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
Diagnostic Procedure with Trouble Code: Notes
DIAGNOSTIC TROUBLE CODES (DTC) LIST
| DTC | Description |
|---|---|
| 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 |
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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