EFC
GPEC2 / GPEC2A PCM unlock file service

KESS3 GPEC2 / GPEC2A Unlock File Service

For customers who read supported GPEC files using Alientech KESS3, ECU Flash Cartel offers a straightforward unlock file service. Read your Dodge, Jeep, Chrysler, or Ram PCM with your KESS3, upload the original file, pay online, and receive the processed file to write back with KESS3 — for supported tuning preparation, where legally permitted.

KESS3 supports a broad range of protocols and connection methods (OBD, bench, and boot depending on license and ECU). We accept KESS3 reads when the dump is complete and the GPEC application is supported. If a read is partial or the protocol is not supported for a given ECU, we tell you before you are charged.

  • Nationwide file service
  • Mail-in PCM option
  • Shop / tuner friendly
  • Secure file upload
  • Fast turnaround available
  • Legal-use only
KESS3 GPEC2 / GPEC2A Unlock File Service — supported tool
Detail

Uploading a KESS3 GPEC read

When you order, upload the original read exactly as KESS3 saved it, along with a PCM label photo, VIN, part number, and the read method you used. That lets us confirm the GPEC family (GPEC2, GPEC2A, or another supported family) and that the read is valid for processing.

KESS3 coverage of any specific GPEC ECU depends on your license package, subscription, connection method, and software version. We work from the file you provide — a clean, complete read is what makes the service fast and reliable. Keep your original backup and use battery support when you write the returned file back.

No read/write tool? You can mail in your PCM and we service the physical unit directly, then ship it back.

01 · Overview

What this service does

Upload your original ECU read file and let ECU Flash Cartel process it for supported GPEC tuning preparation. Once complete, you can write the returned file back using your compatible read/write tool.

We support shops, mobile programmers, tuners, and DIY customers nationwide. If you can read the file, you can upload it. If you cannot read it, mail us the PCM.

  1. 01We process supported GPEC2 / GPEC2A ECU read files for tuning access and preparation.
  2. 02You upload the original read file.
  3. 03We return the processed file.
  4. 04You write the file back with your own supported tool.
  5. 05No tool or unreadable file? Mail in the PCM and we service it directly.
  6. 06For tuning preparation, diagnostics, repair, motorsport, and off-road use where legally permitted.
02 · Two ways to order

Choose your service option

Upload Your ECU File — Instant

Best for tuners, performance shops, mobile programmers, and customers with a supported read/write tool. Read your original ECU file, upload it, pay online ($150 GPEC2/2A · $100 IMMO-OFF), and get the processed file back in seconds.

  1. 1Read the original PCM/ECM file.
  2. 2Upload the file and PCM label photo.
  3. 3Pay online.
  4. 4We process the file.
  5. 5Download or receive the processed file.
  6. 6Write the file back using your supported tool.
Upload ECU File

Mail In Your PCM — $250

Best for customers who do not have a tuning/programming tool or cannot read the PCM. Pay $250, ship the PCM to ECU Flash Cartel, and we service the physical module and ship it back.

  1. 1Remove the PCM.
  2. 2Ship it to ECU Flash Cartel.
  3. 3We unlock / service the PCM.
  4. 4We ship it back.
  5. 5Install it and continue the tuning workflow where legally permitted.
Start Mail-In Service
03 · ECU families

Supported ECU families

GPEC2GPEC2AGPEC3GPEC4GPEC4LMGPEC5

Our main focus for this service page is GPEC2 and GPEC2A. Other GPEC families may be supported depending on tool read type, ECU software, file format, and service requested.

06 · Tools

Files accepted from supported tools

Tool coverage depends on ECU type, protocol, license package, subscription, connection method, and software version. We accept files from supported tools when the read is complete and compatible.

See the GPEC2 / GPEC2A reading hardware
07 · Before you order

What you need before ordering

Do not know if your PCM is GPEC2, GPEC2A, GPEC3, GPEC4, GPEC4LM, or GPEC5? Upload a clear photo of the PCM label with your vehicle year, make, model, engine, VIN, and tool used to read the file.

  • Original ECU/PCM read file
  • PCM label photo
  • Vehicle year, make, model, engine
  • VIN
  • PCM part number
  • Tool used to read the file
  • Read method: OBD, bench, or boot
  • Description of what you need
  • Battery support recommended when writing back

Year, make, and model alone are not enough to guarantee support. ECU family, PCM part number, software version, file format, and read method all matter.

Have everything ready? Upload your read and pay online, or mail in the PCM if you cannot read the file.

09 · Pricing

Pricing

Instant GPEC2 / GPEC2A file unlock

$150

Upload your read — file back in seconds

Get started

Instant IMMO-OFF (any supported ECU)

$100

Upload your read — file back in seconds

Get started

Mail-in PCM unlock (send your module)

$250

No tool needed — we service the physical PCM

Get started

Same-day priority file service

Starting at $299

Where available

Get started

Mail-in PCM clone

$250

Ship original + donor — VIN / immo / config cloned

Get started

Shop / tuner bulk packs

5–25% off

Pre-buy 5 / 10 / 25 files — redeem 1 credit each

Get started

Final price depends on ECU family, file type, service requested, and whether recovery or cloning is needed.

10 · FAQ

Frequently asked questions

Does KESS3 read GPEC2 and GPEC2A?
KESS3 reads many GPEC applications depending on license, protocol, and software version. Upload your read and PCM label and we confirm support.
What KESS3 read method should I use?
Use whatever method KESS3 supports for your ECU — OBD, bench, or boot. Tell us which you used so we can confirm the file is complete.
Can I write the file back with KESS3?
Yes — the processed file is returned for you to write with your own KESS3, where legally permitted. Keep a backup and use battery support.
My KESS3 read looks partial — will it work?
A partial read may not be processable. We check completeness first and tell you before charging if the file cannot be used.
Do you provide emissions delete files?
No. We do not provide emissions defeat, delete files, or services intended to bypass emissions laws. Our service is for tuning preparation, diagnostics, repair, motorsport, and off-road use where legally permitted.
Is this the same as a tune?
No. This is a PCM unlock and file-preparation service, not a tuning file. It prepares supported ECUs for the tuning workflow you run with your own tools, where legally permitted.

Legal use only

For tuning preparation, diagnostics, repair, motorsport, and off-road use where legally permitted.

We do not provide emissions defeat, delete files, or services intended to bypass emissions laws. Customer is responsible for confirming legal use in their location and application.

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