Your vehicle
- Find it by year, make and model, or search everything
- Recalls, NHTSA investigations and service bulletins
- Most-reported problem areas from owner complaints to NHTSA (not failure rates)
Car and truck troubleshooting for your Mac
Read the codes. Follow the clues.
SWSO Auto Diagnostic Atlas · Made by Streetwise Software Online (SWSO)
A troubleshooting reference for cars and light trucks from 1970 to 2026. Look up your vehicle's recalls, service bulletins and the problem areas owners report to NHTSA, read what a trouble code means, and follow yes/no guides with safety warnings.
$39.99 one-time · 15-day free trial
849generic trouble codes explained
23yes/no troubleshooting guides
1970–2026model years covered
What you get
Trouble codes
- P0, P2, U, B and C codes written in plain words
- Meaning, common causes, symptoms and what to check first
- A Drive / Drive soon / Stop dial for each code
Guides
- No crank, cranks no start, overheating, misfire, brakes, A/C, leaks and more
- Safety warnings and "See a professional when" points
- OBD-I code reading for older GM, Ford, Chrysler, Toyota, Honda and Nissan
My Garage
- VIN decoder: model year and check digit offline, full decode online
- Your vehicles with mileage, notes and a service log
- Export to CSV and a printable page
Please note: Data from NHTSA and EPA; not endorsed by them. Not a repair manual: no wiring diagrams, torque specs or fluid capacities.
See it in action
Real screenshots of SWSO Auto Diagnostic Atlas 1.0.
Try it free for 15 days
- Every feature works for 15 days from the first launch, no key and no sign-up needed
- After day 15 everything stays readable and exportable, and My Garage is never deleted; changing garage items needs a key
- A license key is checked on your Mac and works offline
System requirements
System
macOS 13 Ventura or later, Intel and Apple silicon (universal)
Free trial
15 days with every feature, no sign-up
App size
About 148 MB (the vehicle database is built in)
Internet
Only for the full VIN decode and opening NHTSA pages; the rest works offline
Help
Searchable built-in Help, start to finish, with photo credits and data sources
Made by
Streetwise Software Online (SWSO)
Price
SWSO Auto Diagnostic Atlas by Streetwise Software Online
One-time purchase, no subscription. Try it free for 15 days first.
$39.99 one-time · 15-day free trial