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.
Output State Control (OSC) Mode: Description
Output state control allows an off-board diagnostic scan tool direct control of specific transaxle components or functions. Output state control allows the technician to control the main functions or components of the transaxle to help the technician more quickly and easily diagnose the transaxle. For example, output state control may be used to change gears or remain in a specific gear. Output state control may be used to control the operation of the Torque Converter Clutch (TCC) to engage or disengage, or to keep the converter clutch from engaging at all. Output state control may also be used to help carry out solenoid electrical pinpoint tests by turning a solenoid off or on by controlling the actual current to the Variable Force Solenoid (VFS) solenoid.
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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.