OPL DTC Reader
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Latest Version | 2.04 |
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Update | Mar,20/2025 |
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Developer | OPL Team Przemysław Zawadzki |
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OS | Android 4.1+ |
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Category | Auto & Vehicles |
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Size | 3.8 MB |
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Google PlayStore | ![]() |
Tags: | Auto & Vehicles |



Diagnose Opel, Vauxhall, and Chevrolet OBDII Codes with ELM327BT
The OPL DRC Reader app is designed to retrieve OBDII Diagnostic Trouble Codes (DTCs) from Opel, Vauxhall, and Chevrolet vehicles equipped with CAN BUS (HS-CAN), manufactured after 2004. Compatibility is not guaranteed for all models.
Supported Vehicles (Partial List):
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Opel/Vauxhall:
- Insignia
- Astra J
- Astra H (Engine Module Only)
- Vectra C/Signum (Engine Module Only)
- Other models – untested
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Chevrolet:
- Orlando
- Cruze – untested
- Other models – untested
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Other GM Brands: Untested
The app displays vehicle information, including VIN and Engine Code, along with a list of detected errors from various modules:
- Engine Control Module (ECU)
- Body Control Module (BCM)
- Transmission Control Module (TCM)
Mileage retrieval is also possible from certain modules, depending on vehicle compatibility.
Important Note:
A compatible ELM327 Bluetooth interface (version 1.3 or higher) is required. The app may not function correctly with low-quality ELM327 clones. Verify your interface's compatibility using the ELM Identifier app available on Google Play: https://play.google.com/store/apps/details?id=com.applagapp.elm327identifier