Peugeot 406 ECU remapping
108 files available
About remapping
The Peugeot 406 accounts for 108 files in our catalogue, overwhelmingly the 2.0 HDi in its various output levels, with the 2.2 HDi above it and the 3.0 V6 petrol also present. It is a mid-size saloon and estate from the late 1990s and early 2000s.
Stage 1 makes up 92 files — a very clean profile — followed by just 4 EGR off. The ECU range reflects the model's age: EDC15, EDC15C2, EDC15C3 and Siemens SID801, plus MP7.2 on petrol versions.
Model highlights
- ›92 Stage 1 files of 108 total: a very clean performance profile.
- ›The 2.0 HDi is the dominant engine in the catalogue.
- ›Coverage of the 2.2 HDi and the 3.0 V6 petrol.
- ›ECUs including EDC15, EDC15C2, EDC15C3, SID801 and MP7.2.
Fuel split
Engines and gains
| Engine | Fuel | Stock | Stage 1 | Stage 2 |
|---|---|---|---|---|
| 2.0 16v | Petrol | 136 hp | 150 hp +14 | — |
| 2.1 TD | Diesel | 90 hp | 116 hp +26 | — |
Indicative figures from the technical catalogue; confirmed when you request the file.
Power curve
2.1 TD
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…).
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
Is a remap worthwhile on a car of this age?
It depends on engine condition. A well-maintained HDi responds well to a measured map, but remapping does not compensate for wear.
Do you cover the older EDC15 units?
Yes, they are the standard ECU on this model and fully covered in our catalogue.
What does the 2.0 HDi gain?
Mainly mid-range torque, which suits a comfortable mid-size saloon. It makes overtaking easier and reduces downshifting.