Original Unit Assessed
We establish what data can be recovered first
Water Damaged, Corrupt or Failed ECU — Plug-and-Play Cloning Service
Modern vehicles store the vehicle’s identity inside the ECU and gearbox modules. When the unit fails — commonly due to water ingress, internal 5V reference circuit failure, 12V supply line faults, voltage spikes, processor damage or corrupted software — fitting a replacement module will not allow the engine to start. The immobiliser no longer recognises the vehicle because the original data is missing.
Our cloning service transfers the original internal memory from the failed module into a replacement unit. This includes immobiliser data, VIN information and learned configuration so the vehicle recognises the replacement as the factory-fitted component.
The result is true plug-and-play operation. No dealer programming, no online pairing and no additional coding required in most cases.
Even heavily damaged ECUs can often still provide readable memory. Using direct bench access methods, we extract and rebuild data from modules suffering communication loss, internal power rail faults or complete electronic failure.
Typical situations this resolves include water damaged ECUs, internal 5V reference short faults, 12V supply failure, jump start damage, corrupted updates, non-start after ECU replacement and gearbox/mechatronic replacement faults.
Once cloned, the replacement module installs and the vehicle starts normally.
ECU / TCU CLONING & DATA RECOVERY
Clone. Recover. Return Ready to Fit.
Specialist ECU and TCU cloning for failed, corrupted, water-damaged and replacement control units. We assess the original module, recover vehicle-specific data where possible and transfer it into a suitable matching donor unit.
✓ ECU Cloning
✓ TCU / Gearbox Cloning
✓ Data Recovery
✓ Failed Programming Recovery
✓ Post-In UK Wide
✓ Collection Available
Professional Bench Access
Direct ECU/TCU programming where required
Vehicle Identity Preserved
Relevant coding, immobiliser and configuration data
Nationwide Service
Post-in, arranged drop-off or collection options
MODULE RECOVERY BEFORE REPLACEMENT
A Failed ECU Does Not Always Mean the Data Is Lost.
Modern ECUs and transmission control units contain far more than basic engine or gearbox software. They may also contain immobiliser information, vehicle identity, coding, configuration, learned values and other vehicle-specific data.
When a control unit fails, replacing it with a used module alone can result in a non-start, immobiliser fault, communication errors or incorrect vehicle configuration.
Our priority is to recover the original vehicle data wherever practical.
ECU / TCU CLONING ENQUIRY
CALL / TEXT / WHATSAPP
07356 062066
EMAIL
admin@precisionremapsuk.com
Tell Us What Has Happened
Give us as much information as possible. Details such as the registration, ECU part number, previous repair attempts and the circumstances surrounding the failure can significantly speed up assessment.
!
Please send photographs of the ECU / TCU label before purchasing a donor module.
Part numbers, hardware numbers and ECU family matter. A physically similar module is not automatically a suitable cloning replacement. We can check compatibility before you purchase a donor where required.
OUR PROCESS
How ECU / TCU Cloning Works
The exact procedure depends on the control-unit family and condition, but the workflow normally follows the same three stages.
Send, Drop Off or Arrange Collection
Package the original module securely and clearly include your name, registration and contact details. Where required, collection can be quoted separately.
Assessment & Data Recovery
The original ECU or TCU is assessed for communication, power-stage faults, processor access and recoverable memory. Direct Bench or specialist recovery methods are used where appropriate.
Clone, Verify & Return
Recoverable vehicle-specific information is transferred to the suitable replacement module and the result is checked before return.
WHAT A CLONE MAY PRESERVE
More Than Just the Calibration File
Depending on the control unit, cloning can involve multiple memory areas and configuration datasets rather than simply copying the engine calibration.
COMMON RECOVERY WORK
Problems We Regularly Assess
Dead ECU / No Communication
Control unit no longer communicates after an electrical or internal failure.
Water Damage
Corrosion, short circuits or damaged internal power supplies after water ingress.
5V Reference Failure
Internal or external short circuits affecting ECU sensor-reference networks.
12V Electrical Damage
Incorrect voltage, polarity or accidental supply faults affecting control-unit electronics.
Failed Programming
ECU corrupted or left non-responsive following an interrupted or incorrect flash operation.
Used Replacement Module
Vehicle will not start or communicate correctly after fitting a donor ECU or TCU.
Gearbox / Mechatronic Replacement
TCU data transfer required when replacing compatible transmission electronics.
Original Data Preservation
Recovery of original module information before replacement wherever possible.
IMPORTANT
Not Every Control Unit Can Be Cloned 1:1
Cloning method and compatibility depend on the ECU or TCU family, processor, memory layout, security architecture and available programming support.
Some modules support direct full-data transfer. Others require adaptation, memory-specific procedures, programming or additional vehicle configuration.
We confirm the correct procedure after identifying the original and replacement module.
ECU / TCU CLONING FAQ
Common Questions
What is ECU cloning?
ECU cloning generally involves transferring the relevant software and vehicle-specific data from an original control unit into a suitable replacement unit so the replacement can operate correctly with the vehicle.
Does the donor ECU need to match?
Compatibility is important. Part number, hardware version, ECU family, processor and software architecture can all affect whether a donor is suitable. Send photographs of both labels before purchasing where possible.
Can you recover data from a dead ECU?
In many cases, yes, but this depends on the type and extent of failure. An ECU that does not communicate through the vehicle may still allow Bench, Boot or direct-memory access.
Can you clone gearbox / TCU modules?
Many supported transmission modules can be cloned or adapted, including certain DSG, automatic gearbox and mechatronic control units. Compatibility is checked individually.
Is the replacement always completely plug-and-play?
A successful 1:1 clone can often allow direct installation, but this cannot be guaranteed for every ECU or vehicle. Some platforms may require coding, adaptation, security procedures or additional setup.
Can I post the ECU to you?
Yes. Modules can be sent securely to our Burton upon Trent business address. Clearly label the package with your name, registration and contact number and contact us before posting.
PRECISION REMAPS UK
Based in Burton upon Trent. Post-In Service Across the UK.
ECU and TCU cloning, control-unit data recovery, failed programming recovery and specialist vehicle electronics are carried out from our Burton upon Trent base. Customers and trade clients can use our nationwide post-in service, with collection options available where required.
BUSINESS / POSTAL ADDRESS
Precision Remaps UK
Office 41, Curzon House
Curzon Street
Burton upon Trent
DE14 2DH
United Kingdom
HAVE A FAILED ECU OR TCU?
Send the Details. We'll Check the Recovery Options.
Send us the vehicle registration, fault symptoms and photographs of the original and replacement module labels where available.
ECU & TCU Cloning Service – Same Day Turnaround Available
At Precision Remaps UK, we specialise in professional ECU and gearbox control module cloning, helping restore vehicles suffering from non-start conditions caused by failed, water-damaged or replacement control units.
If you are within 50 miles of Burton-on-Trent, we can arrange collection of your module, clone the required data and return it the same day in most cases, helping keep vehicle downtime to a minimum.
For customers outside this radius, modules are typically completed and returned on the next working day, subject to receiving a compatible replacement unit with matching part numbers and hardware type.
Our cloning service is designed to retain the essential vehicle-specific data from the original module, including immobiliser, VIN and configuration information where supported.
Fast Recovery Options
We offer local collection and same-day return within approximately 50 miles of Burton-on-Trent. For customers outside this area, most modules are completed and dispatched the next working day to minimise vehicle downtime. Postal cloning is fully supported — you can send both the original and replacement units to us, and once cloned they are returned via tracked and signed-for first-class delivery. Every job includes a free assessment of the original ECU or TCU before cloning is carried out.
Common Problems We Fix
Typical fault codes include P1570 (ECU blocked / immobiliser active), P0513 incorrect key, P0606 ECU processor fault, P1602 power supply low voltage, P068A ECM relay fault, and communication errors like U0100 / U0101 no communication with ECU or TCU. Many cars also log P0700 transmission malfunction after mechatronic or gearbox swaps. If the vehicle suddenly stopped starting after fitting a replacement module — the identity no longer matches. Cloning transfers the original data so the car recognises the unit and starts normally again.
Areas Covered
We regularly collect and return modules across Burton upon Trent, Derby, Leicester, Birmingham, Nottingham, Loughborough and Stoke on Trent, along with surrounding areas throughout the Midlands and South Yorkshire. Nationwide postal service is available for customers outside collection distance.
Postal Cloning
Customers may send both the original and matching replacement module directly to us. In most cases the units are cloned the same day and returned using tracked and signed-for first-class delivery to reduce downtime as much as possible.
Trade & Workshop Support
We provide a dedicated ECU and transmission module cloning service for workshops where a vehicle cannot be completed due to immobiliser or module identity conflicts after replacement.
Modern vehicles store synchronised security data across multiple control units. When an ECU or gearbox module is replaced, the vehicle network rejects it because the immobiliser, VIN and configuration data no longer match. The result is typically crank-no-start, start disabled, PRNDS flashing or loss of communication faults.
Instead of waiting for manufacturer authorisation or online coding access, we recover the original module’s internal data and transfer it into a compatible replacement unit. Once refitted, the vehicle recognises the module as its original component and operates normally.
This is commonly required following accident repairs, water ingress, battery surge damage, internal power rail failure (5V reference / 12V supply), processor faults or corrupted software where the original ECU has electrically failed but the memory remains recoverable.
Secure Handling & Process Control
All modules are logged on arrival and tracked through assessment, recovery and cloning stages. Units are handled in an ESD-safe environment and protected from static discharge and contamination during bench access procedures.
Original data is read, verified and archived before transfer to prevent loss or corruption. Replacement modules are checked for compatibility prior to writing to avoid repeat failures or network conflicts.
Modules are packaged and returned securely, ready to install, removing the need for online pairing sessions or security gateway approval and allowing the repair to be completed immediately.
Typical Workshop Cases
We regularly assist with non-start after ECU replacement, gearbox or mechatronic swaps that will not engage, immobiliser active after repair, CAN communication loss, and vehicles awaiting manufacturer coding approval following insurance repairs.
Predictable turnaround reduces ramp time and prevents vehicles being left incomplete while awaiting dealer programming.
For repeat work or batch jobs, email your business details to arrange trade and bulk pricing.