The Codebreaker 4-Mode OBD2 Computer is a plug-in dash unit that reads engine data from your car's OBD2 port and shows it on a backlit two-line, 16-character display. It combines a fault scanner, digital gauges, a trip computer and data memory in one small box that mounts with Velcro strips. It suits drivers of 2007-and-newer vehicles who want live engine readings and basic fault codes without a phone app. Its rivals are mostly Bluetooth dongles that rely on a smartphone screen, so the Codebreaker trades a bigger app display for a standalone readout that works without a phone.
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Rated 4.5 out of 5 from 11 ratings, buyers generally find it a handy, easy-to-fit gauge and code reader.
The Codebreaker 4-Mode OBD2 Computer plugs into a vehicle's OBD2 port. It combines four functions in one compact unit: Scan Tool, Digital Gauges, Trip Computer and Data Memory.
It is used to monitor engine performance and fuel economy, diagnose engine faults and access key ECU data while driving. Fitment is plug and play. The display is back-lit and shows 2 lines of 16 characters.
