Evaporative Emission System Purge Control Valve Circuit Low
- DTC P0459 Evaporative Emission System Purge Control Valve Circuit High
- DTC P0461 Fuel Level Sensor "A" Circuit Range/Performance
- DTC P0462 Fuel Level Sensor "A" Circuit Low
- DTC P0463 Fuel Level Sensor "A" Circuit High
- DTC P0464 Fuel Level Sensor Circuit Intermittent
- DTC P0483 Fan Rationality Check
- DTC P0500 Vehicle Speed Sensor "A"
- DTC P0506 Idle Air Control System Rpm Lower Than Expected
- DTC P0507 Idle Air Control System Rpm Higher Than Expected
- DTC P0512 Starter Request Circuit
- DTC P0513 Incorrect Immobilizer Key
- DTC P0519 Idle Air Control System Performance
- DTC P0600 Serial Communication Link
- DTC P0604 Internal Control Module Random Access Memory (Ram) Error
- DTC P0605 Internal Control Module Read Only Memory (ROM) Error
- DTC P0607 Control Module Performance
- DTC P0638 Throttle Actuator Control Range/Performance (Bank 1)
- DTC P0691 Fan 1 Control Circuit Low
- DTC P0692 Fan 1 Control Circuit High
- DTC P0700 Transmission Control System (Mil Request)
- DTC P0851 Park/Neutral Switch Input Circuit Low (At Model)
- DTC P0851 Neutral Switch Input Circuit Low (Mt Model)
- DTC P0852 Park/Neutral Switch Input Circuit High (At Model)
- DTC P0852 Neutral Switch Input Circuit High (Mt Model)
- DTC P1152 O2 Sensor Circuit Range/Performance (Low) (Bank 1 Sensor 1)
- DTC P1153 O2 Sensor Circuit Range/Performance (High) (Bank 1 Sensor 1)
- DTC P1160 Return Spring Failure
- DTC P1400 Fuel Tank Pressure Control Solenoid Valve Circuit Low
- DTC P1420 Fuel Tank Pressure Control Sol. Valve Circuit High
- DTC P1443 Vent Control Solenoid Valve Function Problem
- DTC P1491 Positive Crankcase Ventilation (Blow-By) Function Problem
- DTC P1492 EGR Solenoid Valve Signal #1 Circuit Malfunction (Low Input)
- DTC P1493 EGR Solenoid Valve Signal #1 Circuit Malfunction (High Input)
- DTC P1494 EGR Solenoid Valve Signal #2 Circuit Malfunction (Low Input)
- DTC P1495 EGR Solenoid Valve Signal #2 Circuit Malfunction (High Input)
- DTC P1496 EGR Solenoid Valve Signal #3 Circuit Malfunction (Low Input)
- DTC P1497 EGR Solenoid Valve Signal #3 Circuit Malfunction (High Input)
- DTC P1498 EGR Solenoid Valve Signal #4 Circuit Malfunction (Low Input)
- DTC P1499 EGR Solenoid Valve Signal #4 Circuit Malfunction (High Input)
- DTC P1518 Starter Switch Circuit Low Input
- DTC P1560 Back-Up Voltage Circuit Malfunction
- DTC P1570 Antenna
- DTC P1571 Reference Code Incompatibility
- DTC P1572 IMM Circuit Failure (Except Antenna Circuit)
- DTC P1574 Key Communication Failure
- DTC P1576 EGI Control Module EEPROM
- DTC P1577 IMM Control Module EEPROM
- DTC P1578 Meter Failure
- DTC P1602 Control Module Programming Error
- DTC P2096 Post Catalyst Fuel Trim System Too Lean Bank 1
- DTC P2097 Post Catalyst Fuel Trim System Too Rich Bank 1
- DTC P2101 Throttle Actuator Control Motor Circuit Range/Performance
- DTC P2102 Throttle Actuator Control Motor Circuit Low
- DTC P2103 Throttle Actuator Control Motor Circuit High
- DTC P2109 Throttle/Pedal Position Sensor "A" Minimum Stop Performance
- DTC P2122 Throttle/Pedal Position Sensor/Switch "D" Circuit Low Input
- DTC P2123 Throttle/Pedal Position Sensor/Switch "D" Circuit High Input
- DTC P2127 Throttle/Pedal Position Sensor/Switch "E" Circuit Low Input
- DTC P2128 Throttle/Pedal Position Sensor/Switch "E" Circuit High Input
- DTC P2135 Throttle/Pedal Position Sensor/Switch "A"/"B" Voltage Correlation
- DTC P2138 Throttle/Pedal Position Sensor/Switch "D"/"E" Voltage Correlation
- DTC P2227 Barometric Pressure Circuit Range/Performance
- DTC P2228 Barometric Pressure Circuit Low
- DTC P2229 Barometric Pressure Circuit High
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.