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 CARSECTION 2 (AUTOMATIC TRANSMISSION - MECHANISM & FUNCTION (4AT))TRANSMISSION CONTROL MODULE (TCM)CAN COMMUNICATION SIGNALS CONTROLMAIN SIGNALS SENT AND RECEIVED FOR TRANSMISSION CONTROL
2014 Subaru Forester 2.5i, Eng CD FB25BA, Standard Trans
Main signals sent and received for transmission control
2014 Subaru Forester 2.5i, Eng CD FB25BA, Standard TransSECTION Main signals sent and received for transmission control
WARNING: This page is about a different car, the 2013 Subaru Forester, 2012 Subaru Forester, 2011 Subaru Forester, and 2010 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
| TCM | ECM | ABSCM&H/U | Body integrated unit | Combination meter | |
|---|---|---|---|---|---|
| Sports mode switch-cum-manual mode switch signal | IN | OUT | |||
| Upshift signal (manual mode) | IN | OUT | |||
| Downshift signal (manual mode) | IN | OUT | |||
| Brake switch signal | IN | OUT | |||
| ABS signal | IN | OUT | |||
| ENG AT cooperation signal | IN | OUT | |||
| OUT | IN | ||||
| Range position signal | OUT | IN | IN/OUT | IN | |
| AT warning light signal (SPORT indicator light) | OUT | IN/OUT | IN | ||
| Sports shift warning buzzer signal | OUT | IN/OUT | IN | ||
| AWD warning light signal Also used as FWD indicator light signal |
OUT | IN/OUT | IN | ||
| IN: received | |||||
| OUT: sent | |||||
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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.