Opel Signum ECU remapping
61 files available

About remapping
The Opel Signum accounts for 61 files in our catalogue, dominated by the 1.9 CDTi diesel, with the 3.0 CDTi V6 above it and the 2.8 V6 Turbo and 2.0 Turbo petrol units alongside. It is a distinctive five-door hatchback based on the Vectra C.
Stage 1 makes up 55 files, with 8 Stage 2 and 3 EGR off. The ECUs include EDC16C9 and EDC16C39 on the diesels, plus ME9.6, SIMTEC81.1 and even a Trionic T8 reference on some units.
Model highlights
- ›55 Stage 1 files, dominated by the 1.9 CDTi diesel.
- ›Coverage of the 3.0 CDTi V6 and the 2.8 V6 Turbo petrol.
- ›8 Stage 2 files for cars with hardware modifications.
- ›ECUs including EDC16C9, EDC16C39, ME9.6, SIMTEC81.1 and Trionic T8.
Fuel split
Engines and gains
| Engine | Fuel | Stock | Stage 1 | Stage 2 |
|---|---|---|---|---|
| 2.8 T | Petrol | 230 hp | 271 hp +41 | — |
| 3.0 CDTI | Diesel | 177 hp | 211 hp +34 | — |
| 2.0 Turbo | Petrol | 175 hp | 210 hp +35 | — |
Indicative figures from the technical catalogue; confirmed when you request the file.
Power curve
3.0 CDTI
ECUs
ECU manufacturers
Available services
Remapping services
Stage 1
Optimising the original map with no hardware changes: more power and torque, full reliability.
Stage 2
Remap for vehicles with mechanical upgrades (intake, exhaust, intercooler…).
EGR off
EGR valve management to reduce soot issues and improve response.
DPF off
Particulate filter solution: no more regenerations or blockage warnings.
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?
Request a free quote for your vehicle and we'll tell you the gains you can expect.
Request a quoteAre you a workshop or professional?
Sign up, buy credits and download the optimised file instantly.
Log in as a professionalFrequently asked questions
How does the 1.9 CDTi respond?
It gains considerable mid-range flexibility from a measured map. It is a well-documented engine widely used across the group.
Does it share mechanicals with the Vectra?
Yes, the Signum is based on the Vectra C and shares its engines and ECU families, broadening our coverage.
Do you cover the 3.0 CDTi V6?
Yes, it is present in our catalogue for the higher-output versions.
