FCA EDC17C69: OBD after a one-time Boot unlock
Bosch EDC17C69 in supported Alfa Romeo, Fiat, Jeep and Opel Multijet applications from 2014 to 2021 can be read and written via OBD after a one-time Boot patch.
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Autotuner. FLEX. KESS3.
What is changing.
New ECU and TCU support, Bench/Boot unlocks and important tool updates. With sources and a brief explanation of their workshop relevance.
PSA Valeo VD56: OBD after initial Boot unlock
Valeo VD56 in supported 1.2 PureTech applications from 2018 to 2020 gains OBD access. On first access, the ECU must be opened, unlocked in Boot and read.
Read articleFCA ME17.3.0: OBD after patch
Bosch ME17.3.0 in supported Abarth, Fiat and Alfa Romeo vehicles is enabled for OBD reading and writing through a preparatory patch. Examples in the source include Abarth 595/695 and Alfa Romeo Mito and Giulietta.
Read articleBMW M2 MEVD17.2.G: Bench without an additional unlock
Protected Bosch MEVD17.2.G in BMW M2 CS and M2 Competition can be read and written in Bench directly through the ECU connector. Manufacturer support requires no additional unlocking procedure.
Read articleHDEP MCM2.1 D4: Boot patch for subsequent Bench access
Continental-Siemens HDEP MCM2.1 D4 receives a preparatory Boot patch on the EEPROM. Subsequent reading and writing take place in Bench. The release lists suitable Mercedes-Benz, Western Star and Claas applications.
Read articleMail-in unlock: Autotuner's 2022 explanation
Autotuner explains the thinking at the time behind sending particularly protected ECUs away for unlocking. The article provides historical context, not a specific protocol release.
Read articleVAG FRF: original file removes patch and unlock
The updated FRF selection window allows suitable complete original files to be written. This removes existing tunes, patches and unlocks. The announcement explains the effect on subsequent work.
Read articleAutotuner: server communication during ECU unlock
The manufacturer explains the roles of software, tool and server in ECU operations. Unlocks may require server connections for passwords and authentication. The article documents the manufacturer's technical explanation at the time.
Read articleVAG PCR2.1: Boot patch enables OBD writing
Autotuner describes a Boot patch for PCR2.1 in VAG 1.6 TDI applications. OBD reading is already possible without a patch; for OBD writing, the ECU is first prepared in Boot.
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