Start with the question.
Need help understanding a vehicle problem, reviewing its condition, or improving an ATD training guide? Start with what you are seeing and what you need to decide.
Tell us what you're dealing with.
For ATD inquiries, errors, corrections and suggestions, email [email protected].
This is our owner-approved temporary contact. Service availability is confirmed individually.
Inquiry template
Help make the training better.
If you find a technical error, questionable safety instruction, unclear photograph, missing wiring configuration, or better explanation, document it. Useful corrections are reviewed before publication in a new revision.
Download feedback template ↓Include four things
Manual revision; exact page / diagram; proposed correction; supporting reference or reproducible test. Avoid exposing customer identities or private vehicle data in a public submission.
Publication review is not automatic acceptance or certification of a reader's proposed wiring change.