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.
OSC - Bench Mode
The BENCH MODE is functional only when the vehicle range selector is in PARK or NEUTRAL. The BENCH MODE may be used when the engine is either ON (running) or OFF (not running). The BENCH MODE allows the technician to function the following components:
- SSA - Directs PCM to command Shift Solenoid 1 OFF or ON
- SSB - Directs PCM to command Shift Solenoid 2 OFF or ON
- TCC - Directs PCM to command the Torque Converter Solenoid OFF or ON (OFF = 0% duty cycle and ON = 100% duty cycle)
- LINEDSD - Directs PCM to command line pressure to either 345, 517, 689, 862, 1,034, 1,207, 1,379 kPa (50, 75, 100, 125, 150, 175, 200 psi). The PCM will command the appropriate EPC current to obtain the commanded line pressure.
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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.