Low-cost SAE J2534 Pass-Thru and ELM327 USB cable for OEM software and ECU reprogramming
Model code: J2534 Nano Manufacturer: VNCI OBD
VNCI J2534 Nano is a compact USB diagnostic cable that works in two modes, switched automatically: as an SAE J2534 Pass-Thru interface for manufacturer software and ECU reprogramming, and as an ELM327-compatible interface for generic OBD2 apps.
Software (examples tested by VNCI): Toyota Techstream, Honda HDS, VW 5054A mode, JLR SDD, GM GDS2, Volvo VIDA, Mercedes Xentry Passthru, BMW ISTA, Nissan Consult III R2R; ELM327 mode: FORScan, ScanMaster, ELMConfig, J1979 Tester. Support for some programs is marked by VNCI as "test by your side".
Limitations: no CAN FD / DoIP, no medium-speed CAN in FORScan, VW 5054A mode without CAN FD.
Hardware: high-speed CAN up to 1000 kbps (pins 6/14), K-line (7/15), J1850 PWM / VPW (2/10), programming voltage up to 20 V (pin 12 or 13), short to ground (pin 9).
Dimensions: 95 x 55 x 23 mm, cable approx. 140 cm. Operating temperature -20 to 45 C. Vehicle voltage 8 - 18 V DC. Windows 8/10/11, 32/64-bit.
Note: the interface does not include the vehicle manufacturer's diagnostic software. Original OEM software (and any licence or subscription it requires) must be obtained separately. Setup guides are available in the VNCI knowledge base at vnciobd.com/knowledge-base.
| Product type | Device with software installed on a computer / tablet / phone |
|---|---|
| OEM (Original Equipment Manufacturer) product? i | No — Generic SAE J2534 Pass-Thru / ELM327 interface (not tied to one brand) |
| For which vehicle | Cars |
| Price (USD) | $25 |
| What programs does it work with? | SAE J2534 software (tested by VNCI): Toyota Techstream, Honda HDS, VW 5054A (ODIS, no CAN FD), JLR SDD (2006-2016), GM GDS2, Volvo VIDA, Mercedes Xentry Passthru, BMW ISTA-D/ISTA-P, Nissan Consult III R2R ELM327 software: FORScan (no MS-CAN), ScanMaster ELM, ELMConfig, J1979 Tester KTM Flash (OBD only, dongle required) |
| Connection with computer / tablet / phone | USB |
| Other connection (details) | USB 2.0 cable (molded OBD2 16-pin connector) |
| Vehicle power supply system | 12V |
| Supported protocols | K-line, KWP2000, SAE J1850, J1979, ELM327, CAN, J2534 standard API passthru |
| Other protocols (details) | ISO 15765 (11/29-bit CAN up to 1000 kbps), ISO 9141, ISO 14230, J1850 PWM (IFR, 2x), J1850 VPW (4x), programming voltage up to 20 V, ELM327 v1.5a command set |
| Months of free updates | 12 |
| Subscription model (description) | No subscription for the interface. Driver / device-manager updates are published by VNCI on vnciobd.com/downloads. OEM diagnostic software licences are purchased separately from the vehicle manufacturer. |
| Menu language | English |
| Other language (details) | The interface has no menu of its own - languages depend on the OEM software used |
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We are VNCI, a professional brand of vehicle diagnostic interfaces from Shenzhen Rockway Technology Co., Ltd. in Shenzhen, China. Our mission is simple: to give independent workshops and automotive specialists access to dealer-level diagnostics without dealer-level costs.
Our interfaces connect your laptop to the vehicle and work plug-and-play with the car manufacturers' original diagnostic software and drivers. With a VNCI interface you can run full OEM diagnostics, coding and programming just as an authorised dealer would.
We build a dedicated interface for each vehicle group:
VNCI 6154A / 6154B: Volkswagen, Audi, Skoda and Seat (ODIS-S / ODIS-E)
VNCI VCM3: Ford and Mazda (IDS, FDRS)
VNCI JLR: Jaguar and Land Rover (JLR SDD, Pathfinder)
VNCI MDI2: General Motors (GDS2, Tech2Win)
VNCI RNM: Renault, Nissan and Mitsubishi (CAN Clip, C3P, MUT-3)
VNCI PT3G: Porsche (PIWIS 3)
VNCI 6515SZ: Suzuki (SDT-3)
VNCI VDI3: MG, Roewe, Wuling and Maxus
We keep developing our devices to support the latest vehicle technologies, including CAN FD and DoIP, and we regularly release driver updates for faster and more stable communication.
Please note: our interfaces are designed to work with the vehicle manufacturers' original software, which is not included and may require a licence or subscription from the manufacturer.
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