Many car owners and DIY enthusiasts turn to OBD2 scan tools for vehicle diagnostics. Among the popular options is the Veepeak Obd2 Scan Tool, known for its affordability and ease of use with smartphone apps via Bluetooth. However, it’s crucial to understand the limitations of the Veepeak and similar basic OBD2 scanners, especially when it comes to comprehensive car health checks.
While a Veepeak OBD2 scan tool, often priced around $13 when paired with an ELM327 Bluetooth dongle and a phone app, is effective for reading standard OBD2 system data and fault codes, its capabilities are confined to the OBD2 protocol. Modern vehicles are equipped with a complex network of computers that control various systems beyond what OBD2 covers. For instance, checking something as fundamental as oil level isn’t within the scope of standard OBD2 data. Although OBD2 can report issues with the oil level sensor itself, it won’t provide a direct oil level reading. Veepeak explicitly states that their tools are designed solely for OBD2 scanning, meaning they cannot access non-OBD2 systems in your car.
For tasks requiring interaction with non-OBD2 systems, such as resetting oil change lights or operating electronic parking brakes, more advanced and often brand-specific tools are necessary. At the lower end of advanced options, consider tools like the Autel DiagLink, typically in the $90-$100 range. The DiagLink offers deeper diagnostics but is limited to a single car brand out of the box. It includes free brand-specific software, but expanding its capabilities to other brands requires purchasing additional software licenses. Despite this limitation, for users dedicated to a single vehicle brand, the DiagLink presents a cost-effective solution for accessing functions beyond basic OBD2 scanners.
If you require multi-brand diagnostic capabilities that extend beyond OBD2, tools like the Autel MD806, priced around $200, become relevant. The MD806, while potentially using similar hardware to the DiagLink, utilizes software that supports multiple car brands without separate software purchases for each. It also typically includes lifetime software updates, enhancing its long-term value. While “lifetime” often refers to the tool’s support lifespan, the MD806 offers a strong balance of functionality and price, making it a valuable tool for users needing broader diagnostic access across different vehicle makes.
In conclusion, while the Veepeak OBD2 scan tool and similar entry-level devices are useful for basic OBD2 diagnostics, their capabilities are limited. For car owners needing to diagnose issues beyond the standard OBD2 system or perform more advanced functions, investing in tools like the Autel DiagLink or MD806 is necessary to gain comprehensive insights into their vehicle’s health.