This app, OPL DRC Reader, is designed to read OBDII Diagnostic Trouble Codes (DTCs) from Opel, Vauxhall, and Chevrolet vehicles manufactured after 2004 that utilize a CAN BUS (HS-CAN) system. Supported vehicles include:

• Opel/Vauxhall: Insignia, Astra J, Astra H (engine module only), Vectra C/Signum (engine module only). Other models are not currently tested for compatibility.

• Chevrolet: Orlando, Cruze (not tested). Other models are not currently tested.

• Other GM Brands: Compatibility with other GM brands is not yet verified.

The app displays vehicle information such as VIN and engine code, along with a list of detected errors from the Engine Control Module (ECU), Body Control Module (BCM), and Transmission Control Module (TCM). Mileage retrieval from certain modules is also possible, depending on the vehicle.

Important Note:

This application requires a compatible ELM327 Bluetooth interface, version 1.3 or higher, for proper functionality. It may not work with low-quality ELM327 clones. You can test your interface's compatibility using the ELM Identifier app available on Google Play: https://play.google.com/store/apps/details?id=com.applagapp.elm327identifier