Renault LAGUNA ECU remapping
230 files available

About remapping
The Renault Laguna accounts for 230 files in our catalogue, led by the 2.0 dCi, with the 1.9 dCi and 1.5 dCi below it and the 2.0T petrol turbo alongside. It is a mid-size saloon and estate with a long production history in Europe.
Stage 1 makes up 208 files — a very clean profile — followed by 21 EGR off and 12 DPF off. The ECU range spans EDC15 on earlier units through to EDC16C3, EDC16CP33, EDC17CP58 and Siemens SID305/6.
Model highlights
- ›208 Stage 1 files of 230 total: a very clean performance profile.
- ›The 2.0 dCi is the dominant engine in the catalogue.
- ›Coverage of the 1.9 and 1.5 dCi and the 2.0T petrol turbo.
- ›ECUs including EDC15, EDC16C3, EDC16CP33, EDC17CP58 and SID305/6.
Fuel split
Engines and gains
| Engine | Fuel | Stock | Stage 1 | Stage 2 |
|---|---|---|---|---|
| 3.5i V6 | Petrol | 231 hp | 256 hp +25 | — |
| 2.0 T | Petrol | 205 hp | 235 hp +30 | — |
| 3.0 dCi | Diesel | 180 hp | 210 hp +30 | — |
| 2.0 dCi GT | Diesel | 180 hp | 208 hp +28 | — |
| 2.0 dCi Grandtour | Diesel | 173 hp | 200 hp +27 | — |
| 1.9 dCi Grandtour | Diesel | 130 hp | 161 hp +31 | — |
| 1.9 dCi | Diesel | 110 hp | 132 hp +22 | — |
Indicative figures from the technical catalogue; confirmed when you request the file.
Power curve
2.0 dCi GT
ECUs
ECU manufacturers
Available services
Remapping services
Stage 1
Optimising the original map with no hardware changes: more power and torque, full reliability.
EGR off
EGR valve management to reduce soot issues and improve response.
DPF off
Particulate filter solution: no more regenerations or blockage warnings.
Stage 2
Remap for vehicles with mechanical upgrades (intake, exhaust, intercooler…).
Speed limiter removal
Removal of the factory speed limiter.
Why remap with Repromatronic
- ✓More power and torque with engine-safe tuning
- ✓Sharper throttle response and nicer driving
- ✓Potential fuel savings in normal driving
- ✓Files built from the original and 100% reversible
- ✓Made by technicians with thousands of projects behind them
Are you a driver?
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Log in as a professionalFrequently asked questions
How does the 2.0 dCi respond?
It gains considerable mid-range flexibility from a measured map, which suits a mid-size saloon covering high mileage.
Do you cover the 2.0T petrol?
Yes, it is present in our catalogue. Being turbocharged, it offers more headroom than the diesels.
Do you cover older units with EDC15?
Yes, the earlier EDC15 units are present alongside the modern EDC16 and EDC17 families.
