If you're an owner of an Opel, Vauxhall, or Chevrolet vehicle from 2004 onwards and equipped with CAN BUS (HS-CAN), you'll find the OPL DRC Reader app incredibly useful for diagnosing your car's health. This specialized app connects seamlessly with your vehicle through an ELM327 Bluetooth interface to read OBDII Diagnostic Trouble Codes (DTCs), helping you pinpoint any issues with your engine or other systems.
For **Opel/Vauxhall** enthusiasts, the app supports models such as the Insignia, Astra J, and for engine module readings only, the Astra H and Vectra C/Signum. While these models are confirmed to work with the app, other Opel/Vauxhall vehicles remain untested. **Chevrolet** owners can also benefit from this app, with confirmed compatibility for the Orlando model, though the Cruze and other Chevrolet models have yet to be tested. For other GM brand vehicles, compatibility is currently unknown.
The OPL DRC Reader app doesn't just stop at error codes; it also provides valuable information such as your vehicle's VIN and engine code. It can retrieve error lists from the Engine Control Module (ECU), Body Control Module (BCM), and Transmission Control Module (TCM). Additionally, for select vehicles, the app can even read the mileage from certain modules.
**CAUTION:** To ensure the app functions correctly, you must use a compatible ELM327 Bluetooth interface with at least version 1.3. Be wary of low-quality ELM327 clones as they might not work with the app. To verify your interface's compatibility, you can use the ELM Identifier application available on Google Play at this link: ELM Identifier.
