A code is a starting point
A fault code identifies a condition the control system noticed. It may describe a low signal, a missing message or a reading outside the expected range. That narrows the search, while the next step is to identify why the condition occurred.
Where VIDA helps
On supported models, VIDA can help a technician see information from several systems and inspect relevant live values. It can also provide vehicle-specific service information. Access and functions depend on the model year, interface and software entitlement.
What to record before a visit
Write down the exact message, whether the car was cold or warm, and what you were doing when it appeared. If you already have a code read, save the report and share it alongside the symptoms.