1. Wprowadzenie
The Tucool Racing KDIAG OBD2 Scanner Diagnostic Tool is a versatile device designed for comprehensive vehicle diagnostics. It connects wirelessly to your iOS or Android device via Bluetooth 5.2, providing access to full system diagnostics and 11 enhanced OBDII function modes for most 1996 and newer US, European, and Asian vehicles. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure optimal use of your KDIAG device.
2. Co znajduje się w pudełku
- 1 x TUCOOL RACING KDIAG TOOL
- 1 x TUCOOL RACING KDIAG BAG
- 1 x TUCOOL RACING KDIAG Colorful Box
- 1 x TUCOOL RACING KDIAG User Manual
- 1 x Free TUCOOL RACING KDIAG App for Android and iOS Via Bluetooth
- 1 x Lifetime Technology Supporting
3. Konfiguracja
3.1. Pobieranie i instalacja aplikacji
The KDIAG device operates via a dedicated mobile application. Download the "KDIAG" app from your device's respective app store:
- Dla urządzeń z systemem iOS: Szukaj „KDIAG” w sklepie Apple App Store.
- Dla urządzeń z systemem Android: Szukaj "KDIAG" in Google Play.
No complicated steps or user registration are required. The app offers lifetime free upgrades.

Image: KDIAG app available on Apple App Store and Google Play.
3.2. Połączenie urządzenia
To connect the KDIAG device to your vehicle and mobile app:
- Znajdź port OBD2 w swoim pojeździe. Zazwyczaj znajduje się on pod deską rozdzielczą po stronie kierowcy.
- Plug the KDIAG device firmly into the OBD2 port. The device will power on automatically.
- Upewnij się, że Bluetooth jest włączony w Twoim urządzeniu mobilnym.
- Open the KDIAG app. The app will automatically detect and connect to the KDIAG device via Bluetooth 5.2.

Image: KDIAG device connected to a smartphone running the diagnostic app.
Video: This video demonstrates the connection process and initial setup of the Tucool Racing KDIAG OBDII Diagnostic Scanner with a mobile device.
4. Instrukcja obsługi
4.1. Enhanced 11 OBDII Function Modes
The KDIAG app provides access to 11 standard OBDII functions:
- Odczyt i kasowanie kodów: View and erase diagnostic trouble codes (DTCs) to turn off the Check Engine Light.
- Transmisja danych na żywo: Display real-time vehicle sensor data in text format, including engine RPM, vehicle speed, coolant temperature, and more.
- Gotowość I/M: Check the status of emission-related systems to prepare for smog checks.
- Stopklatka: View a snapshot of vehicle operating conditions at the moment a fault code was set.
- Test czujnika O2: Pobierz wyniki testu monitorowania czujnika O2.
- Monitorowanie na pokładzie: Uzyskaj dostęp do wyników testów diagnostycznych pokładowych dla określonych podzespołów/systemów.
- Test układu EVAP: Rozpocznij test układu kontroli emisji par.
- Informacje o pojeździe: Retrieve vehicle identification number (VIN), calibration ID (CID), and calibration verification numbers (CVN).
- Wyszukiwanie kodu DTC: Wyszukaj definicje kodów błędów diagnostycznych.

Image: KDIAG app interface displaying the 11 OBDII function modes.
4.2. Professional Full System Diagnosis
Beyond standard OBDII functions, the KDIAG offers professional-grade full system diagnostics. This allows access to information typically available only to mechanics, including reading and clearing codes for systems such as:
- System zapobiegający blokowaniu kół (ABS)
- Poduszka powietrzna (SRS)
- System monitorowania ciśnienia w oponach (TPMS)
- Moduł sterowania silnikiem (ECM)
- Moduł kontroli skrzyni biegów (TCM)
- System zarządzania baterią (BMS)
- Elektroniczny hamulec postojowy (EPB)
- Reset oleju
- Kodowanie wtryskiwaczy
- Czujnik kąta skrętu (SAS)
- Zawieszenie
- I wiele innych systemów specyficznych dla danego pojazdu.
Notatka: Full system check covers most US car brands. Engineers are continuously developing support for more vehicle brands, which will be added with app upgrades.

Obraz: Ponadview of KDIAG's full system diagnostic capabilities.
4.3. Performance Test
The KDIAG device can monitor your car's health in real-time while driving, providing data for performance tests such as:
- 100 km/h acceleration time
- Maksymalna prędkość
- Obciążenie silnika
- Pojemność bateriitagi przetestuj
- Temperatura płynu chłodzącego silnik
5. Konserwacja
5.1. Lifetime Free App Upgrades
The KDIAG app offers lifetime free upgrades, ensuring the system and functions stay up-to-date with the latest advancements in vehicle diagnostics. This provides continuous access to comprehensive and capable diagnostic tools without additional charges.

Image: KDIAG app features, highlighting lifetime free updates.
6. Rozwiązywanie Problemów
6.1. Vehicle Compatibility Issues
While the KDIAG is widely compatible with most 1996 and newer US, European, and Asian vehicles supporting all OBD2 protocols, some specific models or regional protocols may not be supported. This can occur due to varying OBD2 protocol implementation times or special vehicle designs.
Znane niezgodności:
- Not supported for Russian Cars VAZ, UAZ, LADA.
- Not compatible with trucks for Ssangyong Actyon (2009-2017), Korando 2.0 TD Diesel (2013-2017), Kyron 2.0 Diesel (2010-2017), Rexton (2011-2017).
- Not supported for Opel Corsa C 2004 1.3 CDTI.
- Not supported for VW Golf 4 2002.
- Not supported for Citroen C4/C5.
- Not supported for Chevrolet cars.
- Not supported for Renault Logon/Megane, Clio 2/Megane/Dacia Logan.
- Not supported for Skoda Fabia, Skoda Octavia.
If you are unsure about your vehicle's fitment, please provide your car brand, model, and release year to customer support for verification.

Image: Detailed list of known vehicle incompatibilities.
6.2. Problemy z połączeniem
If the app fails to connect to the device:
- Ensure the KDIAG device is securely plugged into the OBD2 port.
- Sprawdź, czy zapłon w Twoim pojeździe jest w pozycji ON (silnik może być wyłączony).
- Check that Bluetooth is active on your mobile device.
- Close and restart the KDIAG app.
- Avoid pairing the KDIAG device directly from your phone's Bluetooth settings; the app handles the connection automatically.
7. Specyfikacje
| Funkcja | Wartość |
|---|---|
| Marka | Tucool Racing |
| Model | KDIAG |
| Waga przedmiotu | 4.2 uncji |
| Wymiary produktu | 2.8 x 1.9 x 0.95 cala |
| Źródło zasilania | Vehicle Battery (9-18V) |
| System operacyjny | OBD2, CAR FULL SYSTEM (ABS, AIRBAG, OIL, EFB, etc) |
| Łączność | Bluetooth 5.2 |
| Obsługiwane języki | 8 languages (English, German, French, Italian, Spanish, Russian, Polish, Chinese) |
8. Zgodność
The KDIAG OBD2 Scanner is compatible with most vehicles manufactured from 1996 onwards that support standard OBD2 protocols. This includes a wide range of US, European, and Asian car brands.
Obsługiwane regiony i lata:
- Samochody amerykańskie (USA): Compatible with Standard OBD2 Cars from 1996 to Now (e.g., Chrysler, Ford, GM, Jeep).
- Samochody europejskie: Compatible with Standard OBD2 Cars from 2003 to Now (e.g., Alfa Romeo, SAAB, Acura, Opel, Audi, Seat, Bentley, Skoda, Daewoo, Benz, Daihatsu, Land Rover, BMW, Vauxhall, Volvo, VW, Ford, Jaguar). French cars after 2006 (e.g., Citroen, Fiat, Renault, Peugeot).
- Samochody azjatyckie: Compatible with Standard OBD2 Cars from 2008 to Now (e.g., KIA, Isuzu, Honda, Mitsubishi, Hyundai, Dacia, Lexus, Mazda, Nissan, Subaru, Suzuki, Toyota).
- Samochody chińskie: Compatible with Standard OBD2 Cars from 2010 to Now (e.g., BYD, Chery, Geely, Great Wall, Karry).
For specific incompatibilities, please refer to the Troubleshooting section.
9. Gwarancja i wsparcie
The Tucool Racing KDIAG OBD2 Scanner comes with lifetime technology support. For any inquiries or assistance, please contact Tucool Racing customer service.