Map Decoder

Bosch ECU Tuning

Map Decoder supports Bosch ECUs across diesel and gasoline generations — EDC16, EDC17, MD1, MG1, MED and MEVD — with automatic map detection, validated patches and automatic checksum correction.

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Bosch ECU families

Diesel and gasoline coverage

Diesel — EDC16 / EDC17 / MD1

The most common diesel ECU generations, with full map detection and checksum correction.

Gasoline — MED / MEVD / MG1

Direct-injection gasoline ECUs, including the latest MG1 generation.

Checksums handled

Bosch checksum systems are corrected automatically during patch generation.

FAQ

Bosch ECU tuning — frequently asked questions

Which Bosch ECUs are supported?

Bosch diesel families EDC16, EDC17, MD1 and gasoline families MED, MEVD and MG1, among others.

Does Map Decoder handle Bosch checksums?

Yes. Checksum correction for Bosch ECUs is applied automatically as part of patch generation.

What is the difference between EDC17 and MD1?

EDC17 is a widely used diesel ECU generation; MD1 (with MG1 on gasoline) is the newer generation with different architecture and security. Map Decoder supports both.

Which modifications are available on Bosch ECUs?

Stage 1/2, plus emission solutions (DPF/EGR/AdBlue off) and DTC removal where applicable — for off-road / competition use.

Tune your Bosch ECU

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Verified coverage

Supported Bosch ECUs

142 control units from Bosch have stored map or measured DTC data in Map Decoder. Full details per model on the Bosch ECU hub.

EDC16 22 ECUs

EDC17 56 ECUs

MD1 19 ECUs

MDG1 3 ECUs

ME17 3 ECUs

MED17 14 ECUs

MEVD17 3 ECUs

MG1 16 ECUs

Other models

Open the Bosch ECU hub