CarDiag : Your Car Diagnostic

283 reviews
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About this app

Diagnose your car, find breakdowns and turn off the check engine light !

Cardiag : Your Easy Car Diagnostic.

Thanks to its connected device and its free and intuitive mobile application, CarDiag allows motorists to diagnose their vehicle easily, independently and at a lower cost (breakdowns, wear of components and pollution).

The "CarDiag" application supports motorists from "A" to "Z" in the diagnostic, maintenance and repair of their vehicle independently and cheaply : since the doubt of a problem, the identification of the fault, a diagnostic in simple and easy-to-understand terms and a pollution score, Do-it-yourself auto repairs, tips to buy parts as well as a cost estimation at the nearest mechanic. It also provide a digital maintenance book.

Features :
- Automatic Diagnostic : Equipped with an OBD2 bluetooth device (easy to get and available for less than 10$), CarDiag provides a complete list of your car problems in simple and easy-to-understand terms.
- Manual Diagnostic : Cardiag provides assistance for a direct diagnostic by the user (visual defects, noise, smells, etc.)
- Reset the Check Engine Light (MIL) : The check engine light comes on to indicate a malfunction in the engine or the pollution control system. CarDiag allows you to reset this malfunction indicator lamp.
- Maintenance Book : digitize and store all repairs made by the user or a professional with attached invoices.
- Tutorials for Do-it-yourself Auto Repair, and tips to buy Car Parts
- Car repair cost estimation at the nearest mechanic
- Routine vehicle maintenance : Perform a regular vehicle check-up, pre-vehicle inspection or before buying a car

We have all done the same observation when we take our vehicle to a garage : the mechanic diagnoses possible breakdowns using a dedicated diagnostic tool. This simple diagnostic is billed around 50 dollars, in addition of potential repairs which it is difficult to evaluate the real cost and the necessity. However, sometimes a simple reset of the on-board computer can solve many "electronic problems", a feature available in the "CarDiag" application.

Prerequisites: to use the Cardiag application, you should :
* Have an OBD-II compatible car : OBD-II is compatible with all US vehicle models since 1996, European since 2001 (diesel since 2003), Japanize since 2006.
* Have a CarDiag device (OBD2) : easy to get and available on our website/Amazon...
Updated on
Jun 7, 2022

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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Data is encrypted in transit
You can request that data be deleted
283 reviews
becky leal
April 11, 2021
Ok nice idea, but this sucks. Don't expect anything but the basics for people who don't know jack about mechanics, if you want an advanced auto troubleshooting app this ain't it...for the average joe without any out of the ordinary issues it works good I'm sure.
22 people found this review helpful
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Car Diagnostic App
April 12, 2021
Hello Becky Leal, Thank you for your feedback. Indeed the CarDiag app is not for professionals. It's dedicated to ordinary people in order to help them understand their breakdowns and assist them either with DIY tutorials for simple repairs or even support at the garage for more complicated breakdowns (price estimate, auto parts, ...)
Rabab Elimrani
May 18, 2022
Very Cool app, helped me a lot
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Oussama Saleh El Guerfte
May 6, 2022
Best solution for cars
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