THE ALLDATA ADVANTAGE
ALLDATA is the industry’s #1 choice for unedited mechanical and collision OEM repair information, diagnostic tools, shop management software, and support services, trusted by more than 400,000 technicians in over 115,000 shops worldwide.
Up-to-date OEM mechanical/collision repair information and procedures for 44,000 engine-specific vehicles, 95% of all vehicles on the road today.
Our new diagnostic scan tool has ALLDATA built in and unlimited pre/post scans. Try the Tech-Assist hotline for expert trouble-shooting.
Shops of all sizes can streamline day-to-day workflow processes and improve business efficiency with our three shop management solutions.
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ALLDATA proudly partners with other leaders in the automotive industry. These affiliations help ensure that the OEM information found in ALLDATA products is used in major organizations nationwide for vehicle repair and maintenance.
ALLDATA NEWS
ALLDATA News

Some Silverado Drivers Fear the Rain
TRENDING TSB
2023–2025 Silverado and Sierra customers have reported their sunroofs tilting open unexpectedly, often during startup, when turning on the lights, or returning to the vehicle. The issue stems from the overhead console’s microprocessor and affects all trims equipped with a factory sunroof.
Tech Tips
Incorrect EISM Install Causes Dodge Ram Evaporative Issues
Vehicle: 2007 Dodge Ram 1500, 2WD, V8-4.7L, VIN N, Automatic Transmission/Transaxle
Mileage: 149,093 miles
Problem: A Dodge Ram owner brought his truck to the shop because the malfunction indicator light (MIL) was on. He had already taken it to another shop, which found evaporative system diagnostic trouble code P0441 -- Evaporative Emission Control System Incorrect Purge Flow. They replaced the Evaporative System Integrity Monitor (ESIM) with a factory part, but the MIL came back on almost immediately.