Your Vehicle
Alfa Romeo Giulietta 2.0 JTDm 170hp
Technical Specifications
Power and torque increase
Stage 1: software remap only, no mechanical changes, fully reversible.
Stage 1: file 122 € online + installation 350 € at the workshop (via the OBD port) Book now
Power HP
Torque Nm
Buy the Stage 1 file, pay the installation at the workshop
122 € VAT included (€100 + VAT): the file developed for your engine, paid online
Installation: 350 € network price, the workshop may charge less, paid at the chosen workshop (via the OBD port) · terms
Online you pay only for the file. At the centre you choose, you pay for writing the ECU (the installation shown above).
Power Graph
Alfa Romeo Giulietta 2.0 JTDm 170hp: da 170 a 200HP
Remapping Alfa Romeo Giulietta
MasterTuning develops remapping for Alfa Romeo. La Alfa Romeo Giulietta 2.0 JTDm 170hp può passare da 170 HP a 200 HP con un incremento di 30 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 Alfa Romeo Giulietta 2.0 JTDm 170hp
The Alfa Romeo Giulietta 2.0 JTDm 170hp is equipped with a diesel engine that produces 170 HP and 350 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this Alfa Romeo can achieve 200 HP (+18%) and 425 Nm (+21%).
Our Stage 1 tuning for the Giulietta 2010 - 2014 delivers an impressive gain of +30 HP and +75 Nm, optimizing the diesel engine's performance while maintaining reliability and staying within safe parameters.
The engine code 940A4000 identifies this specific powerplant configuration. The Bosch EDC16C39 ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
As a diesel engine, this Alfa Romeo 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 — Alfa Romeo Giulietta 2.0 JTDm 170hp
Factory technical data for the Alfa Romeo Giulietta 2.0 JTDm 170hp (2010 - 2014), 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 | 940A4000 |
|---|---|
| ECU / Control unit | Bosch EDC16C39 |
| Fuel | Diesel |
| Compression ratio | 16.5 |
| Bore × stroke | 83.0 X 90.4 mm |
| Stock power | 170 HP · 350 Nm |
| Remapped power (Stage 1) | 200 HP (+30) · 425 Nm (+75) |
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 Alfa Romeo Giulietta.
Frequently Asked Questions - Alfa Romeo Giulietta
How much power can I gain from remapping my Alfa Romeo Giulietta?
With MasterTuning Stage 1, your Alfa Romeo Giulietta 2.0 JTDm 170hp can gain +30 HP (from 170 to 200 HP) and +75 Nm of torque. This represents a 18% increase in power.
Which ECU does the Alfa Romeo Giulietta 2.0 JTDm 170hp use?
The Alfa Romeo Giulietta 2.0 JTDm 170hp uses the Bosch EDC16C39 engine control unit. MasterTuning recalibrates this ECU for Stage 1 and Stage 2.
What is the engine code of the Alfa Romeo Giulietta 2.0 JTDm 170hp?
The engine code of the Alfa Romeo Giulietta 2.0 JTDm 170hp is 940A4000. You can find it in the vehicle documents or on the engine plate.
Is ECU remapping safe for the Alfa Romeo Giulietta engine?
Yes, MasterTuning's remapping for the Alfa Romeo Giulietta 2.0 JTDm 170hp is developed within safe parameters. Each file is developed on your vehicle, checked in the workshop and stays within the mechanical limits of the 940A4000 engine.
Is the Alfa Romeo ECU remapping reversible?
Absolutely. The original factory calibration of your Alfa Romeo Giulietta is always backed up before remapping. The process is 100% reversible at any time.
Will remapping affect my Alfa Romeo 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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Book your remap or ask for a quote
Stage 1 can be bought online and is done at the workshop you choose; for Stage 2 we send you a quote.
Online you pay only for the file. At the centre you choose, you pay for writing the ECU (the installation shown above).
Stage 2 is quoted on request: write to us and we will reply with price and timing.
Request Quote on WhatsAppYour data is safe. No spam, just your quote.
-15% on Stage 1 if you ask for the quote now (valid 7 days)