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Reprogrammation moteur calculateur bosch md1cs003 stellantis toyota fiat shiftech
01.04.2026News

Bosch MD1CS003: reprogramming available on Stellantis & Toyota 1.5 diesel engines

The world of engine reprogramming is constantly evolving, and the Shiftech teams (in conjunction with AutoTuner) are committed to integrating new compatibilities as soon as they are available and reliable.

Good news for owners of Stellantis and Toyota vehicles: the Bosch MD1CS003 ECU, which equips the widespread 1.5 diesel engines (BlueHDI, Turbo D, Multijet, D-4D), can now be reprogrammed at Shiftech.

This ECU, one of the most eagerly awaited on the market, covers a massive proportion of the current car fleet, from city cars to SUVs and commercial vehicles. Here's everything you need to know about the vehicles concerned and the services available.

Which computer is affected?

The Bosch MD1CS003 is an engine control unit (ECU) fitted to 1.5-liter diesel engines from the Stellantis group and Toyota. It controls injection, supercharging and numerous engine parameters - all levers that can now be optimized to improve your vehicle's performance and reduce fuel consumption.

A Bosch block now bypassed

For a long time, reprogramming this ECU posed no particular difficulty. But from 2021 onwards, Bosch imposed a software lock on the MD1CS003, making reprogramming impossible until now.

At Shiftech, we have now managed to get round this block. In concrete terms, this requires a preliminary unlocking step called 'unlock': the ECU must be sent to be physically unlocked, before being returned to our centres for the intervention.

This procedure guarantees the reliability and durability of the work carried out. Once unlocked, the ECU is read and written in Bench mode directly at Shiftech.

To find out more about what this involves in practice, see our dedicated page: Locked engine ECU: Shiftech Unlock.

Which vehicles are affected?

The Bosch MD1CS003 is equipped with a wide range of models from several brands in the Stellantis group as well as Toyota.

Brand

Models

Years

Engine

Peugeot

208, 2008, 308, 3008, 5008, 508, Expert / Traveller, Partner, Rifter

2013 - 2021

1.5 BlueHDI

Citroën

C3, C3 Aircross, C4, C4 Cactus, C4 Space Tourer, C5 Aircross, Berlingo, Jumpy

2016 - 2021

1.5 BlueHDI

DS

DS3 Crossback, DS7 Crossback

2017 - 2019

1.5 BlueHDI

Opel / Vauxhall

Astra, Combo, Corsa, Crossland X, Grandland X, Insignia Grand Sport, Mokka, Vivaro, Zafira Life

2017 - 2020

1.5 Turbo D / Ecotec D

Toyota

ProAce, ProAce City

2020

1.5 D-4D

Fiat

Scudo

2022

1.5 Multijet

This list is subject to change as compatibility is updated. Contact your Shiftech center to check your vehicle's eligibility.

Calculateur moteur ecu reprogrammation moteur voiture ami shiftech 7 2048

Shiftech reprograms your vehicles

At Shiftech, we've been passionate about automotive performance since 2008. If your vehicle has a 1.5 diesel engine with the Bosch MD1CS003 ECU, we can now take care of you at one of our centers.

Contact your nearest Shiftech center and get the best out of your vehicle.

Select a shiftech center near you

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