Car and truck diagnostic manual

ALLDATAdiy is much more than an online repair manual. You’ll use the detailed repair information, step-by-step procedures, illustrations, and color wiring diagrams to tackle everything from standard maintenance to routine repairs. Plus get the latest diagnostic trouble codes, technical service bulletins, and recall information – straight from the manufacturer.

Our service interval tables & maintenance charts help you stay on top of your vehicle’s maintenance.

Use ALLDATAdiy to access Technical Service Bulletins, Recalls, Diagnostic Trouble Codes (DTCs), Diagnostic Flow Charts, and more.

Repair with ease using our unedited information straight from the manufacturer. We also offer service & repair procedures, and helpful diagrams.

FOR EVERY SKILL LEVEL

You take great satisfaction in working on vehicles, getting the job done right, and saving money on repairs.

You take great satisfaction in working on vehicles, getting the job done right, and saving money on repairs.

ALLDATAdiy helps you save money on routine maintenance and vehicle repairs, while providing the very latest diagnostic trouble codes, technical service bulletins, and recall information.

ALLDATAdiy helps you save money on routine maintenance and vehicle repairs, while providing the very latest diagnostic trouble codes, technical service bulletins, and recall information.

With ALLDATAdiy, students learn to repair vehicles correctly and with the same online tools that professional technicians use.

With ALLDATAdiy, students learn to repair vehicles correctly and with the same online tools that professional technicians use.

Choose a single subscription for one-month, one-year or Three-year plan. Need access to additional vehicles? No problem - you can add more before you checkout.

Select the vehicle you're looking to repair

Explore our subscription plans to find the one that best suits your needs

Sign up and start your subscription!

Depending on your needs, we offer several plans from the 1-month plan for your immediate repair needs to a full 3-year plan to help you maintain your vehicle for years to come. Click on Select your vehicle to get started.

ALLDATAdiy gives you online access to the same auto repair information the pros use to troubleshoot, maintain, and repair vehicles, with step-by-step repair procedures straight from the manufacturer. Plus the latest technical service bulletins that may affect the health and safety of your family.

I appreciate the information is the same as the factory service manual information. Access to the Technical Service Bulletins and full Recall procedures is helpful as well. Making things even better, the search function works reasonably well, which is a feature most factory service manuals do not contain.

ALLDATA DIY saved my butt multiple times. Better than any off-the-shelf repair book. Comprehensive information that allows you to fully understand the system and the problems. Specific information relevant to your year make and model. I will always keep an up-to-date subscription on any vehicle I own.

ALLDATA is a great source for factory unbiased detail that you don’t get on YouTube or other blogs. The level of detail and nomenclature requires above an entry level of automotive knowledge, especially electrical diagrams.

To troubleshoot, repair and maintain your vehicle, you'll need diagnostic and repair information that is specific to your car or truck. For this I personally use and recommend ALLDATAdiy. With full manuals for over 30,000 vehicles online, you will find an exact match for your vehicle's year, make and model.

Besides being cheaper than a factory manual, they also offer step by step repair instructions and detailed diagrams beyond what is found in most printed manuals.

I REALLY like what you've done with the new ALLDATAdiy! The improvements are amazing. Keep it up!

ALLDATA, an AutoZone company, is the leading provider of unedited OEM information for the automotive repair and collision industries. In 1996, ALLDATA was purchased by AutoZone with the vision of providing the best combination of service and repair information and parts. AutoZone is the nation's leading retailer of automotive parts and accessories with more than 6,000 stores in the US, Puerto Rico and Mexico.