OBD Master Pro | OBD2 Scanner

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About this app

Professional OBD2 scanner with dealer-grade ECU coding. 4,000+ hidden features, 400+ service tools, 1,700+ ECUs mapped, 500+ brand-specific live data signals. Works with any ELM327 or ELM329 adapter via Bluetooth, BLE, Wi-Fi, USB OTG. No proprietary dongle. Trusted by 5,000+ paying users.

SUPPORTED CAR BRANDS

Full coding + diagnostics: Audi, BMW, Volkswagen, Skoda, SEAT, Cupra, Porsche, MINI, Ford, Lincoln, Toyota, Lexus, Scion, Nissan, Infiniti, Fiat, Alfa Romeo, Jeep, Chrysler, Dodge, RAM, Maserati, Lancia, Abarth, Peugeot, Citroen, DS. Diagnostics + DTCs: Renault, Dacia, Hyundai, Kia, Honda, Acura, Chevrolet, Cadillac, GMC, Buick, Opel, Vauxhall, Holden, Mazda, Subaru, Mitsubishi, Mercedes-Benz, Volvo, Jaguar, Land Rover, and every OBD2 vehicle.

ECU CODING, 4,000+ HIDDEN FEATURES

- VAG (VW, Audi, Skoda, SEAT, Porsche): MQB, MLB, PQ26, Evo platforms
- BMW E-chassis (E39/E46/E60/E90)
- BMW F/G/I (F10/F30/G20/iX)
- Ford (Focus, F-150, Mustang, Explorer, Fusion)
- Toyota, Lexus, Scion
- FCA Stellantis (Fiat, Alfa Romeo, Jeep, Chrysler, Dodge, RAM, Maserati, Peugeot, Citroen, DS)
- Nissan, Infiniti

Enable Coming Home / Leaving Home lights, needle sweep, comfort turn signals, mirror folding on lock, disable Soundaktor, DRL, ambient lighting, start-up logo, Video In Motion (VIM), drive mode profiles, cluster themes, Traffic Jam Assist activation, and thousands more. Auto-backup before each change, one-tap revert.

FULL-SYSTEM DIAGNOSTIC SCAN

Scan engine (ECM), transmission (TCM, DSG, ZF), ABS, SRS airbag, body control (BCM), instrument cluster, HVAC, power steering, parking brake (EPB), TPMS, Gateway, immobilizer, infotainment, HUD, navigation, air suspension. UDS (ISO 14229, 15765-4, KWP2000, 9141-2).

CLEAR CHECK ENGINE LIGHT

Scan stored, pending, permanent DTCs across all ECUs. Reset CEL and MIL in one tap. 1,500+ manufacturer fault codes, OBD2 + EOBD.

SERVICE TOOLS AND RESETS

DPF regeneration, battery registration (BMW F, BMW I i3/i8/iX, VAG), EPB retraction, TPMS programming / reset, service indicator reset, oil reset, tire size calibration (Ford BCM relearn), throttle body adaptation, Haldex relearn, transmission adaptation reset, HVAC flap calibration, aux heater unlock (VAG), SFD unlock, VAG adaptation channels, VIM, ABS inspection, air suspension calibration, engine fan test, used car check.

BRAND-SPECIFIC LIVE DATA

Sensors hidden from standard OBD2 apps: DPF soot mass, battery SOC / SOH, EV cell voltages, oil and transmission temperature, turbo boost, MAF, fuel trim, lambda sensors, EGR duty cycle, airbag crash count, HV insulation resistance, and hundreds more across VAG, BMW, Ford, Toyota, Nissan, Renault, Hyundai, Kia.

MILEAGE FRAUD DETECTION

Read the true odometer from ECU memory, compare to the dashboard. Detects mileage manipulation and odometer rollback across 45+ brands.

EV AND HYBRID BATTERY HEALTH

SOC, SOH, cell voltages, pack temperature, degradation, HV insulation resistance for Hyundai, Kia, Nissan Leaf.

PERFORMANCE, HUD, TRIP COMPUTER

Turbo boost gauge, real-time torque / horsepower (BHP), 0-60 mph / 0-100 km/h timer, quarter-mile, CO2, fuel economy (MPG, L/100km). HUD on windshield. Car Mode with voice commands. Customizable dashboard, GPS trip log, CSV / PDF export, QR share.

DIAGNOSTIC TOOLKIT

Freeze frame, emission readiness (I/M), smog pre-check, O2 lambda, 12V battery and alternator test, Mode 06, Mode 09 VIN, custom PID builder, fuel tank calibration, maintenance reminders, multi-vehicle garage.

WORKS WITH ANY OBD2 ELM327 OR obd2 ELM329

Bluetooth Classic, BLE, Wi-Fi, USB OTG. Compatible with OBDLink, Vgate iCar, Veepeak, Kiwi 3, VLinker, UniCarScan, and any genuine ELM327 v1.4 / v1.5. The only OBD2 car scanner with wired USB support.

REQUIREMENTS: OBD2 car (1996+ US, 2001+ EU gas, 2004+ diesel). ELM327/329 or STN adapter. Android 8.0+.

Download OBD Master Pro and take control of your car's health.

What’s new

- ECU coding: VAG (Audi, VW, Skoda, Seat) on MQB, PQ26, PQ35, MEB, MLB
- Audi A4 B9 multi step coding, long coding for 59 ECUs
- Stellantis coding: Alfa Romeo, Fiat, Jeep, Chrysler, RAM, Maserati
- BMW F and G fix; Mercedes, Hyundai, Kia, Toyota, Nissan rewritten
- OBD2 Bluetooth 4 method pairing; Wi Fi fixed on STN chips
- VW TP 2.0 added for pre 2008 VAG
- DTC scan: 15 brand gateways, VAG 5 digit codes
- Live data: 32 PIDs, 36 decoders, recorder, backup and restore