Blue Driver is a Professional Diagnostic Scan Tool. Read or clear trouble codes when the check engine light comes on. View a vehicle-specific Repair Report that contains info such as Code Definition, Possible Causes, and Reported Fixes, which can be emailed as a PDF. Read and clear Enhanced codes (e. g. ABS, Airbag, Transmission, etc.) on GM, Ford, Chrysler, Toyota, Nissan, BMW/Mini (more to come!)To deliver the best experience, the Blue Driver Sensor and the free Blue Driver App (on iTunes and Google Play) are designed to work exclusively as a single tool. Older negative reviews focus on charges to unlock features in the App. The only purchase you ever need to make is the Blue Driver sensor listed here. No in-app purchases or subscription fees. BLUEDRIVER FEATURES- Read and Clear Codes Confirmed CEL Codes - all make spending CEL Codes - all makes Permanent CEL Codes - all makes Enhanced Codes (e. g. ABS, Airbag, Transmission, etc.) form, Ford, Chrysler, Toyota, Nissan (available worldwide)BMW/Mini (available in North America)- Repair Reports - Vehicle-specific for each DTC: Code Definition Possible Causes Reported Fixes- Freeze Frame - Vehicle snapshot when a code is stored- Smog Check- Mode 6 - Advanced test results (like misfire counts)- Live Data - Graph multiple PIDs or export log to a file BLUE DRIVER SPECIFICATIONS- Supported Vehicles Works with all vehicles 1996 or newer (domestic and import)Supports all OBD2 protocols (including CAN)- Supported Phones/Tablets Licensed to work with Apple iOS and Android- Supported Hardware/Software The Blue Driver Sensor and free Blue Driver App are designed to work exclusively as a single tool.