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.
2001 Subaru Outback Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Automatic Trans: Diagnostics
- Basic Diagnostic Procedure
- Check List for Interview
- General Description
- Electrical Components Location
- Transmission Control Module (TCM) I/O Signal
- Data Link Connector
- Subaru Select Monitor
- Reading Diagnostic Trouble Code
- Inspection Mode
- Clear Memory Mode
- ATF Temperature Warning Light Display
- List of Diagnostic Trouble Codes
- Diagnostic Procedure for AT Oil Temp Warning Light
- Diagnostic Procedure with Trouble Code
- Notes
- Communication For Initializing Impossible
- Code 11: Engine Speed Signal
- Code 27: ATF Temperature Sensor
- Code 31: Throttle Position Sensor
- Code 33: Front Vehicle Speed Sensor
- Code 36: Torque Converter Turbine Speed Sensor
- Code 38: Torque Control Signal
- Code 45: Intake Manifold Pressure Signal
- Code 71: Shift Solenoid 1
- Code 72: Shift Solenoid 2
- Code 73: Low Clutch Timing Solenoid
- Code 74: 2-4 Brake Timing Solenoid
- Code 75: Line Pressure Duty Solenoid
- Code 76: 2-4 Brake Duty Solenoid
- Code 77: Lock-Up Duty Solenoid
- Code 79: Transfer Duty Solenoid
- Code 86: VDC Communication Signal
- Code 93: Rear Vehicle Speed Sensor
- Diagnostic Procedure for No - trouble Code
- Symptom Related Diagnostic
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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