Rework Ktag Kess V2 pcb hardware-no issue

Share free solutions of reworking clone Ktag and Kess V2 ECU tuning tools to work completely like the genuine.

Original PCB in the photo … use if you have any other issues.

Replace by quality components.
Thx button would be nice.

Free for everybody!!! No more payment for this!

TRY ON YOUR OWN RISK

Part 1 – KTAG hardware rework

Ktag before rework:

ktag-pcb-1ktag-pcb-2ktag-pcb-3

Source: http://www.obdexpress.co.uk/wholesale/ktag-ecu-k-tag-programming-tool-master-unlimited-token.html

KTAG hardware rework solution:

how-to-rework-ktag

Transistors:

k6b = BC817-25 SOT-23 (in some originals)

All capacitors should be replaced with the exact same one but new

Part 2 – Kess v2 hardware rework

Kess v2 pcb before rework:

clone-kess-v2-1clone-kess-v2-2

Source: http://www.obdexpress.co.uk/wholesale/new-kess-v2-obd-tuning-kit-master-version-e.html

KESS V2 rework solution:

how-to-rework-kess-v2clone-kess-v2-3

Transistors to use :
BCR112
MMUN2113
BC817

Murata filters:
NFE61PT472C1H9L (connect ground for all of them)

Capacitors:
1uF – 35V
220uF – 10V
10uF – 16V tantalum

Fill up all holes from side to side
Use photo as reference if others components are different

From sally:

KESS V2 is a ECU programming tool that is perfect for OBD use, while KTag is perfect for Jtag, BDM and all the Boot application (tricore and ST10).

With KESS V2 you programming directly through the OBD port of the vehicle, while with Ktag (Ktag 2.13) you need to take apart the ECU and open it, after you can make the read/write operation.

Many ECU has the advantage that can be read and write from OBD port (so KESS V2 is perfect), but there are lot ECU that need to disassemble from the car and open and this is the case for all the ECU that need to be programmed with Jtag, BDM and Boot protocols, so KTAG is needed.

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