1. Einleitung
The QKVCX Kess V5.017 is an advanced ECU programming tool designed for reading and writing data to a vehicle's Engine Control Unit (ECU). This device supports a wide range of vehicles, including cars, trucks, tractors, and motorcycles, across various protocols such as Line, KAN, EDC17, MED17, and Ford J1850. It operates without token limitations, offering lifetime use for vehicle diagnostics and programming tasks.
2. Packungsinhalt
Before proceeding with installation and operation, please verify that all components listed below are present in your package:
- Kess V5.017 Main Unit
- OBD2-Anschlusskabel
- USB-Kabel
- Various Adapter Cables for different ECU connections
- Software CD / USB Flash Drive (containing installation files)

Figure 2.1: The QKVCX Kess V5.017 main unit along with its complete set of accessories, including various connection cables, adapters, and the software CD.
3. Produktmerkmale
The Kess V5.017 ECU Programming Tool offers a comprehensive set of features designed for efficient and reliable vehicle ECU management:
- Wide Protocol Support: Covers major brands and protocols including Line, KAN, EDC17, MED17, and Ford J1850.
- Unlimited Tokens: No token limitations for all supported vehicles, allowing for lifetime use.
- Online Service Support: Firmware V5.017 supports online services via internet connection.
- Breite Fahrzeugkompatibilität: Supports various vehicle types based on engine, including cars, trucks, tractors, and bikes.
- Direct OBD2 Programming: Enables reading and writing to the ECU directly through the OBD2 port, eliminating the need to disassemble the ECU.
- Echtzeit-Akku-Voltage Überprüfen Sie: Überwacht die Batterielautstärketage during programming to prevent interruptions.
- Full Recovery Function: Provides a recovery option in case of programming issues.
- Automatic Checksum Correction: Ensures data integrity by automatically correcting checksums.
- Boot-Loader Mode Support: Compatible with boot-loader mode for advanced programming.
- ScanTool Function: Includes a ScanTool function to remove Diagnostic Trouble Codes (DTCs).
- Adjustable Read/Write Speed: Offers several options for adjusting reading and writing speeds.
- Partial/Full Map Writing: Option to write full files or specific sections of the ECU map.
- ECM Titanium Integration: Full integration capabilities with ECM Titanium software.

Figure 3.1: A list detailing the main functionalities of the Kess V5.017, including real-time battery voltage check, full recovery function, automatic checksum correction, and boot-loader mode support.

Abbildung 3.2: Eine detaillierte view of the Kess V5.017's internal circuit board, showcasing the main processor and other critical electronic components for reliable operation.
4. Einrichtung
4.1 Softwareinstallation
- Disable Firewall: Before installing the software, temporarily turn off your computer's firewall software to prevent interference during installation.
- Copy Software: Copy the entire contents of the provided software CD or USB flash drive to the C drive of your computer.
- Installationsprogramm ausführen: Navigate to the copied folder on your C drive and run the installation executable. Follow the on-screen prompts to complete the installation.

Figure 4.1: An important notice advising users to disable computer firewall software before installation and to copy the software contents from the CD to the computer's C drive for proper execution.
4.2 Systemanforderungen
The Kess V5.017 software is compatible with the following operating systems:
- Windows XP
- Windows 7
- Windows 8
- Windows 10

Figure 4.2: This image shows the Kess V5.017 device and its internal board, accompanied by a table outlining supported vehicle types (cars, trucks, tractors, motorcycles) and compatible operating systems (Windows XP, 7, 8, 10).
5. Bedienungsanleitung
5.1 Connecting via OBD2
For vehicles supporting OBD2 programming, follow these steps:
- Stellen Sie sicher, dass die Zündung des Fahrzeugs ausgeschaltet ist.
- Suchen Sie den OBD2-Anschluss des Fahrzeugs (normalerweise unter dem Armaturenbrett).
- Connect the OBD2 cable from the Kess V5.017 unit to the vehicle's OBD2 port.
- Connect the Kess V5.017 unit to your computer via the USB cable.
- Turn the vehicle's ignition to the ON position (do not start the engine).
- Launch the Kess V5.017 software on your computer and follow the software's instructions for reading or writing the ECU.

Figure 5.1: This diagram demonstrates how to connect the Kess V5.017 to a vehicle's OBD2 port for ECU programming, with the device linked to a laptop.
5.2 Connecting via Tricore
For ECUs requiring Tricore programming, follow these steps:
- Disconnect the ECU from the vehicle.
- Connect the appropriate Tricore adapter cables from the Kess V5.017 unit to the ECU. Refer to the specific ECU's pinout diagram for correct connections.
- Connect the Kess V5.017 unit to your computer via the USB cable.
- Ensure the ECU is powered correctly through the adapter.
- Launch the Kess V5.017 software on your computer and follow the software's instructions for reading or writing the ECU.

Figure 5.2: This diagram illustrates the connection setup for programming an ECU using the Tricore method, showing the Kess V5.017 connected to a laptop and the vehicle's ECU.
6. Wartung
To ensure the longevity and optimal performance of your Kess V5.017 tool, adhere to the following maintenance guidelines:
- Lagerung: Bewahren Sie das Gerät und sein Zubehör an einem trockenen, kühlen Ort, fern von direkter Sonneneinstrahlung und extremen Temperaturen auf.
- Reinigung: Reinigen Sie die Außenseite des Geräts mit einem weichen, trockenen Tuch. Vermeiden Sie die Verwendung aggressiver Chemikalien oder Scheuermittel.
- Kabelpflege: Handle all cables with care. Avoid bending them sharply or pulling them forcefully, which can damage internal wires.
- Software-Updates: Regularly check for and install official software updates to ensure compatibility with new vehicles and to benefit from performance improvements and bug fixes.
- Firmware-Integrität: Do not attempt to modify the device's firmware unless instructed by official support. Unauthorized modifications can lead to device malfunction.
7. Fehlerbehebung
This section addresses common issues you might encounter while using the Kess V5.017 tool.
7.1 Software Installation Issues
- CD/USB Not Recognized: If your computer does not recognize the provided CD or USB flash drive, ensure your drive is functioning correctly. If the issue persists, try copying the files to another USB drive or downloading the software from an official source if available.
- Installationsfehler: Ensure your firewall and antivirus software are temporarily disabled during installation. Verify that the software files were copied completely and correctly to your C drive.
7.2 Communication Errors
- Gerät verbindet sich nicht: Check all cable connections between the Kess V5.017, the vehicle/ECU, and the computer. Ensure the USB drivers for the Kess V5.017 are correctly installed on your computer.
- Vehicle Not Detected: Verify that the vehicle's ignition is in the ON position (engine off) for OBD2 connections. Ensure the correct vehicle protocol is selected in the software.
- Programming Failure: Stellen Sie sicher, dass die Batteriespannung des Fahrzeugs ausreichend ist.tage is stable and sufficient during programming. A low battery can interrupt the process. Use the real-time battery voltage check feature. If a programming failure occurs, utilize the full recovery function.
7.3 Allgemeine Bedienung
- Langsamer Betrieb: If reading or writing is slow, check your computer's performance and ensure no other demanding applications are running. You can also adjust the read/write speed settings within the software.
- Unsupported ECU: If the software indicates an unsupported ECU, verify that your Kess V5.017 firmware and software versions are up to date. Not all ECUs are universally supported; consult official compatibility lists.
8. Spezifikationen
| Besonderheit | Detail |
|---|---|
| Marke | QKVCX |
| Modell | KESS V5.017 |
| Firmware Version | V5.017 |
| Softwareversion | V2.47 (or V2.53 as per some images) |
| Betriebssystemkompatibilität | Windows XP, Windows 7, Windows 8, Windows 10 |
| Verbindungsschnittstelle | OBD2, Tricore |
| Token Limit | Unbegrenzt |
| Artikelgewicht | Ungefähr 2.33 Pfund (1.06 kg) |
| Verpackungsabmessungen | Ungefähr 9.17 x 7.6 x 2.83 Zoll (23.3 x 19.3 x 7.2 cm) |
9. Garantie und Support
For warranty information and technical support, please refer to the documentation provided with your purchase or contact the QKVCX customer service directly. Keep your purchase receipt as proof of purchase for any warranty claims.