About ECUFLASH
ECU Remapping & Commercial Vehicle Programming Specialists. Operating since 2004 from our Doncaster headquarters, providing dealer-level diagnostics and calibration across the UK.
Over 20 years of ECU tuning and commercial vehicle programming
ECUFLASH started with car and van remapping and developed steadily into specialist commercial vehicle and agricultural work as the industry moved to more complex engine management systems. That progression means the experience is earned rather than claimed — built across every generation of diesel ECU technology from late-OBD-II through to current Euro 6 and Stage V platforms.

Cars & Vans
Stage 1 remapping for verified petrol and diesel vehicles. Diesel-only economy remapping, with Stage 2 and speed limiter programming assessed by enquiry. EGR services for petrol and diesel; DPF and AdBlue services for diesel.

Trucks & HGVs
DAF, Scania, Volvo, Renault Trucks, Mercedes-Benz, MAN, Iveco. ECU remapping, speed limiter programming, AdBlue/SCR diagnostics, tag and tandem axle setup.

Tractors & Agricultural
John Deere, Case IH, New Holland, Fendt, Claas, Massey Ferguson. Power optimisation, Stage V SCR diagnostics, and ECU programming for tractors, combines, telehandlers, and heavy plant.

Remote & Mobile
A large proportion of our commercial vehicle programming is carried out remotely — our secure interface is posted to you anywhere in the UK. Mobile visits for vehicles that cannot travel to Doncaster.
Diagnostic Tools in Use
Over 20 Years of ECU Experience
ECUFLASH Ltd has been operating since 2004, making us one of the longest-established ECU remapping and commercial vehicle programming specialists in the UK. What began as a car and van remapping service has grown into a specialist commercial vehicle operation covering trucks, tractors, HGVs and agricultural machinery.
We work across the full range of vehicle types — from cars and light vans through to heavy trucks and agricultural equipment. Our commercial vehicle work spans the major European truck manufacturers including DAF, Scania, Volvo, Renault Trucks, Mercedes-Benz, MAN and Iveco, and we carry genuine dealer-level diagnostic equipment for each.
Dealer-Level Diagnostic Capability
Accurate diagnosis is the foundation of any ECU or programming work. We invest in the same diagnostic tools used by manufacturer main dealers — DAF DAVIE, Scania SDP3, Volvo Premium Tech Tool, and equivalent systems for other makes. This means we can read and clear fault codes accurately, run actuator and live data tests, and confirm the root cause of a fault before any programming work is carried out.
This matters particularly for AdBlue and SCR system faults, where a NOx sensor fault code may be caused by any one of several underlying issues. Programming or replacing components without proper diagnosis leads to wasted time and expense.
Remote Programming Service
ECUFLASH operates a remote ECU programming service which allows us to carry out complex programming procedures on vehicles anywhere in the UK without them needing to travel to our Doncaster workshop. We send a supplied programming tablet and connection equipment by post. The customer opens the box, switches on the tablet, connects it to the vehicle OBD port, and turns the ignition on or off when instructed. We complete the programming and the equipment is returned.
What We Work On
HGVs & Trucks
DAF, Scania, Volvo, Renault, Mercedes, MAN, Iveco
Agricultural Machinery
Tractors, combines, telehandlers
Cars & Vans
All makes, diesel and petrol
Remote Programming
Nationwide via our post-out tool service
Our Services
- ECU Remapping — Performance & Economy
- AdBlue & SCR Diagnostics
- Speed Limiter Programming
- EGR & DPF Services
- ECU Recovery & Programming
- Air Suspension Programming
- Tag & Tandem Axle Programming
- Remote Programming (Nationwide)
- Commercial Vehicle Diagnostics
Find Us
ECUFLASH Ltd
Park Drive
Doncaster, DN5 7LA
Mon–Fri: 8am–5pm
Sat: 9am–1pm
Get a Quote
Call us on 01302 20202907929 765432 or use our online enquiry form.
