With over a decade of heavy-duty remapping experience and a global network of more than 300 trained and authorised agents, we deliver Renault-specific calibrations that improve power, torque and fuel efficiency
Tough Practical Trucks Made Better
Renault Trucks has been building commercial vehicles out of Lyon since the 1890s, and the brand has earned its place on UK roads through decades of producing tough, practical trucks that get the job done. From the T High on long-haul tractor work to the D and D Wide handling urban and regional distribution, and the C and K ranges built for construction and off-road, Renault offers a lineup that covers virtually every transport application. That breadth, combined with a well-proven engine range shared across multiple models, makes Renault trucks particularly well-suited to ECU remapping.
Dependable Performance Improvements
Our R&D team has developed calibrations for the full range of Renault Trucks diesel engines, from the 5.1-litre DTI 5 through the 7.7-litre DTI 8 and 11-litre DTI 11 to the 12.8-litre DTI 13 that powers the T and T High. With over a decade of heavy-duty remapping experience and a global network of more than 300 trained and authorised agents, we deliver Renault-specific calibrations that improve power, torque and fuel efficiency without compromising the reliability your operation depends on.
The Smart Business Case For Renault Trucks Remapping
Fuel is the single largest operating cost for any transport business, and even a modest reduction in consumption makes a real difference across a fleet. Our Renault Trucks remaps are calibrated to improve combustion efficiency across the DTI engine range, which means your trucks use less diesel to do the same work. For a haulier running T or T High tractors on long-haul work, or a fleet of D-Series rigids on regional distribution, that translates directly into lower cost per mile and fewer stops at the pump. We typically see fuel savings of between 5% and 15%, depending on the engine variant, load profile and driving conditions. The biggest improvements tend to come from trucks that are working hardest, particularly underpowered Renaults hauling heavy loads along A roads where the engine is constantly under strain. A D-Series 280 pulling close to its gross weight on cross-country routes, for example, has more to gain than a lightly loaded T High cruising at steady speed. Those savings compound quickly when you multiply them across every truck in your operation.
We typically see fuel savings of between 5% and 15%, depending on the engine variant, load profile and driving conditions.
Fuel economy is only part of the picture. A remapped Renault delivers more torque lower in the rev range, which changes the way the truck behaves under load. The DTI 13 in a T480 already has a broad torque band, but a remap extends it further, so hills that used to mean the Optidriver hunting for a lower gear become less of an interruption. Overtaking with a full trailer feels more confident. Drivers report a smoother, more responsive experience overall, and a driver who is not fighting the truck stays fresher for longer. That has real implications for fleet managers thinking about fatigue management and staff retention.
If you’re running one or two Renaults rather than a fleet, the same benefits apply on a more personal level. Your truck already performs well, but a remap unlocks the power and torque the factory map leaves on the table. Long runs feel less laboured, loaded pulls are noticeably stronger, and the fuel savings help offset running costs that are only going up.
We understand that any modification to a working truck must make commercial sense and be safe. Our Renault Trucks remaps are developed by our UK-based R&D team with the specific operating parameters of each DTI engine platform in mind. We never push an engine beyond what the hardware can safely handle, and every remap comes with a lifetime software warranty. Before we touch a truck, we run a full diagnostic health check to confirm everything is in good working order. Your original map is backed up to a dedicated server, so the process is fully reversible at any point.
Understanding Renault Trucks Engine Platforms
Renault Trucks, a subsidiary of the Volvo Group having been acquired by Volvo in 2001, builds its range around four diesel engine families, each developed in-house and shared across multiple models and applications. For remapping purposes, this is important. The same DTI 13 that powers a T High long-haul tractor also powers the C-series construction truck and the K-series tipper, tuned to different outputs by the factory but built on identical hardware. That means our R&D team can develop deep expertise in each engine platform and apply it across every model that uses it.
Realising Full Potential
The 5.1-litre DTI 5 is a four-cylinder unit producing between 210 and 240hp, paired with the D-series for urban delivery and lighter distribution work. It is a compact engine designed for trucks operating at lower gross weights, but it responds well to recalibration, particularly for operators running close to capacity on stop-start routes. The 7.7-litre DTI 8 is a six-cylinder engine offering 250, 280 and 320hp, and it sits in the D Wide and some C-series configurations. This is the engine you will find in a lot of regional distribution fleets, and it is one where remapping makes a noticeable difference to loaded performance. A D-Series 280 running the DTI 8, for example, goes from 280hp and 1,050Nm to 322hp and 1,239Nm after remapping.
The 11-litre DTI 11 covers the middle of the range with outputs of 380, 430 and 460hp. It pairs with the T-series for regional and long-distance haulage and with the C-series for heavier construction and distribution work. This is a versatile engine that Renault uses across a wide range of applications, and the factory calibrations are set conservatively to accommodate all of them. The 12.8-litre DTI 13 is the flagship, available at 440, 480 and 520hp with torque up to 2,550Nm. It powers the T and T High on long-haul work and the K-series on the heaviest construction applications. Renault also offers the DE13 Turbo Compound variant on the T and T High, which uses an additional turbine downstream of the turbocharger to recover energy from the exhaust gases. Our remaps for the DTI 13 range deliver substantial gains. A T-Series 520 running the DTI 13 moves from 520hp and 2,550Nm to 598hp and 3,009Nm, while a K-Series 440 goes from 440hp and 2,200Nm to 506hp and 2,596Nm.
Like most truck manufacturers, Renault uses the same physical engine block across multiple power ratings within each family. A DTI 13 rated at 440hp from the factory shares its core architecture with the 520hp version at the top of the range. The difference in output is largely down to software calibration, not hardware. The fuel maps, injection timing, boost pressure targets and torque limiters are all set conservatively to allow the same engine to operate reliably across a broad range of climates and conditions. That built-in headroom is exactly what makes Renault trucks so receptive to remapping. The hardware is already engineered to handle more than the factory map requires.
Our remaps for Renault trucks deliver real, measurable gains across the range. Here are some examples:
In every case, these gains are achieved within the safe operating limits of the engine and drivetrain, with no compromise to long-term reliability.
Can’t find your model? Our R&D team are constantly developing remaps for the latest generation of Renault trucks. Contact us to discuss your requirements, and we’ll let you know what we can do.
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How We Remap Your Renault Trucks
Initial Diagnostics
Most of our Renault Trucks remapping work is carried out at your premises by one of our trained and authorised agents. Whether you’re operating out of a haulage depot, a distribution centre or a workshop, we come to you. Your trucks stay on-site, and the disruption to your operation is minimal.
Original Map Saved
Our agent network covers the UK and extends internationally, so wherever your fleet is based, there’s likely an authorised Avon Tuning HD installer within reach. Every agent in our network has completed our training programme and works with our UK-developed remap files, so you get the same quality of calibration regardless of location.
New Map Installed
For operators based in the South West or not too far from Bristol, you’re also welcome to bring your Renault to our HQ. We have full dyno testing facilities on-site for smaller commercial vehicles, including Dimsport dynamometers, and you get direct access to the R&D team that developed the calibration for your truck.
Phased Fleet Rollout
For fleet operators running multiple Renault trucks, we can schedule remaps across your fleet in phases to avoid taking too many vehicles out of service at once. If you’d like to start with one or two trucks to see the results before committing to the rest of the fleet, that works too.
Flexible Service For Renault Trucks Operators
Most of our Renault Trucks remapping work is carried out at your premises by one of our trained and authorised agents. Whether you’re operating out of a haulage depot, a distribution centre or a workshop, we come to you. Your trucks stay on-site, and the disruption to your operation is minimal.
Our agent network covers the UK and extends internationally, so wherever your fleet is based, there’s likely an authorised Avon Tuning HD installer within reach. Every agent in our network has completed our training programme and works with our UK-developed remap files, so you get the same quality of calibration regardless of location.
For operators based in the South West or not too far from Bristol, you’re also welcome to bring your Renault to our HQ. We have full dyno testing facilities on-site for smaller commercial vehicles, including Dimsport dynamometers, and you get direct access to the R&D team that developed the calibration for your truck.
For fleet operators running multiple Renault trucks, we can schedule remaps across your fleet in phases to avoid taking too many vehicles out of service at once. If you’d like to start with one or two trucks to see the results before committing to the rest of the fleet, that works too.
Become An Authorised Renault Trucks Remapping Agent
Demand for HGV remapping is growing. Fleet operators and owner-operators are increasingly looking for reliable ways to reduce fuel costs and improve the performance of their trucks, and Renault is one of the most common brands on UK roads.
If you’re a qualified engineer or workshop owner, adding Renault Trucks remapping to your service offering is a genuine business opportunity.
Our agents are backed by our engineers, who develop every remap file in-house. You get access to our full range of Renault Trucks calibrations covering the DTI 5, DTI 8, DTI 11 and DTI 13 engine families, along with comprehensive training and ongoing technical support. We also supply Dimsport dynamometers, widely regarded as the best available, and as the sole UK distributor, we can offer preferential rates to agents in our network.
Joining the Avon Tuning HD network means you’re not building a remapping business from scratch. You’re plugging into an established brand with over a decade of heavy-duty experience, a proven range of calibrations, and the infrastructure to support your growth.
Trusted By Fleets Across The UK
We’ve been developing heavy-duty remaps since 2010, and in that time, we’ve built a reputation for delivering calibrations that work and engines that stay reliable. Our network has grown to over 300 authorised agents worldwide. Every remap comes with a lifetime software warranty, and all of our files are developed by our UK-based R&D team at our headquarters near Bristol.
We are also the sole UK distributor for Dimsport dynamometers, the industry standard for heavy-duty dyno testing. That partnership gives both our team and our agents access to the most accurate testing equipment available, which feeds directly into the quality of our remap files.
Common Questions About Renault Trucks Remapping
Renault Trucks’ standard warranty terms do not account for aftermarket ECU modifications, so a remap could affect your warranty status on drivetrain claims. In practice, many operators remap trucks that are already outside the warranty period or weigh the fuel savings against the remaining warranty value. We always recommend checking your specific warranty terms before proceeding, and we’re happy to discuss this with you.
The remap itself is typically completed within a few hours, including the diagnostic health check beforehand and verification afterwards. Most work is carried out at your premises by one of our authorised agents, so there’s no need to transport the truck anywhere. If you’re based near our HQ just outside Bristol, you can also bring your truck to us directly.
Our remaps are developed with the specific operating parameters of each Renault Trucks engine platform in mind, from the DTI 5 through to the DTI 13. We work within the safe limits of the hardware, and the gains we achieve reflect headroom that Renault has already engineered into the engine. Every remap comes with a lifetime software warranty, and your original factory map is backed up so we can restore it at any time.
This depends on the engine variant, load profile, driving style and operating conditions. We typically see savings of between 5% and 15%, with the biggest improvements coming from underpowered trucks hauling heavy loads along A roads where the engine is working hardest. The additional torque also means drivers can use less throttle to maintain speed under load, which contributes to lower consumption over time.
Yes. Our agents carry out all HGV work at your premises, and we can phase the remaps across your fleet so that you’re never taking too many trucks off the road at once. Some fleet operators prefer to start with a couple of trucks and evaluate the results before rolling out across the rest of the fleet.
We have over 300 authorised agents across the UK and internationally. Use our agent locator to find your nearest installer, or contact us, and we’ll connect you with an agent who covers your area.
Yes. We back up your original factory map to a dedicated server before making any changes. If you ever want to revert to the standard Renault Trucks calibration, we can restore it at no additional cost.
Renault Trucks Remap Catalogue
The table below shows every Renault Trucks model and engine variant currently on our tuning platform, with stock and remapped power and torque figures. Click any model to see full details.
This table is populated from our tuning platform. If your Renault Trucks model isn’t listed here, contact our R&D team to discuss a custom remap. We develop bespoke calibrations for every variant.
70 engines available
No engines match your search.
Ready To Get More From Your Renault Trucks?
Whether you’re running a single Renault or managing a mixed fleet of T-Series tractors, D-Series rigids and K-Series tippers, our remaps deliver improved power, torque and fuel efficiency with no compromise to reliability.
Every remap is developed by our experts, installed at your premises by a trained agent, and backed by a lifetime software warranty.