Your Vehicle
Vauxhall Signum 3.0 CDTi 184hp
Technical Specifications
Power and torque increase
Stage 1: software remap only, no mechanical changes, fully reversible.
Stage 1: file 100 € online, installation quoted by the workshop Ask for a quote
Power HP
Torque Nm
Stage 1 for this engine: quote first, then the file online
The file costs 100 € online; the installation depends on how your ECU is worked on and the workshop confirms it. Ask for a quote: you receive the price and the link to buy the file. · terms
Power Graph
Vauxhall Signum 3.0 CDTi 184hp: da 184 a 219HP
Remapping Vauxhall Signum
MasterTuning develops remapping for Vauxhall. La Vauxhall Signum 3.0 CDTi 184hp può passare da 184 HP a 219 HP con un incremento di 35 HP.
The development of each remap is customized by MasterTuning.
- 100% customised files with lifetime warranty
- Reference values for Stage 1: the file is developed on your vehicle and checked in the workshop
- Best performance, within safety margins
- Reduced fuel consumption
ECU Remapping Details Vauxhall Signum 3.0 CDTi 184hp
The Vauxhall Signum 3.0 CDTi 184hp is equipped with a diesel engine that produces 184 HP and 400 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this Vauxhall can achieve 219 HP (+19%) and 470 Nm (+18%).
Our Stage 1 tuning for the Signum 2003 - 2008 delivers an impressive gain of +35 HP and +70 Nm, optimizing the diesel engine's performance while maintaining reliability and staying within safe parameters.
The engine code Y30DT identifies this specific powerplant configuration. The Denso D0600 ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
As a diesel engine, this Vauxhall responds exceptionally well to ECU tuning. Owners typically report improved throttle response, smoother power delivery, and in many cases, better fuel efficiency under normal driving conditions.
Technical Specifications — Vauxhall Signum 3.0 CDTi 184hp
Factory technical data for the Vauxhall Signum 3.0 CDTi 184hp (2003 - 2008), used by MasterTuning engineers to develop a remap tailored to this specific powerplant. Figures shown are reference values for Stage 1; the file is developed on your vehicle and checked in the workshop.
| Engine code | Y30DT |
|---|---|
| ECU / Control unit | Denso D0600 |
| Fuel | Diesel |
| Compression ratio | 18.5 |
| Bore × stroke | 87.5 X 82.0 mm |
| Stock power | 184 HP · 400 Nm |
| Remapped power (Stage 1) | 219 HP (+35) · 470 Nm (+70) |
Don't want to touch the ECU?
Rapid Dimsport add-on modules connect to the engine sensors with original connectors: they fit in a few hours and come off without a trace, leaving the factory software untouched. Useful on a leased car, one still under warranty or one you plan to sell soon. Check which ones fit your Vauxhall Signum.
Frequently Asked Questions - Vauxhall Signum
How much power can I gain from remapping my Vauxhall Signum?
With MasterTuning Stage 1, your Vauxhall Signum 3.0 CDTi 184hp can gain +35 HP (from 184 to 219 HP) and +70 Nm of torque. This represents a 19% increase in power.
Which ECU does the Vauxhall Signum 3.0 CDTi 184hp use?
The Vauxhall Signum 3.0 CDTi 184hp uses the Denso D0600 engine control unit. MasterTuning recalibrates this ECU for Stage 1 and Stage 2.
What is the engine code of the Vauxhall Signum 3.0 CDTi 184hp?
The engine code of the Vauxhall Signum 3.0 CDTi 184hp is Y30DT. You can find it in the vehicle documents or on the engine plate.
Is ECU remapping safe for the Vauxhall Signum engine?
Yes, MasterTuning's remapping for the Vauxhall Signum 3.0 CDTi 184hp is developed within safe parameters. Each file is developed on your vehicle, checked in the workshop and stays within the mechanical limits of the Y30DT engine.
Is the Vauxhall ECU remapping reversible?
Absolutely. The original factory calibration of your Vauxhall Signum is always backed up before remapping. The process is 100% reversible at any time.
Will remapping affect my Vauxhall warranty?
ECU remapping may affect your manufacturer warranty. We recommend checking your specific warranty terms. Many of our customers choose to remap after the warranty period or accept this trade-off for the significant performance gains.
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