The Carly OBD2 scanner has emerged as a frontrunner in simplifying car diagnostics for everyday vehicle owners. This compact device promises to unlock a wealth of data from your car, delivering insights directly to your smartphone via the Carly app. But does it live up to the hype? Our expert car repair content creator puts the Carly scanner to the test to provide an in-depth review.
This innovative tool utilizes a powerful 32-bit-ARM processor to tap into the intricate electronic systems of a wide range of vehicles, from a standard VW Polo to luxury models like a Bentley Mulsanne. Its compatibility extends to any petrol car sold in the EU from 2001 onwards (and 2004 for diesel), thanks to the mandatory OBD II port. The core idea behind any OBD II scanner is early fault detection, potentially saving car owners significant repair costs down the line.
Carly aims to differentiate itself by offering features beyond basic diagnostics, such as a Mileage Check to detect potential odometer fraud. Its small size and competitive price point add to its appeal. Coupled with a premium subscription, Carly offers a comprehensive exploration of your vehicle’s health.
This review is brought to you by Aaron Hussain, a seasoned classic car owner and enthusiast. Aaron emphasizes the importance of preventative maintenance and proactive issue monitoring for ensuring vehicle longevity, regardless of age or type.
Verdict: The Carly OBD2 Scanner is a potent tool for preventative maintenance, fitting right in your pocket. However, minor app interface issues prevent it from achieving a perfect score.
Score: 4/5
Carly Scanner product shot
Carly OBD2 Scanner: The Pros
Close up of the Carly App interface on a mobile phone
Simplicity is a standout feature of the Carly Scanner. Locate the OBD II port in your car, typically found beneath the steering wheel, and plug in the device. It immediately begins gathering data, presenting the results on the Carly app in an understandable format. Forget complex manuals; Carly streamlines car diagnostics. The scan duration varies based on the car’s electronic complexity, averaging around 5-10 minutes. Once complete, you can easily navigate through the data, identify areas needing attention, and clear fault codes as needed.
The Mileage Check function truly sets Carly apart. It can identify inconsistencies in mileage readings across different vehicle modules, potentially uncovering odometer manipulation. During our tests, the vehicles scanned displayed consistent and legitimate mileage data. This feature is invaluable for anyone in the used car market, providing an extra layer of security against fraud.
Versatility is another key advantage. Since 2004, all cars are mandated to have an OBD II port, making the Carly Scanner broadly compatible. From everyday cars to high-performance vehicles like an Aston Martin Vulcan or a Shelby Ultimate Aero, Carly can be used across a vast range of makes and models. For anyone considering a used car from the 21st century, the Carly Scanner is a smart tool to have during inspection.
Carly OBD2 Scanner: What’s Acceptable
Carly OBD II scanner plugged into a car's OBD port
It’s important to remember that diagnostic scans may display historical data if fault codes haven’t been cleared from previous diagnostics. Users need to manage and clear codes appropriately. Carly presents all the data it finds, leaving it to the user to interpret and prioritize issues. While some might see a large amount of data as overwhelming, Carly’s comprehensive approach ensures no issues are overlooked.
Value for money is another aspect to consider. The base Carly Scanner offers diagnostic capabilities at a reasonable price. The Used Car Check feature is freely accessible with the app and account setup.
However, the premium subscription pricing varies depending on vehicle brand. Unlocking full functionality for brands like Mercedes might cost more than for a Ford. For some brands, like Holden, only basic packages are available. Prospective buyers should check feature availability and pricing for their specific car manufacturer to understand the full value proposition.
Carly OBD2 Scanner: The Drawbacks
Another angle of the Carly OBD II scanner plugged into a car's OBD port
Scanning time can be a point of frustration. Carly’s thoroughness in analyzing numerous electronic components means scans can take time, sometimes up to ten minutes. While this is technically justifiable, the wait can feel lengthy. The scan duration is also vehicle-dependent; a technologically advanced Mercedes S-Class will naturally take longer than a simpler Toyota GT86.
Mechanically inclined users might find the diagnostic depth somewhat basic and the response times slow. However, for the average car buyer, Carly provides a user-friendly way to differentiate between a reliable vehicle and a problematic one.
Moving to the Carly app itself, user experience isn’t entirely seamless. A persistent feedback pop-up, requiring a minimum character count, interrupts the workflow, particularly during the Used Car Check. While this doesn’t affect diagnostic accuracy, it is an annoying interruption.
An odd error was also noted in the car selection menu: the Audi RS2 was incorrectly listed as being produced between 2000 and 2005. While likely a minor database error, such inaccuracies can detract from the overall polish of the app.
New Feature: Carly Community (November 2024)
Carly recently introduced the Carly Community in November 2024, an online forum designed to enhance the diagnostic experience. This platform allows users to connect with certified mechanics and other vehicle owners to share queries and receive feedback.
Users select their vehicle make and model, categorize their issue, and describe symptoms. They can then post detailed questions to the community. The Carly Community also allows browsing of other users’ queries and responses. Mechanic responses within the community appear to be detailed and helpful in pinpointing potential issues. While the Carly Community offers valuable insights and can help narrow down problems, it should be seen as a supplementary tool. A physical inspection by a trusted mechanic remains essential for a complete diagnosis and repair.
New Feature: Repair Cost Calculator (August 2024)
Launched in August 2024, the Carly Repair Cost Calculator is another valuable addition. This tool estimates repair costs for various car issues.
Users can input data from their Carly scanner for more precise estimates. Alternatively, users can manually input their vehicle make, model, and symptoms using dropdown menus. The tool then provides a tiered list of potential issues and their estimated repair costs, including labor time.
Screenshot of the Carly repair cost calculator interface
For example, inputting a 2014 BMW 5-Series with squeaky brakes yielded insightful results, presenting four potential issues ranging from £200 to £2,000 with estimated labor times. Currently, the Repair Cost Calculator is web-based and not integrated into the app, which would be a beneficial improvement. While promising as a companion tool to the scanner, the accuracy of its cost estimations is still under evaluation.
Other OBD2 Scanner Options:
For those exploring alternatives to the Carly Scanner, consider these options:
- TOPDON Topscan OBD2 Scanner, RRP £69.99
- Autel OBD2 Code Reader, RRP £29.99
- Bosch Automotive Tools OBD 1150 Trilingual Scan Tool, RRP £87.78
Carly Scanner Testing Methodology:
The Carly Scanner’s versatility was tested across multiple vehicles. The app’s user-friendliness and the ease of device insertion and removal were assessed. Repairing and clearing diagnostic messages were not part of this specific test.
Reviewer Profile:
This Carly Scanner review was conducted by Aaron Hussain. Aaron’s passion for preventative maintenance, particularly with his classic Mercedes, made the Carly system a relevant tool for his car care approach, especially as he considers acquiring a more modern vehicle.
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