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.
2022 Subaru Forester BaseFACTORY OEM SERVICE PROCEDURE
Engine Control System (Diagnostics) (3 Of 4)
- Diagnostic Procedure with Diagnostic Trouble Code (DTC)
- DTC P0700: Transmission Control System (Mil Request)
- DTC P081A: Starter Disable Circuit Low
- DTC P0851: Park/Neutral Switch Input Circuit Low
- DTC P0852: Park/Neutral Switch Input Circuit High
- DTC P0A3B: Generator/Alternator Over Temperature
- DTC P100A: AVCS System Stuck
- DTC P1160: Throttle Return Spring
- DTC P1192: Fuel Rail Pressure Sensor "B" Circuit Low
- DTC P1193: Fuel Rail Pressure Sensor "B" Circuit High
- DTC P1235: High Pressure Fuel Pump Circuit
- DTC P1261: Cylinder 1 Direct Fuel Injector Circuit/Open
- DTC P1262: Cylinder 2 Direct Fuel Injector Circuit/Open
- DTC P1263: Cylinder 3 Direct Fuel Injector Circuit/Open
- DTC P1264: Cylinder 4 Direct Fuel Injector Circuit/Open
- DTC P1449: EVAP System Clog Detected (Air Filter)
- DTC P1451: EVAP System Clog Detected (Pipe)
- DTC P1492: Coil 1 EGR "A" Control Circuit Low
- DTC P1493: Coil 1 EGR "A" Control Circuit High
- DTC P1494: Coil 2 EGR "A" Control Circuit Low
- DTC P1495: Coil 2 EGR "A" Control Circuit High
- DTC P1496: Coil 3 EGR "A" Control Circuit Low
- DTC P1497: Coil 3 EGR "A" Control Circuit High
- DTC P1498: Coil 4 EGR "A" Control Circuit Low
- DTC P1499: Coil 4 EGR "A" Control Circuit High
- DTC P1603: Engine Stall History
- DTC P1604: STARTABILITY Malfunction
- DTC P162A: Starter Interlock Internal Circuit
- DTC P1C00: Battery Monitor Module "A" Performance
- DTC P2004: TGV Control Stuck Open Bank 1
- DTC P2005: TGV Control Stuck Open Bank 2
- DTC P2006: TGV Control Stuck Closed Bank 1
- DTC P2007: TGV Control Stuck Closed Bank 2
- DTC P2008: TGV Control Circuit/Open Bank 1
- DTC P2009: TGV Control Circuit Low Bank 1
- DTC P2011: TGV Control Circuit/Open Bank 2
- DTC P2012: TGV Control Circuit Low Bank 2
- DTC P2016: TGV Position Sensor/Switch Circuit Low Bank 1
- DTC P2017: TGV Position Sensor/Switch Circuit High Bank 1
- DTC P2021: TGV Position Sensor/Switch Circuit Low Bank 2
- DTC P2022: TGV Position Sensor/Switch Circuit High Bank 2
- DTC P2096: Post Catalyst Fuel Trim System Too Lean Bank 1
- DTC P2097: Post Catalyst Fuel Trim System Too Rich Bank 1
Factory Service Tools
Use the Manual With the Right Hardware
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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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