Automotive Diagnostic Intake

Tell us what your vehicle is doing.
We'll run the diagnostic.

Year, make, model, symptoms, and scanner codes — the more you give us, the more precise the AI diagnosis. Takes about 2 minutes.

Vehicle information

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.

Transmission
Fuel type Changes the whole diagnostic path — pick one if you know it.

Problem & scanner codes

Trouble codes are the single most valuable input. If you have a scanner, plug it in and copy the codes exactly.

Main symptom * Pick the one that best describes it.

Please select the main symptom.

💡 Recommended: run a FULL-SYSTEM scan (all modules), not just the engine. Many faults live in the ABS, BCM, TCM, or SRS — and network problems only show up when every module is polled. If your scanner has "Auto scan" or "Scan all systems", use it and upload the full report below.

Codes look invalid — use the format P0300, U0100, B1234, C1201 (or leave blank).

Tap to choose files or drag them here

PDF · photos · text — up to 4 files (full-system scans often export one screenshot per module — attach them all)

Tap to add photos or drag them here

JPG · PNG — up to 3 photos, 2 MB each

Communication / network problem? If the scan shows "No communication" with any module, or you have U-codes, check every module that is not responding. Skip this if all modules respond.

Common modules — all vehicles

Vehicle-specific modules

Please describe the problem in at least a sentence or two.

Any known or suspected wiring / connector issues? Select all that apply — chafed harnesses and corroded connectors cause many intermittent problems.

When it happens & your contact

Cold vs. hot and constant vs. intermittent — these patterns point straight at the likely cause.

Is the problem present all the time? *

Please tell us if it's constant or intermittent.

Engine cold or hot when it happens? *

Please pick cold, hot, or both.

When does it happen? Select all that apply.
Recent work or events Select all that apply.

Please enter your name.

Please enter a valid email address.

🔎 Already have a ticket number? Find your saved diagnosis →

Enter the ticket number from your diagnosis and the email you used. You'll get your full report back, plus any follow-up questions you haven't used.

FREE

First, check these — no charge

Full expert diagnosis — from $5.99

Runs on Claude Opus — our deepest-reasoning AI, which works the problem through before answering. Ranked causes with confidence levels, what not to replace, exact test procedures with specs, live recall & TSB check on the web, repair estimate, and a probability-ranked bottom line ("70% odds it's the purge valve — start there") — plus a follow-up dialog with the AI as you work.

Standard — $5.99 Full diagnosis + 3 follow-up questions.
Everyday faults.
Pro — $14.99 Deeper reasoning + live recall & TSB search + 13 questions.
Most electrical & network jobs.
⭐ Master Tech — $29.99 Our deepest-reasoning AI — works the problem through before answering. Live search + 25 questions.
For the intermittent nightmare you've already lost hours to.

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