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First release of CarNerve. Plug in a cheap OBD-II adapter and read your car in plain words - no subscription, no account. • Fault codes explained in normal language, not just a code number • 383 known factory faults keyed by ENGINE FAMILY, with symptoms and sources • Live parameters, fuel trims and oxygen sensors with an interpretation layer • Pre-purchase check: was the warning light cleared just before the viewing? • PDF report, service reminders, Polish and English
OBD2 ELM327 scanner: fault codes in plain words + known faults of your engine
CarNerve is an OBD2 car scanner for any ELM327 Bluetooth adapter. Read check engine codes in plain words, see the known faults of YOUR engine and check a used car before you buy it. No subscription. No account. ★ CHECK A USED CAR BEFORE YOU BUY Were the fault codes cleared just before the viewing? CarNerve reads the OBD2 readiness monitors and shows whether the car's self-tests have actually completed. You get a clear verdict and a PDF report to show your mechanic or to negotiate the price. ★ KNOWN FAULTS OF YOUR ENGINE 383 common faults matched to your engine family: what tends to break, typical symptoms and what to check first. Know the weak spots of a 1.9 TDI, 2.0 HDi or N47 before they get expensive. ★ FAULT CODES IN PLAIN WORDS 466 OBD2 fault codes (DTC) explained in plain language and matched to your car's make and fuel type. No more guessing what P0299 or P0401 means or why the check engine light is on. ★ NO CODE? START FROM THE SYMPTOM No adapter yet? Pick a symptom (rough idle, loss of power, smoke, warning light) and see the likely causes for your engine. ★ FUEL TRIMS, O2 SENSORS, DPF Fuel trims and oxygen sensor readings with interpretation, not just numbers: a ranked list of likely causes when the engine runs lean or rich. DPF information for diesels. ★ LIVE DATA Watch your engine's sensors in real time while you drive or idle. ★ GARAGE, HISTORY & REMINDERS Keep all your cars in one garage, compare scans over time, export PDF reports and set service reminders. WHAT THE OBD2 SCANNER DOES - Reads and clears OBD2 / OBD-II / EOBD fault codes - Explains the check engine light in plain words - Detects recently cleared codes via readiness monitors - Known engine faults database - Fuel trims, O2 sensors, live data - Scan history and PDF reports - Works offline WORKS WITH - Any ELM327 OBD2 adapter: Bluetooth Classic or Bluetooth LE - Petrol cars from 2001 and diesel cars from 2004 (EU), OBD2 cars from 1996 (US) - VW, Audi, Skoda, Seat, BMW, Mercedes, Opel, Ford, Peugeot, Citroën, Renault, Toyota, Volvo and more WHAT WE DO NOT PROMISE CarNerve reads standard OBD2 data. It does not code control modules, read manufacturer-specific ABS or airbag codes, or replace a mechanic. When a fault needs a workshop, we tell you so. We do not guess. PRIVACY No account, no cloud. Your cars, scans and reports stay on your phone. Plug in your ELM327, start the engine and run your first scan in under a minute.