A common question among car enthusiasts, especially those new to the world of vehicle diagnostics, is whether a generic OBD2 scanner suffices or if a more specialized tool like the VAG COM VCDS 2017 is necessary. This guide clarifies the differences between these tools and helps you determine the best option for your needs.
While a basic OBD2 scanner, often found for around $10 on Amazon, can read engine codes related to emissions, its capabilities are severely limited. These scanners primarily communicate with the engine control module (ECM), providing a narrow view of your vehicle’s overall health. In contrast, modern vehicles, like a 2008 Audi S5 for example, often have numerous onboard computers—28 in the case of the S5—controlling various systems from keyless entry to lighting.
The VAG COM VCDS 2017 (Ross-Tech VCDS) distinguishes itself by providing comprehensive access to these various control modules. This allows for in-depth diagnostics across all vehicle systems, going far beyond simple engine code retrieval. For instance, if your keyless entry malfunctions, VCDS enables you to read fault codes from the body control module, pinpointing the root cause. Similarly, modifications such as upgrading to LED taillights often require reprogramming, a task easily accomplished with VCDS.
The VCDS software offers functionalities comparable to those used by dealerships, empowering owners with dealer-level diagnostic capabilities. This includes tasks like diagnosing starter issues, customizing vehicle features (like chimes), and troubleshooting radio problems. Moreover, Ross-Tech provides ongoing support for their product, ensuring users have access to resources and assistance. Unlike some software, VCDS does not require yearly licensing fees, representing a one-time investment.
An alternative to both generic OBD2 scanners and the full-fledged VCDS is Carista. This option offers a middle ground, providing more functionality than a basic scanner while remaining more affordable than VCDS. While not as comprehensive, Carista handles many common diagnostic and customization tasks.
Ultimately, the choice depends on your individual needs and technical proficiency. If you require in-depth diagnostics, customization capabilities, and dealer-level functionality, the VAG COM VCDS 2017 represents a valuable investment. If your needs are limited to basic engine code reading, a generic OBD2 scanner might suffice. For a balance between functionality and cost, Carista offers a viable alternative. Carefully consider your requirements and choose the diagnostic tool that best aligns with your automotive goals.
