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 MANUALSSUBARU2014FORESTER 2.5I, ENG CD FB25BA, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 10 (AUTOMATIC TRANSMISSION CVT - DIAGNOSTICS)
2014 Subaru Forester 2.5i, Eng CD FB25BA, Standard Trans
Section 10 (Automatic Transmission CVT - Diagnostics)
2014 Subaru Forester 2.5i, Eng CD FB25BA, Standard TransSECTION Section 10 (Automatic Transmission CVT - Diagnostics)
WARNING: This page is about a different variant/trim than selected.
- Basic Diagnostic Procedure
- Check List for Interview
- General Description
- Electrical Component Location
- Transmission Control Module (TCM) I/O Signal
- Subaru Select Monitor
- Read Diagnostic Trouble Code (DTC)
- Clear Memory Mode
- Inspection Mode
- Learning Control
- AT OIL TEMP Warning Light Display
- AWD Warning Light Display
- Diagnostic Procedure for Subaru Select Monitor Communication
- List of Diagnostic Trouble Code (DTC)
- Diagnostic Procedure with Diagnostic Trouble Code (DTC)
- DTC P0705: Transmission Range Sensor Circuit (PRNDL Input)
- DTC P0708: At Range Switch Not Inputted
- DTC P0712: Transmission Fluid Temperature Sensor Circuit Low Input
- DTC P0713: Transmission Fluid Temperature Sensor Circuit High Input
- DTC P0716: Torque Converter Turbine Speed
- DTC P0719: Brake Switch Circuit Low
- DTC P0720: Output Speed Sensor Circuit
- DTC P0724: Brake Switch Circuit High
- DTC P0730: Gearshift Control Performance Abnormal
- DTC P0801: Reverse Inhibit Control Circuit
- DTC P0841: Secondary Oil Pressure Sensor Performance
- DTC P0842: Secondary Oil Pressure Sensor Circuit (Low)
- DTC P0843: Secondary Oil Pressure Sensor Circuit (High)
- DTC P0890: At Self-Shut Relay Diagnosis (Low)
- DTC P0951: Manual Switch
- DTC P0962: Secondary Solenoid Circuit (Low)
- DTC P0963: Secondary Solenoid Circuit (High)
- DTC P0965: Forward & Reverse Solenoid Function
- DTC P0966: Forward & Reverse Solenoid Circuit (Low)
- DTC P0967: Forward & Reverse Linear Solenoid Circuit (High)
- DTC P0970: Transfer Solenoid Circuit (Low)
- DTC P0971: Transfer Solenoid Circuit (High)
- DTC P0973: Primary Solenoid System A Circuit (Low)
- DTC P0974: Primary Solenoid System A Circuit (High)
- DTC P0976: Primary Solenoid System B Circuit (Low)
- DTC P0977: Primary Solenoid System B Circuit (High)
- DTC P170A: L-Range SW System
- DTC P1724: At EEPROM Error
- DTC P2746: Primary Pulley Revolution Speed Sensor Circuit
- DTC P2750: Sec. Pulley Revolution Speed Sensor Circuit
- DTC P2762: Lock-Up Duty Solenoid Malfunction
- DTC P2763: Lock-Up Duty Solenoid Circuit (High)
- DTC P2764: Lock-Up Duty Solenoid Circuit (Low)
- DTC P2769: Lock-Up On/Off Solenoid Circuit (Low)
- DTC P2770: Lock-Up On/Off Solenoid Circuit (High)
- DTC U0073: Control Module Communication Bus "A" Off
- DTC U0100: Lost Communication With ECM/Pcm "A"
- DTC U0122: Lost Communication With Vehicle Dynamics Control Module
- DTC U0140: Lost Communication With Body Control Module
- DTC U0155: Lost Communication With Instrument Panel Cluster (IPC) Control Module
- DTC U0401: Invalid Data Received From ECM/Pcm "A"
- DTC U0416: Invalid Data Received From Vehicle Dynamics Control Module
- DTC U0422: Invalid Data Received From Body Control Module
- DTC U0423: Invalid Data Received From Instrument Panel Cluster Control Module
- DTC U1235: LOST COMMUNICATION WITH EyeSight
- DTC U1433: INVALID DATA RECEIVED FROM EyeSight
- Diagnostic Procedure without Diagnostic Trouble Code (DTC)
- Diagnostics with Phenomenon
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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.