How VVDI PROG Unlock and Write Dump to PCF7937 Key?

 

In this article we are going to reset a PCF7937 key using VVDI PROG Software.

How Vvdi Prog Unlock And Write Dump To Pcf7937 Key 0

Original key is PCF7937 and locked in VVDI2 Software.

How Vvdi Prog Unlock And Write Dump To Pcf7937 Key 1

Direct connect VVDI PROG to key chip using PCF79XX Adapter.

How Vvdi Prog Unlock And Write Dump To Pcf7937 Key 2

Select 2-MCU>>NXP-PCF79XX>>PCF7941_IN-CIRCUIT

Read Chip.

Chip is encrypted.

How Vvdi Prog Unlock And Write Dump To Pcf7937 Key 3

Click "Reset Protect" to unlock data.

How Vvdi Prog Unlock And Write Dump To Pcf7937 Key 4

Read again.

How Vvdi Prog Unlock And Write Dump To Pcf7937 Key 5

Load new EEPROM data.

How Vvdi Prog Unlock And Write Dump To Pcf7937 Key 6

Set protect again.

How Vvdi Prog Unlock And Write Dump To Pcf7937 Key 7

Done! Key is unlocked.

How Vvdi Prog Unlock And Write Dump To Pcf7937 Key 8

http://blog.xhorsevvdi.com/how-vvdi-prog-unlock-and-write-dump-to-pcf7937-key/

Comments

Post a Comment

Popular posts from this blog

How to choose VVDI Prog vs Multi-Prog?

Image
  Xhorse Multi-prog is new released tool, 2nd generation of VVDI Prog, multi-prog can fully replace of VVDI Prog. Then what is the difference of VVDI Prog and Multi Prog? Multi Prog New Features: With MQB48 license , if you hav Key Tool Plus, VVDI2, no need activate again, bind with same account, can share MQB48 function to Key tool plus or vvdi2. With BMW BENCH READ ISN. Read, write and Clone ECU Read and write and Clone Gearbox TCU Adds Vehicle Engine Data Calculation and Processing (MEDC17, EDC17) Adds checksum correction function Adds data comparison function. Support to write ISN. VVDI Prog not. Support Flexible Extension of third-party Plug-ins : It has released interface support for third-party developers and supports plug-ins developed by third-party developers. In the future, not only the functions developed by VVDI can be used, but also functions developed by 3rd party can be used. Update online directly , no need download software when new software release. The tablet its
Read more

Free Download V5.3.2 VVDI Prog Software Modify FAW Qilin VH

Image
  V5.3.2 VVDI Prog software is released now, get free download link V5.3.2 VVDI Prog software from XhorseVVDI.com . 1.Free Download V5.3.2 VVDI Prog Software V5.3.2 VVDI PROG Password:  123456   2.V5.3.2 VVDI Prog Update Info v5.3.2 (2023-12-11) * This version DON't need update firmware * Optimization of ISN calculation for some ECU modules. * VW MQB dashboard process optimization. * BMW CAS4, Porsche BCM,  Land Rover RFA options adapter detected illegal repair * Modify ENGINE-341option in <3-ECU>-><Hyundai>: Optimize the process and Wiring diagram update. * Modify PIC12F1822 option in <2-MCU>-><MICROCHIP-PIC12F>: Wiring diagram update. * Modify XINGMA 315 option in <8-OTHER>-><CAMC>: Optimize the process and Wiring diagram update. * Modify QILIN VH option in <8-OTHER>-><FAW>: Optimize the process and Wiring diagram update. * Modify YingJie 500 315, ZhuHong 500 315 option in <8-OTHER>-><SANY>: Optimize th
Read more

VVDI PROG 2 Multi-Prog Programmer Software Download and Support List

Image
  Xhorse Multi-Prog Programmer is the upgraded version of VVDI PROG . It will allow us to Read/ Write/ Clone ECU&TCU and Read/ Write MCU& IMMO& EEPROM& Dashboard . Free Download Multi Prog Software: V1.0.3.0 Multi-Prog (*online update to the latest version after downloading) [caption id="attachment_23100" align="alignnone" width="800"] Vvdi Prog 2nd Generation Multi Prog Software And Support List 2[/caption] Multi-Prog Programmer Support List: *To check full list, simply download Multi-PROG Software and check out all controls   1.ECU List ECU Models R/W on Bench VW series ①SIMOS PCR2.1, EDC17c64 ②BOSCH: MG1CA811 ③BOSCH: MED17.1.6, MED17.1.21, MED17.1.61, MED17.5, MED17.5.1, MED17.5.2, MED17.5.5. TC1 766, MED17.5.5_ TC1 767, MED1 7.5.20, MED1 7.5.21, MED1 7.5.25 ④BOSCH: EDC17C46, EDC17C74, EDC17CP24, EDC17CP44, EDC17CP54, EDC17U01, EDC17U05 ⑤BOSCH: MG1CS002_ SPC5777, MD1CPO14 _TC298TP, MG1CS001_ SPC5777, MG1CS011_ _SPC5777, MG1CS002_ TC
Read more