Obdii365.com provides free WinOLS 4.70 program for ecu programmers (kess v2, pcmtuner, kt200 etc) checksum correction.
 
Free Download WinOLS 4.70

  Here is the tutorial with component identification for UCH N1 / N2 / N3 based on repair experience with these units.
 
Symptoms:

  Here is the official guide to update KT200/KTM200/ECUTuner ecu programmer software.
 
KT200 will prompt new version available when there is a new version. Press OK and follow steps below to run an upgrade.

There is no 3rd revision KT200 PCB. The picture with no green pcb board was an unprocessed pcb. All devices included green small pcb (decrypt module).
 
So the rework will be applied to version 2 with the green small PCB on the top of ...

  Audi A4 B8.5 2015 2.0TDI EDC17C64 KT200 ecu programmer automatically virtual read 10 seconds without problem.
VIRTUAL READ + write OBD. write/checksum – ok, no problem 10 min.
100% honest and sure. Virtual read 100%, compared fil...

  This is common on Mercedes Benz crd3p.b0, crd3p.e1 and other crd3 ECUs. After writing file with wrong checksum, car start but only once, after you turn ignition off and on it’s continuously off and on 87 kl. relay.
 
To fix thi...

 CG FC200 ECU programmer released new software version 1.0.9.0 on Oct. 19th 2022.
 
CG FC200 Software V1.0.9.0  NEW

  Does KT200 ecu programmer read and write GM/Opel Delco E98 ECU? and if yes how it reads boot, OBD or bench?
 
Yes, KT200 does Delco E98 without problem. Bench mode is recommended and it is faster. Some users also tested working in OB...

 Here is the guide to read BOSCH EDC17 CV41 [ 1797 ] - [Diesel] Challenger, Claas, Isuzu, Iveco, JCB, Man, Massey Fergusson, New Holland, Valtra ECU with KT200.
CV41 has 2 possible S1 S2 pinouts for GPT. Connect the multi-function cable ...

  There are three ways to read BMW MSV80 MSV90 MSD85 MSD81 MSD80 etc DME ISN with Yanhua Mini ACDP,
Open DME shell to read ISN
OBD/CAN mode

  New test feedback: Renault Premium truck 420 dCi common rail engine with ecu Bosch MS6.3 read and write OK with KT200 full ecu programmer.
Select Driver : Truck OBD – Renault MS6.3
Search pinout under manual

 Symptoms:
It is a common phenomenon that Mercedes Benz Vito/Viano, W636/W639 doesn’t show mileage at all after replacing second-hand instrument cluster.
Cluster (new type ) Eeprom: 25LC640 (25640)