850 OBD-II is a specialized diagnostic and programming application designed for Volvo vehicles from 1996-2000, with support for P1, P2 platforms. It works with ELM327 Bluetooth/Wi-Fi/USB dongles to provide advanced vehicle diagnostics beyond standard OBD-II capabilities. The app allows users to directly read individual modules, aiding in pinpointing issues that regular OBD-II scanners might miss.

This tool is essential for car enthusiasts and mechanics who need detailed insights into their Volvo's systems. With the ability to program certain parameters and reset service lights, it offers functionality usually reserved for dealerships. Whether you're diagnosing ABS, airbags, or engine control units, this app provides comprehensive coverage for many Volvo models.

850 OBD-II stands out with its extensive feature set tailored for Volvo owners. The app supports fault code reading and clearing, live sensor data monitoring, and system information retrieval such as ECU part numbers and configurations. Advanced commands include injector testing and dynamic timing adjustments for specific engine types.

One of the key highlights is the ability to perform remote programming functions like VGLA without needing dealership intervention. Additionally, users can utilize the app as an ELM327 terminal to send custom commands, making it versatile for various diagnostic needs. This level of detail and control ensures that users have a powerful tool at their disposal for maintaining and troubleshooting their vehicles.

Accessing detailed vehicle information is crucial for effective diagnostics and maintenance. The 850 OBD-II app goes beyond standard OBD-II capabilities by reading individual modules directly, providing users with comprehensive data about their vehicle's systems. This includes part numbers of ECUs, configurations, and real-time sensor data.

The app supports a wide range of Volvo models, including P80, S40/V40, S70/V70/XC70, C70, and P2 platforms. It can retrieve specific information such as ABS/BCM, SRS (airbag), instrument panel (COMBI), automatic gearbox, and various engine control units (ECUs). By offering this level of detail, the app empowers users to understand their vehicle's condition thoroughly.

For advanced users, the app provides additional programming capabilities. Users can adjust module parameters via Service & Advanced commands, enabling functions like Injector testing, TDi Fuel pump Dynamic Timing, and VGLA Remote Programming. This depth of information ensures that both basic and complex issues can be diagnosed and addressed effectively.

Price transparency in automotive tools is essential for user satisfaction and trust. The 850 OBD-II app offers its comprehensive diagnostic capabilities at no extra hidden costs, ensuring users are fully aware of what they are getting. The app clearly outlines its requirements, primarily the need for an ELM327 dongle (V1.4b or greater), which users must acquire separately.

While the app itself is available for download at a specified price, it emphasizes that most functionalities work seamlessly with the correctly equipped ELM327 device. If users encounter issues due to outdated firmware on their dongles, the app promptly notifies them, preventing unexpected expenses or frustrations.

Moreover, the app does not impose additional charges for accessing advanced features such as Service Light reset, Fault Code Read & Clear, and Live sensor data. This transparent pricing model allows users to budget appropriately and enjoy full access to critical vehicle information without worrying about unforeseen costs.