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Learn · seven mini-lessons
Explore · eight scan-data evidence channels
Open each channel and ask what it can prove—and what it cannot prove by itself.
Command vs. response mindset
| Question | Typical evidence |
|---|---|
| What did the controller request? | Commanded gear, TCC command, pressure/solenoid command, shift state. |
| What did the transmission actually do? | Input/output speed, calculated ratio, turbine speed, acceleration and shift timing. |
| Was the operating condition valid? | Fluid temperature, throttle/load, brake input, range status, engine torque/request and vehicle speed. |
| Can the result be reproduced? | Recorded graph/snapshot with the same conditions and a post-repair verification run. |
Virtual lab · correlate command and response
Select a fictional preset or adjust the snapshot. The model uses a simplified stepped automatic. Enter the expected ratio from the correct service information; the module only performs arithmetic and relationship checks.
Scan-tool diagnostic sequence
Complete the sequence in order. This is a reasoning workflow; OEM procedures may add mandatory steps.
Start by confirming the complaint and exact vehicle/transmission identity.
Apply · four scan-data cases
Evidence
Best next action
Knowledge check · 10 questions
This checks scan-tool reasoning, not hands-on competency or authorization to perform a vehicle-specific test.
Instructor skills · transmission scan-data practical
Instructor-observed activity. Use an approved training vehicle/simulator and exact service information. Follow shop safety rules for lift use, road testing, dyno operation and bidirectional controls.
Preserved Autonatomy resources
Powertrain Live-Data Simulator — preserved supplemental practice4L60-E · ProDemand service-information research task — preserved worksheetThese resources support scan-data and service-information habits. The powertrain simulator is broader than transmission diagnosis, and the 4L60-E worksheet remains a unit-specific research example rather than a universal procedure.