MED17.5.20

BOSCH MED17.5.20 is the Engine Control Modules used in 1.4 petrol engines mounted in:

• Audi: A3
• Seat: Altea, Leon
• Volkswagen: Eos, Golf, Jetta, Passat

Technical details

Available services

MED17.5.20 IMMO-OFF

Disables the immobiliser in the ECU.

Order IMMO-OFF for MED17.5.20

MED17.5.20 clone

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

Order cloning for MED17.5.20

MED17.5.20 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.

MED17.5.20 to MEDC17

Transfer from MED17.5.20 to another MEDC17 ECU.

Order transfer to MEDC17

MED17.5.20 to SIMOS

Transfer from MED17.5.20 to SIMOS ECU.

Order transfer to SIMOS

Part numbers

All MED17.5.20 part numbers are supported for IMMO-OFF, cloning and transfer services. The list below shows the most common variants:

Notes

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

Related ECUs

• EDC17U01
• EDC17U05
• ME17.5
• ME17.5.6
• ME17.5.20
• MED17.5.1
• MED17.5.5