System Active · v1.8

AutoIntel Pro

Professional Vehicle Diagnostic Tool

Professional Vehicle Diagnostic Research
Free · No account required · Instant results
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Enter Vehicle Info
Year, make, model, engine, and mileage. More detail means better diagnosis. Add fault codes if you have them.
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Describe the Problem
Tell us what the vehicle is doing, when it happens, and how it started. The tool may ask follow-up questions to sharpen the diagnosis.
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Get Your Report
Technical briefing, diagnostic flowchart, parts priority list, and probable fixes — the same research a shop charges for.
Cross-references TSB databases and pattern failure records for your exact vehicle. After your results appear, a quick 👍 / 👎 rating helps us improve the tool for everyone.
⬡ Vehicle Configuration Matrix
dash lights · engine bay · sensor · error screen
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A few quick questions
TO IMPROVE DIAGNOSTIC ACCURACY
Cross-referencing TSB database...
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CONNECTING TO RESEARCH ENGINE
QUERYING LIVE TSB ARCHIVES
ANALYZING FAULT PATTERN MATRIX
GENERATING DIAGNOSTIC FLOWCHART
COMPILING TARGETED SOLUTIONS
⚠ CONNECTION FAULT DETECTED

⬡ Supplemental Analysis

Input additional findings, test results, or updated symptoms for a targeted second-pass analysis.

⬡ About This Tool
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Built by Ian Littlefield
Independent Developer · Automotive Enthusiast
"AutoIntel Pro cross-references your exact vehicle configuration against TSB records, pattern failures, and factory service data — giving you the same depth of research a professional technician would run."

Professional Vehicle Diagnostic Research

AutoIntel Pro is a free diagnostic research tool built for technicians, enthusiasts, and anyone trying to get to the bottom of a vehicle problem. Enter your vehicle year, make, model, engine, and fault codes and get back a detailed technical briefing based on real TSB data, known pattern failures, and platform-specific service history.

TSB Cross-Reference

Every diagnosis is cross-referenced against Technical Service Bulletins and manufacturer pattern failure records for your specific vehicle configuration and platform.

Diagnostic Flowcharts

Get a step-by-step visual diagnostic flowchart tailored to your fault codes and symptoms — from initial test to verified repair confirmation.

Component Priority List

Receive a ranked list of components to inspect and test, ordered by diagnostic priority based on your specific vehicle platform and reported symptoms.

No-Scanner Code Retrieval

For supported vehicles, get step-by-step instructions to retrieve DTCs without an OBD2 scanner — including Chrysler key dance, GM ALDL, and Ford self-test procedures.

Supports all makes including Ford, Chevrolet, Dodge, Toyota, Honda, Jeep, Nissan, Subaru, BMW, and more. Works with OBD1 and OBD2 vehicles from 1980 to present. Free to use, no account required.

© AutoIntel Pro · Diagnostic data is for research reference only · Built by Ian Littlefield · Privacy · Terms
POINT CAMERA AT VIN BARCODE ON DRIVER'S DOOR JAMB