Year, make, model, symptoms, and scanner codes — the more you give us, the more precise the AI diagnosis. Takes about 2 minutes.
Enter the VIN and we'll fill everything in for you — or just pick from the lists. No typing needed.
A VIN has exactly 17 characters and never uses the letters I, O, or Q.
Please select the year.
Please select the make.
Please select (or type) the model.
Trouble codes are the single most valuable input. If you have a scanner, plug it in and copy the codes exactly.
Please select the main symptom.
Codes look invalid — use the format P0300, U0100, B1234, C1201 (or leave blank).
Tap to choose a file or drag it here
PDF · photo · text — up to 8 MB
Please describe the problem in at least a sentence or two.
Cold vs. hot and constant vs. intermittent — these patterns point straight at the likely cause.
Please tell us if it's constant or intermittent.
Please pick cold, hot, or both.
Please enter your name.
Please enter a valid email address.