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Upload what you have
Start with the estimate, check-engine code, warning light, photo, video, or symptom. Add the vehicle details that put it in context.
Your mechanic's second opinion
Upload a shop estimate, code, dashboard warning, or symptom. GSB DIAG turns the information into clear repair context—so you can make the next conversation count.
Educational second-opinion guidance only. Not a physical inspection or a definitive vehicle diagnosis.
Vehicle Repair Report
Estimate review
Repair focus
Brake system estimate
Reviewing related labor, parts choices, and questions to clarify before authorizing work.
Report covers
Built to help you ask better questions—not replace a technician's hands-on inspection.
Built for clarity
Real repair questions. Plain-English answers.
Estimate context
Understand what the line items are trying to solve.
Better questions
Know what to ask before giving the go-ahead.
More confidence
Make an informed decision without the scare tactics.
How it works
You bring the vehicle details and evidence. We organize the conversation around what matters before you authorize a repair.
What to include
Year, make, model, engine, mileage, symptoms, DTC codes, photos, video, and the shop estimate.
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Start with the estimate, check-engine code, warning light, photo, video, or symptom. Add the vehicle details that put it in context.
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Your Vehicle Repair Report explains possible causes, repair urgency, diagnostic considerations, and the questions behind the quote.
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Use the report to make a better authorization decision. Ask clear questions, understand tradeoffs, and know what needs a closer look.
Service levels
These service levels are being prepared. No checkout or purchase is available from this page yet.
$9.99
A fast, structured first read on a code, symptom, or estimate.
Coming soon
For major repair quotes
$29.99
Extra context for repair decisions that deserve experienced eyes.
Coming soon
$59–$99
A direct conversation when the repair story needs more unpacking.
Coming soon
Clear scope
GSB DIAG is designed to make repair information easier to understand—not to substitute for a qualified technician.
Before you pay the shop
Start your second-opinion report with the evidence you already have.