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.
2005 Subaru Forester XT, AutomaticFACTORY OEM SERVICE PROCEDURE
Inspection Mode: Procedure: Notes
Carry out trouble diagnosis shown in DIAGNOSTIC TROUBLE CODES .
When performing trouble diagnosis which is not shown in the DTC table, refer to the next item Drive cycle. < Ref. to , DRIVE CYCLE . >
DIAGNOSTIC TROUBLE CODES
| DTC | Item |
|---|---|
| P0011 | A Camshaft Position-Timing Over-Advanced or System Performance (Bank 1) |
| P0021 | A Camshaft Position-Timing Over-Advanced or System Performance (Bank 2) |
| P0030 | HO2S Heater Control Circuit (Bank 1 Sensor 1) |
| P0031 | HO2S Heater Control Circuit Low (Bank 1 Sensor 1) |
| P0032 | HO2S Heater Control Circuit High (Bank 1 Sensor 1) |
| P0037 | HO2S Heater Control Circuit Low (Bank 1 Sensor 2) |
| P0038 | HO2S Heater Control Circuit High (Bank 1 Sensor 2) |
| P0101 | Mass or Volume Air Flow Circuit Range/Performance |
| P0102 | Mass or Volume Air Flow Circuit Low Input |
| P0103 | Mass or Volume Air Flow Circuit High Input |
| P0107 | Manifold Absolute Pressure/Barometric Pressure Circuit Low Input |
| P0108 | Manifold Absolute Pressure/Barometric Pressure Circuit High Input |
| P0112 | Intake Air Temperature Circuit Low Input |
| P0113 | Intake Air Temperature Circuit High Input |
| P0117 | Engine Coolant Temperature Circuit Low Input |
| P0118 | Engine Coolant Temperature Circuit High Input |
| P0122 | Throttle/Pedal Position Sensor/Switch "A" Circuit Low Input |
| P0123 | Throttle/Pedal Position Sensor/Switch "A" Circuit High Input |
| P0126 | Engine Coolant Temp. Sensor |
| P0131 | O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1) |
| P0132 | O2 Sensor Circuit High Voltage (Bank 1 Sensor 1) |
| P0134 | O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1) |
| P0137 | O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2) |
| P0138 | O2 Sensor Circuit High Voltage (Bank 1 Sensor 2) |
| P0182 | Fuel Temperature Sensor "A" Circuit Low Input |
| P0183 | Fuel Temperature Sensor "A" Circuit High Input |
| P0222 | Throttle/Pedal Position Sensor/Switch "B" Circuit Low Input |
| P0223 | Throttle/Pedal Position Sensor/Switch "B" Circuit High Input |
| P0230 | Fuel Pump Primary Circuit |
| P0245 | Turbo/Super Charger Wastegate Solenoid "A" Low |
| P0327 | Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor) |
| P0328 | Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor) |
| P0335 | Crankshaft Position Sensor "A" Circuit |
| P0336 | Crankshaft Position Sensor "A" Circuit Range/Performance |
| P0340 | Camshaft Position Sensor "A" Circuit (Bank 1 or Single Sensor) |
| P0341 | Camshaft Position Sensor "A" Circuit Range/Performance (Bank 1 or Single Sensor) |
| P0345 | Camshaft Position Sensor "A" Circuit (Bank 2) |
| P0447 | Evaporative Emission Control System Vent Control Circuit Open |
| P0448 | Evaporative Emission Control System Vent Control Circuit Shorted |
| P0452 | Evaporative Emission Control System Pressure Sensor Low Input |
| P0453 | Evaporative Emission Control System Pressure Sensor High Input |
| P0458 | Evaporative Emission Control System Purge Control Valve Circuit Low |
| P0462 | Fuel Level Sensor Circuit Low Input |
| P0463 | Fuel Level Sensor Circuit High Input |
| P0502 | Vehicle Speed Sensor Circuit Low Input |
| P0503 | Vehicle Speed Sensor Intermittent/Erratic/High |
| P0512 | Starter Request Circuit |
| P0513 | Key disagreement or unregistration |
| P0519 | Idle Control System Malfunction (Fail-Safe) |
| P0604 | Internal Control Module Random Access Memory (RAM) Error |
| P0605 | Internal Control Module Read Only Memory (ROM) Error |
| P0607 | Control Module Performance |
| P0638 | Throttle Actuator Control Range/Performance (Bank 1) |
| P0691 | Cooling Fan 1 Control Circuit Low |
| P0851 | Neutral Switch Input Circuit Low |
| P0852 | Neutral Switch Input Circuit High |
| P1152 | O2 Sensor Circuit Range/Performance (Low) (Bank 1 Sensor 1) |
| P1153 | O2 Sensor Circuit Range/Performance (High) (Bank 1 Sensor 1) |
| P1160 | Return Spring Failure |
| P1400 | Fuel Tank Pressure Control Solenoid Valve Circuit Low |
| P1420 | Fuel Tank Pressure Control Sol. Valve Circuit High |
| P1446 | Fuel Tank Sensor Control Valve Circuit Low |
| P1447 | Fuel Tank Sensor Control Valve Circuit High |
| P1491 | Positive Crankcase Ventilation (Blow-by) Function Problem |
| P1518 | Starter Switch Circuit Low Input |
| P1560 | Back-up Voltage Circuit Malfunction |
| P1570 | ANTENNA |
| P1571 | Reference Code Incompatibility |
| P1572 | EGI - Immobilizer Communication (Except Antenna Circuit) |
| P1574 | Key - Immobilizer Communication |
| P1576 | EGI Control Module EEPROM |
| P1577 | IMM Control Module EEPROM |
| P1578 | METER NG |
| P2006 | Tumble Generated Valve System 1 (Valve Close) |
| P2007 | Tumble Generated Valve System 2 (Valve Close) |
| P2008 | Tumble Generated Valve Signal 1 Circuit Malfunction (Open) |
| P2009 | Tumble Generated Valve Signal 1 Circuit Malfunction (Short) |
| P2011 | Tumble Generated Valve Signal 2 Circuit Malfunction (Open) |
| P2012 | Tumble Generated Valve Signal 2 Circuit Malfunction (Short) |
| P2016 | Tumble Generated Valve Position Sensor 1 Circuit Low |
| P2017 | Tumble Generated Valve Position Sensor 1 Circuit High |
| P2021 | Tumble Generated Valve Position Sensor 2 Circuit Low |
| P2022 | Tumble Generated Valve Position Sensor 2 Circuit High |
| P2088 | OCV Solenoid Valve Signal A Circuit Open (Bank 1) |
| P2089 | OCV Solenoid Valve Signal A Circuit Short (Bank 1) |
| P2092 | OCV Solenoid Valve Signal A Circuit Open (Bank 2) |
| P2093 | OCV Solenoid Valve Signal A Circuit Short (Bank 2) |
| P2101 | Throttle Actuator Control Motor Circuit Range/Performance |
| P2102 | Throttle Actuator Control Motor Circuit Low |
| P2103 | Throttle Actuator Control Motor Circuit High |
| P2109 | Throttle/Pedal Position Sensor A Minimum Stop Performance |
| P2122 | Throttle/Pedal Position Sensor/Switch "D" Circuit Low Input |
| P2123 | Throttle/Pedal Position Sensor/Switch "D" Circuit High Input |
| P2127 | Throttle/Pedal Position Sensor/Switch "E" Circuit Low Input |
| P2128 | Throttle/Pedal Position Sensor/Switch "E" Circuit High Input |
| P2135 | Throttle/Pedal Position Sensor/Switch "A" / "B" Voltage Rationality |
| P2138 | Throttle/Pedal Position Sensor/Switch "D" / "E" Voltage Rationality |
| P2227 | Atmospheric Pressure Sensor Circuit Range/Performance |
| P2228 | Atmospheric Pressure sensor circuit malfunction (Low input) |
| P2229 | Atmospheric Pressure sensor circuit malfunction (High input) |
Factory Service Tools
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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.
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