MED17.5.25

BOSCH MED17.5.25 is the Engine Control Modules used in 1.0/1.4 petrol engines mounted in:

Audi: A1, A3, Q2, Q3
Seat: Ibiza, Leon
Skoda: Fabia, Kodiaq, Octavia, Rapid, Superb, Yeti
Volkswagen: Bettle, Caddy, Golf, Jetta, Passat, Polo, Scirocco, Sharan, Tiguan, Touran

Technical details

MCU	Program Flash	External Flash	Data Flash
Tricore TC1782	2.5MB	–	128KB

Available services

MED17.5.25 IMMO-OFF

Disables the immobiliser in the ECU.

Order IMMO-OFF for MED17.5.25

MED17.5.25 clone

Creates a full ECU clone, including calibration, software/coding/adaptation and full IMMO data.

Order cloning for MED17.5.25

MED17.5.25 transfer

Allows complete transfer of IMMO data between different ECU families and ECU models. Commonly used during engine conversions or swaps where the replacement ECU differs from the original unit.

MED17.5.25 to MEDC17

Transfer from MED17.5.25 to another MEDC17 ECU.

Order transfer to MEDC17

MED17.5.25 to SIMOS

Transfer from MED17.5.25 to SIMOS ECU.

Order transfer to SIMOS

Part numbers

All MED17.5.25 part numbers are supported for IMMO-OFF, cloning and transfer services. The list below shows the most common variants:

ECU part numbers
04E906027AB
04E906027AF
04E906027AG
04E906027AL
04E906027BB
04E906027BC
04E906027BM
04E906027BS
04E906027BT
04E906027CJ
04E906027CK
04E906027CL
04E906027DA
04E906027DD
04E906027DF
04E906027DG
04E906027GP
04E906027GR
04E906027H
04E906027HB
04E906027HD
04E906027HE
04E906027HF
04E906027HH
04E906027HK
04E906027HM
04E906027HN
04E906027HQ
04E906027HR
04E906027HT
04E906027JK
04E906027JM
04E906027JT
04E906027KF
04E906027KT
04E906027LA
04E906027LD
04E906027LH
04E906027LM
04E906027MB
04E906027NB
04E906027P
04E906027S
04E907309AC
04E907309AE
04E907309AF
04E907309AG
04E907309AK
04E907309BH
04E907309BJ
04E907309BK
04E907309BL
04E907309BM
04E907309BP
04E907309CN
04E907309M

Notes

🔧 Full bench/boot read is required.
⚠️ Virtual/partial reads are not supported.
✅ Full checksum correction is included.