BOSCH MD1CS003 Chiptuning
The BOSCH MD1CS003 is used in Car vehicles from makes such as PEUGEOT, CITROEN, OPEL, TOYOTA. Our library holds verified solution files for this ECU family.
Available operations
AdBlue / SCR Delete
Software deactivation of the AdBlue/SCR dosing system and its fault/warning functions.
View →Stage 1 Remap
Software that optimises the engine's power and torque maps within safe limits.
View →DPF Delete
Software deactivation of the diesel particulate filter (DPF/FAP) functions and fault codes.
View →Speed Limiter (Vmax) Removal
Removing the factory top-speed limiter from the software.
View →DTC / Fault Code Removal
Switching off selected diagnostic trouble codes (DTC) in the ECU software.
View →Immobiliser (Immo) Solution
Software solution for no-start issues caused by the immobiliser.
View →EGR Delete
Software deactivation of the exhaust gas recirculation (EGR) valve control and fault codes.
View →Swirl Flap Delete
Software deactivation of the intake manifold swirl flaps.
View →Lambda / O2 Sensor Delete
Software deactivation of the oxygen (lambda) sensor monitoring.
View →Decat / Catalyst Delete
Software deactivation of catalyst monitoring and related codes.
View →Start & Stop Delete
Permanently disabling the automatic start-stop system.
View →MD1CS003 chip tuning and remap solutions
The Bosch MD1CS003 is an engine control unit used in cars from makes such as Peugeot, Citroen, Opel, Toyota and Renault. Prime Chiptuning always builds MD1CS003 files from the original read of the vehicle; generic files are not used.
Solutions offered for this ECU family include AdBlue / SCR Delete, Stage 1 Remap, DPF Delete, Speed Limiter (Vmax) Removal, DTC / Fault Code Removal and Immobiliser (Immo) Solution. Which ones apply to your vehicle depends on the exact ECU variant, software version and engine; we check this from the read file before the work starts.
How a MD1CS003 remap is done
- The MD1CS003 is read by OBD, bench or boot depending on the variant, and the original software is backed up.
- The original file is modified for the vehicle, engine and requested solution; the checksum is corrected.
- The file is written, fault codes are checked and the vehicle is road tested.
- The original backup is kept, so the vehicle can be returned to factory software at any time.
Why Prime Chiptuning for MD1CS003
Our service points tune the MD1CS003 for each vehicle individually, with support after delivery. Workshops with their own tools can order MD1CS003 files on the ECU Prime file platform.
News about the BOSCH MD1CS003
Opel AdBlue Fault Solution: MD1CS003, EDC17C60 on Combo, Crossland, Grandland, Zafira Life
AdBlue fault on your Opel Combo, Crossland or Grandland? AdBlue solutions for the MD1CS003 and EDC17C60 on PSA-based models and t…
Toyota RAV4, Corolla, Auris and Proace D-4D: DPF, AdBlue on Bosch EDC17CP07 and MD1CS003
Stage 1 plus AdBlue, DPF and EGR for the Bosch EDC17CP07 on the RAV4 and Avensis 2.0 / 2.2 D-4D, and the MD1CS003 and DCM6.2A on…
Autotuner and Flex 2026 New MD1 Protocols: MD1CS003, MD1CP001, MD1CS004
Locked Bosch MD1 ECUs can now be read: which cars Autotuner and Flex 2026 updates unlock, by which method, and which solutions EC…
1.5 BlueHDi AdBlue Fault Solution and Chip Tuning: Bosch MD1CS003
AdBlue fault on a 1.5 BlueHDi? Solutions for the Bosch MD1CS003 on the Peugeot 208, 2008, 3008, Citroën C4, Berlingo, Opel and To…
Are you a tuner or dealer?
Verified Stage 1, DPF, EGR and AdBlue files for the BOSCH MD1CS003 are available on the EcuPrime file service: upload your original file and compatibility is measured in seconds.
BOSCH MD1CS003 files on EcuPrime →Notify me when a new BOSCH MD1CS003 solution is released
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