Ediag Plus – Advanced Car and Truck Diagnostics for Auto Mechanics and Auto Services
Ediag Plus is a professional diagnostic tool designed for fast, reliable, and comprehensive car diagnostics and truck diagnostics. It is an essential device for auto mechanics and auto services, providing in-depth access to vehicle systems, real-time data, error codes, and advanced maintenance functions.

The device connects via Bluetooth to smartphones or tablets and works seamlessly with ProDiag software, making it simple for professionals to diagnose a wide range of vehicles efficiently.
Key Features of Ediag Plus
- Read and Erase DTC Codes – Works with all standard and manufacturer-specific diagnostic trouble codes.
- Live Data Streaming – Monitors engine temperature, fuel system, RPM, battery voltage, and other critical parameters in real time.
- Service and Reset Functions – Includes oil reset, TPMS reset, DPF reset, BMS reset, NOx sensor reset, and other ECU maintenance functions.
- EV and Hybrid Functions – Advanced EV reset, HVPO, OBC, and hybrid module management.
- ProDiag Software Compatibility – Full system diagnostics and module access for supported brands.
- 24V to 12V Adapter Support – With a voltage converter, eDiag Plus can diagnose trucks, buses, and commercial vehicles.
- Automatic Protocol Detection – Detects the correct communication protocol for any vehicle, simplifying diagnostics.
New or Previously Used Devices
If your eDiag Plus is brand new and never used, it works immediately with ProDiag software without any flashing required.
If the device has previously been used with other diagnostic software, it can be flashed to ensure compatibility with ProDiag. Boot files are available for purchase and download here: Pro-Diag BOOT FILES

Ediag Plus is a professional diagnostic tool designed for fast, reliable, and comprehensive car diagnostics and truck diagnostics. It is an essential device for auto mechanics and auto services, providing in-depth access to vehicle systems, real-time data, error codes, and advanced maintenance functions.
Important:
- Select the correct boot file for your adapter model.
- Select the correct boot file for your adapter model.
- Always follow ProDiag instructions to avoid bricking the device.

Supported OBD Protocols
eDiag Plus supports a full range of OBD communication protocols:
Protocol | Description |
ISO 9141-2 | Common on older European and Asian vehicles; moderate speed. |
ISO 14230-4 (KWP2000) | For European vehicles; supports ECU diagnostics. |
ISO 15765-4 (CAN) | High-speed protocol for modern cars with multiple ECUs. |
SAE J1850 PWM / VPW | Typically used on American vehicles; pulse width modulation. |
SAE J1939 | Truck and heavy vehicle protocol for multiple module communication. |
GMLAN | GM-specific LAN protocol for module-level diagnostics. |
The device automatically recognizes and connects via the correct protocol.
Supported Passenger Vehicles (ProDiag Software)
Ediag Plus works with the following car brands:
Alphabet | Brands |
C | CHANGCHENGZY, CHANGFENG, CHANGHE, CHANGHU, CHMLZY, CHRYSLER, CHUANQI, CHUANQIZY, CHZY, CITROEN, COWIN_TY, COWINZY, CQISUZU |
D | DADI, DAEWOO, DAIHATSU, DEARCARZY, DEMO, DFBF, DEFCU, DFEPFAIZY, DFFPZY, DFFAZY, DFXF, DFXNZY, DNAVEZY, DONGFENGFS, DONGNAN, DR |
E | ECUAID, EOBD2, EV_RESET_BCR, EV_RESET_COMPA, EV_RESET_DCDC, EV_RESET_HVPO, EV_RESET_MHEV, EV_RESET_OBC |
F | FERRARI, FIAT, FLYER, FUDI, FUSO, FUTIAN |
G | GAZ, GM, GWMTEST |
H | HAFEI, HANTENG, HANTENGZY, HAOQING, HCKY, HD_DEMO, HIGER_TY, HINO, HM, HMAZDA, HMAZDA_ZY, HOLDEN, HONDA, HUACHEN, HUACHENZY, HUAPU, HYUNDAIPLUS, HZKIA |
I | INDFORCE, INDIANFORCE, INDIANMAHINDRA, INDIANMARUTI, INDIANTATA, INDONESIADAIHATSU, IR_ICCO, IR_ICKO, IR_SAIPA, IR_CITROEN, IRKIA, IRPEUGEOT, ISUZU, IVECO, IZH |
J | JAC, JACDGNCZY, JACMINITRUCKZY, JACTY, JETOUR, JETOUR_TY, JIACHUAN_TY, JIACHUANZY, JIAO, JILIZY, JINLONG, JINLONGZY, JIQING, JIQINGZY, JMEV, JOYLONG, JOYLONGZY, JPISUZU |
K | KANDIZY, KARRY, KARRY_TY, KAWEIZY, KAWEEZY, KIA, KIAPLUS, KINGLONGTY, KINGLONGZY, KOREAHYUNDAI, KOREAKIA |
L | LANDROVER, LIEBAOZY, LIFAN, LIFANZY, LIUWEL_TY, LOTUS, LUFFENG, LUXGEN |
M | MAHINDRA, MALAYSIA PERODUA, MALAYSIA PROTON, MARUTI, MASERATI, MAXUS, MAZDA, MCLAREN, MEIYA, MITSUBISHI, MOBDECU, MULODO, MVM, MYHRTY, MYHRZY, MYXKTY, MYXINCHAN |
N | NJYWKTY, NLMZY |
O | OBFCM, OMODAZY, OPEL |
P | PAZ, PERODUA, PEUGEOT, PORSCHE, PROTON |
Q | QIRUI, QIRUI_TY, QIRUIXNY_TY, QIRUIXNYZY, QOROS, QRWH_TY |
R | RAVON, RELY, RELY_TY, RENAULT, RESET_DIVISION, RESETACINJ, RESETAFS, RESETBAT, RESETBATBOX, RESETBMS, RESETBOX, RESETCLUTCH, RESETCOOLANT, RESETDPF, RESETECU, RESETEGT, RESETFPBM, RESETFRM, RESETFUEL, RESETGATE, RESETGATEGR, RESETGPF, RESETHOLVBAT, RESETICCS, RESETIMMO, RESETINJEC, RESETLANGUAGE, RESETMULODO, RESETNOXSENSOR, RESETOOD, RESETPSUN, RESETRESTRAI, RESETTPMS, RESETTURBO, RESETTYRE, RESETWINDOW, RIICH, RIICH_TY, ROVER |
S | SAAB, SAICMG, SAICROEWE, SAIPA, SEAT, SGMW, SHENLONGZY, SHUANGHUAN, SHUGUANGZY, SKODA, SKYWELLZY, SMART, SPARK_TY, SPORTEQUIP, SPRINTER, SSANGYONG, SUBARU, SUZUKI, SWM |
T | TATA, TC_CHERYZY, TC_EXEEDZY, TC_SANNAZY, TESLA, TIANMA, TIGER, TIYQZY, TIYQZHY, TOYOTA, TPMS, TPMSRELEARN, TRUMPCHI |
U | UAZ, USAFORD |
V | VAZ, VINFAST, VOLVO, VW |
W | WANFENG, XGHC, XIALI, XINKAI, XINJIANG |
Y | YANGZI, YINXIANG, YONGYUAN, YUEJINZY |
Z | ZAZ, ZHENGZHOUZHAOMADA, ZHIDAOZY, ZHIDOU, ZHUIHUNZY, ZHUINZY, ZHONGSHUN, ZHONGTAIZY, ZHONGXING, ZHONGXINGZHY, ZZMAZDA, ZZNISSAN, ZZNISSANZY |
Advanced Truck Diagnostics with Additional License
With an additional license, eDiag Plus can also perform full diagnostics on trucks and heavy vehicles, making it perfect for professional auto mechanics and auto services handling commercial fleets.
Supported truck brands include:
Alphabet | Brands |
A | ANKAI, AGCO, AISIN, ALLEGRO, ASTRA, AUTOCAR, ATLAS, ASV, HD_ABS, HD_BATTISTI, HD_BCI, HD_BENZ, BHARATBENZ, BLUEBIRD, BONLUCK, BOSCH_HD, BRANSON, BREMACH, CAPACITY, CATERPILLAR, CHALLENGER, CHAMPION, CHANGAN, CHANGCHAI, CHAOCHAI, CHAOCHAIZY, CLAVAL, CLOOINS, COACH, COACHMENRV, COBUS, CREDO, CRUSADER, CTRUCKTY, DAMON, DATAOPTIMIZE, DAYUN, DEMO_HD, DETROIT, DEUTZ, DFAC, DFLZ, DINA, DITCH_WITCH, DOOSAN |
C | CUMMINS, CAMC, CRUCKZY |
D | DACHAI, DAF, DELPHI, DENSO_DIESEL, DIESEL |
D | DS_CHANGCHENG, DS_CHRYSLER, DS_CITROEN, DS_FIAT, DS_GM, DS_JACTY, DS_MAXUS, DS_MAZDA, DS_MITSUBISHI, DS_NISSAN, DS_NJYWKTY, DS_OPEL, DS_PEUGEOT, DS_SAICMG, DS_SAICROEWE, DS_SPRINTER, DS_TOYOTA, DS_USAFORD, DS_ZHONGXING, DS_ZZNISSAN |
E | EV_DFAC, EV_HD_CQISUZU, EV_HD_FLYER, EV_HD_FOTON, EV_HD_GEELY, EV_HD_JMC, EV_HD_MAN, EV_HD_RENAULT, EV_HD_SCANIA, EV_HD_SUNLONG, EV_HD_VOLVO, EV_HD_WEICHAI |
F | FAWJIEFANG, FOTONAUMAN |
H | HD_HIGER, HD_HINO, HD_HITACHI, HD_HYUNDAI, HD_IC, HD_INTERNATIONAL, HD_IRISBUS, HD_IRIZAR, HD_ISUZU, HD_IVECO, HD_JAC_HEAVY, HD_JAC_LIGHT, HD_JAC_MEDIUM, HD_JAYCO, HD_JCB, HD_JINBEIQIK, HD_JMC, HD_JOHNDEERE, HD_KALMAR, HD_KAMAZ, HD_KARRY, HD_KARRYTRUCK, HD_KENWORTH, HD_KINGLONG, HD_KME, HD_KNORR, HD_KOBELCO, HD_KOHLER, HD_KOMATSU, HD_KUBOTA |
L | HD_LAFRANCE, HD_LAIDONG, HD_LEEBOY, HD_LIEBHERR |
M | HD_MAC_DON, HD_MACHINERY, HD_MAHINDRA, HD_MAXXFORCE, HD_MAZ, HD_MCCORMICK, HD_MCI, HD_MILLER, HD_MONACO, HD_MOTORHOME, MACK |
N | NJYWK |
P | PERKINS |
S | SCANIA, SHACMAN, SHANGCHAI, SHANGHAIHINO, SHAOLINAUTO, SIEMENS_DIESEL, SILVERBUS, SINOTRUK |
U | UD |
W | WP_DIESEL |
Y | YAXING, YUCHAI, YUNNEI, YUTONG |
Advanced Truck Functions:
- Read and clear DTC codes on trucks and heavy-duty vehicles.
- Reset DPF, BMS, HVPO, OBC, and other critical modules.
- Voltage conversion allows diagnostics on 24V systems.
- Designed for auto mechanics and auto services specializing in truck diagnostics.
Conclusion
Ediag Plus provides a professional, complete, and reliable solution for car diagnostics and truck diagnostics. With ProDiag software support, automatic protocol recognition, multivolt capabilities, and optional additional licenses for trucks, it is the ideal tool for auto mechanics and auto services looking for efficient, advanced, and accurate diagnostics.