J2534 Passthru & ELM327 Diagnostic Cable Recommended

J2534 diagnostic cable is a tool that supports to work between diagnostic software and vehicle. Compatible with J2534 Passthru & ELM327 to diagnose J1979 vehicles. Here we recommend 2 cables for reference:

Item	VNCI J2534 Nano	GODIAG J2534
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Price	€32	€29.99
Support J2534 & ELM327 mode in one device	√	√
Switch mode automatically	√	√
Support most J2534 compatible software	√(HDS, TIS, ODIS, JLR SDD, PCMFlash, etc.)	√ (HDS, TIS, ODIS, JLR SDD, PCMFlash, etc.)
Support most ELM327 software	√ (ELMConfig, Forscan, ScanMaster, etc.)	√ (ELMConfig, Forscan, ScanMaster, etc.)
Reprogram ECU in J2534 mode with programming voltage	√	√
Supply free software to diagnose J1979 compatible vehicles	√	√
Operating system	Win8, Win10, Win11(32/64bit)	Win8, Win10, Win11(32/64bit)
Muti-language	√	√
Protocol	ISO15765(Standard/Extended frame), ISO9141, ISO14230, J1850 PWM(support IFR & 2X speed mode), J1850 VPW(support 4X speed mode), programming voltage, short to ground, ELM327 with command set version 1.5a.	ISO15765(Standard/Extended frame), ISO9141, ISO14230, J1850 PWM(support IFR & 2X speed mode), J1850 VPW(support 4X speed mode), programming voltage, short to ground, ELM327 with command set version 1.5a.
ISO11898-2 high speed CAN	Speed up to 1000kbps	Speed up to 1000kbps
Programming voltage	Up to 20V	Up to 20V
Dimension	95mm*55mm*23mm	95mm*55mm*23mm
Environmental	-20℃-45℃(-4℉-113℉)	-20℃-45℃(-4℉-113℉)
Vehicle voltage requirements	8-18V DC	8-18V DC
Vehicle connection	Molded DLC3(OBDII-16)	Molded DLC3(OBDII-16)
Host connection	USB 2.0	USB 2.0

*Note for PCMFlash 1.20:

1. Need to buy a PCMTUNER Dongle;
2. Only supports the OBD part.

VNCI J2534 Nano + GM GDS2 Read 2012 Buick DTC

1. Install VNCI J2534 Nano driver;
2. Connect VNCI J2534 Nano to Buick ECU;
3. Run GM GDS2 software to diagnose.

GODIAG J2534+ GM GDS2 Read 2012 Buick DTC

1. Install GODIAG J2534 driver;
2. Connect GODIAG J2534 to Buick ECU;
3. Run GM GDS2 software to start diagnosis.