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ECU Tool Reworking

KESS & KTAG Clone Reworking

Professionally reworked tools built for flexibility, reduced running costs and freedom to use your preferred tuner or tune files yourself.

No Subscriptions No Tokens No Annual Fees Software On Disc UK Support
Professional ECU Tool Packages

KESS / KTAG Hardware Features

Clear product information for customers buying ECU programming hardware through CRF Tuning.

Genuine Reworked PCB Quality-tested hardware based on genuine PCB designs and reworked for the supplied software package.
Fully Tested Each unit is checked prior to dispatch to help ensure reliable operation and functionality.
Software Included Supplied with the required software package, driver package and setup information.
UK Support Setup assistance and after-sales support available from CRF Tuning.
Why Choose CRF

Why Our KESS & KTAG Tools Are Different

Built From Genuine Slave PCB Hardware

Unlike many clone tools on the market, our reworked KESS and KTAG units are built using genuine KESS slave PCB hardware as the foundation.

Our reworking process involves replacing specific components within the tool, allowing the hardware to operate reliably with clone software while removing the limitations commonly associated with subscription-based systems.

Benefits

  • No annual subscriptions
  • No token restrictions
  • No ongoing usage fees
  • Lifetime use of the supplied software
  • Read and write ECUs without recurring costs
  • Software supplied on disc and ready to install

Freedom To Choose Your Tuner

Many original slave tools are locked to a single master tuner, meaning you can only read and write files through that specific provider.

  • Tune files yourself
  • Use any tuner of your choice
  • Work with multiple tuning providers
  • Build your own tuning business without being tied to a single supplier

Quality Assurance

Every unit is professionally reworked, tested and verified before dispatch to ensure reliable operation and compatibility with the supplied software.

UK support is available after purchase should you require assistance with installation or setup.

Full Payment Products

Product Cards

KESS/KTAG products are paid in full. No deposits are taken for these items.

Postage & packaging: £12.50 is added automatically at checkout for KESS/KTAG sales.

Pre-order notice: KESS/KTAG units are supplied on a pre-order basis and can take up to 10 days to receive.

Direct PayPal Order Now prices include the 20% PayPal/Card increase. Bank transfer remains the standard product price through the basket checkout.

KESS Master Version
Most Popular

KESS Master Version

Reworked KESS tool using genuine slave PCB foundation. Supplied with KSuite 2.80 software and firmware 5.017 for OBD ECU reading and writing.

£220
  • Software supplied on disc
  • No tokens or subscriptions
  • Freedom to use any tuner
  • Optional USB upgrade +£15
View supported ECU list

KESS V2 5.017 / KSuite supported ECU & transmission families include:

Bosch diesel: EDC15, EDC16 (including C31, C34, C35, C39, U1, U31/U34 and related variants), EDC17 (including C06, C19, C41, C46, C49, CP02, CP04/CP14, CP09, CP18, CP22, CP44 and related Tricore variants), EDC7C1/C2, EDC7UC31 and EDC17CV41.

Bosch petrol: ME7 / ME7.1 / ME7.1.1 / ME7.3.1 / ME7.4.5 / ME7.5.x / ME7.8.x / ME7.9.x, ME9 / ME9.2 / ME9.6 / ME9.7, MED9.x, MED17.x, MEV17.x and MEV9.4.6.

Siemens / Continental: MS41, MS42, MS43, MS45, MSD80/81/85, MSV70/80, MSS50/52/54/60/65, SID201, SID204, SID206, SID801, SID803/803A, SID804, SIM2K, SIMK43, SIMOS/PCR2.1 and selected Continental diesel/petrol systems.

Delphi: DDCR, DCM1.2, DCM3.2, DCM3.4, DCM3.5, DCM3.7, CRD2.x, DMCI and selected Delphi diesel systems.

Magneti Marelli: IAW 4xx/5xx/6xx/7xx families, MJD6F3, MJ8DF/MJ8F3, 7GF, 8DS, 8GMF, 8GSF and MJT 1300.

Denso / Mitsubishi / other: selected Denso SH705x diesel and petrol ECUs, Mitsubishi systems, Valeo/Sagem systems, Motorola/Continental Cummins ECUs, Caterpillar ADEM III/IV and selected truck/tractor ECUs.

Gearboxes: selected DSG DQ200, DQ250 and DQ500 transmission controllers.

This is an ECU/protocol list rather than a brand-only list. Coverage varies by exact ECU hardware/software, vehicle year and protocol; some listed families may be ID/write-only or require a different operating mode. Contact CRF Tuning with the ECU part number/label before ordering if compatibility is critical.

KTAG Master Version

KTAG Master Version

Reworked KTAG tool for bench and boot mode ECU work. Supplied with KSuite 2.25 software and firmware 7.020 for supported bench, boot and BDM programming.

£240
  • Software supplied on disc
  • Bench/boot mode support
  • No ongoing fees
  • Optional USB upgrade +£15
View supported ECU list

KTAG 7.020 / KSuite supported ECU families include:

Bosch EDC: EDC16 C31/C35/C39/C8/C-C2/CP31/CP35/CP36 and related EDC16 variants; EDC17 C06, C08, C19, C41, C43, C46, CP01, CP02, CP04/CP14, CP09, CP10, CP15, CP18, CP22, CP27, CP44, EDC17CV41 and other supported Tricore EDC17 families; EDC7C1/C2 and EDC7UC31.

Bosch petrol: ME7.4.5, ME7.5.x, ME7.6.4, ME7.7, ME7.8/7.8.2, ME7.9.x, ME9.6/9.6.1/9.7, MED7.x, MED9.x, MED17.1.1/17.1.6, MED17.4/MEV17.4, MEV17.4.2, MED17.5/17.5.5, MED17.7.1/17.7.3, MEV9.4.6 and related Tricore families.

Delphi: DCM3.2, DCM3.4, DCM3.5, DCM3.5-CRD2, DCM3.7, CRD2.xx, MPC555 and DMCI.

Siemens / Continental: SID201, SID204, SID801, SID803/803A, SID804, SIM2K/SIM2K-47, SIMK43, SIMOS 6.2/6.3, SDI6 and selected Continental/Cummins controllers.

Magneti Marelli: IAW 4AF, 4AM, 4AVP, 4BV, 4CF, 4DF, 4GF, 4GV, 4HV, 4TV, 5SF, 6KPB, 6LP, 7GF, 8DS, 8GMF, 8GSF, MJD6F3, MJ8DF/MJ8F3 and MJT 1300.

Denso: SH7055/SH7058/SH7059 based systems including selected Opel 1.7 diesel, Suzuki 057L1/062J0/79J2, Nissan/Renault D3, Subaru CJ/DM/DT, Mazda RF/R2 and Mitsubishi 4D56 applications.

Other supported families: Valeo V34P/V40/S3000, Sagem S3000, Johnson/Valeo, Visteon DCU102, Chrysler NGC4/NGC5, Mitsubishi MH72xx/MH81xx/MH83xx, TRW EMS2, Caterpillar ADEM III, Cummins/Continental systems and selected marine, motorcycle, truck and agricultural ECUs.

Programming modes represented: BDM Motorola MPC5xx, J-TAG Nexus MPC5xx, J-TAG Renesas SH705x and Infineon Tricore bootloader protocols.

KTAG support is ECU/protocol specific and some ECUs require the correct adapter or accessories kit. Contact CRF Tuning with the ECU part number or a clear ECU label photo before ordering if you need exact compatibility confirmed.

KTAG Accessories Kit

KTAG Accessories Kit

Accessory kit to help read/write almost any ECU provided in KTAG software.

£150
  • BDM Frame with LED
  • 4x Probes
  • 20x PCB Adapter Boards
  • Multiple ribbon cables

USB Upgrade

USB Upgrade

Optional USB upgrade for software/tool supply.

£15
  • Optional add-on
  • Available with each tool
  • Recommended upgrade

What's Included

  • Reworked and tested tool
  • Software supplied on disc as standard
  • Optional USB upgrade available for only £15
  • Installation and setup files included
  • Ready to use out of the box
  • UK based technical support
  • No subscriptions, tokens or annual fees

Payment Options

KESS/KTAG products are paid in full. No deposits are taken for these items.

PayPal

Add items to your basket and checkout on the basket page.

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Bank Transfer

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Software Downloads

KESS / KTAG Software

Download the supplied software package for your tool.

KESS 2.80

KESS 2.80 software package and setup files.

Download KESS 2.80