Autotuner Update PSA Opel Toyota MD1CS003 Mail-in Unlocking

By | March 31, 2026

One of the absolute most requested and highly anticipated ECUs in the tuning industry is now supported on your AutoTuner Tool.

The Bosch MD1CS003, the essential ECU managing the extremely popular 1.5 BlueHDI, 1.5 Turbo D, 1.5 Multijet, and 1.5 D-4D engines, opens the doors to a massive market across the Stellantis group and Toyota.

 

Massive Coverage:

  • Peugeot / Citroen / DS (1.5 BlueHDI)
  • Opel / Vauxhall (1.5 Turbo D)
  • Toyota (1.5 D-4D)
  • Fiat (1.5 Multijet)

Method: Bench (After Mail-in Unlock). Once unlocked by us to keep the solution safe, flash it via Bench directly in your shop!

To guarantee the long-term protection of this highly sought-after solution and secure your business, this protocol requires the ECU to be sent to Autotuner for unlocking first. Once the Mail-in Unlock is complete, you will be free to read and write the ECU via Bench Normal Read (NR) right in your workshop.

Call back your waiting list customers, it’s time to flash!

Key Features:
Type: Engine Control Unit (ECU)
Mode: Bench NR
MCU: TC298
Read time: 2min
Write time: 1min
Checksums correction
Backup creation
Mail-in Unlock required

 

Compatibility List*:
Citroen Models: Berlingo (2018) / C3 (2017 – 2020) / C3 Aircross (2017 – 2021) / C4 (2020) / C4 Cactus (2017) / C4 Space Tourer (2018) / C5 Aircross (2018) / DS3 Crossback (2019) / DS7 Crossback (2017) / Jumpy (2016)
Citroen Engine: 1.5 BlueHDI
DS Model: DS7 Crossback (2017)
DS Engine: 1.5 BlueHDI
Fiat Model: Scudo (2022)
Fiat Engine: 1.5 Multijet
Opel Models: Astra (2019) / Combo (2020) / Corsa (2019) / Crossland X (2017) / Grandland X (2017) / Insignia Grand Sport (2020) / Mokka (2020) / Vivaro (2019) / Zafira Life (2020)
Opel Engines: 1.5 Turbo D / 1.5 Ecotec D
Peugeot Models: 2008 (2013 – 2019) / 208 (2019) / 3008 (2016 – 2020) / 308 (2017 – 2021) / 5008 (2017 – 2020) / 508 (2018) / Expert / Traveller (2016) / Partner (2018) / Rifter (2018)
Peugeot Engine: 1.5 BlueHDI
Toyota Models: ProAce (2020) / ProAce City (2020)
Toyota Engines: 1.5 D-4D / 1.5 diesel
Vauxhall Models: Astra (2019) / Combo (2018) / Corsa (2019) / Crossland (2017) / Grandland X (2017) / Insignia (2020) / Mokka (2020) / Vivaro (2019) / Zafira (2019)
Vauxhall Engines: 1.5 Turbo D / 1.5 Ecotec D
*The list may evolve over time.

autotuner md1cs003 mail in unlock