Practical guides on reading, recovering, cloning and modifying engine, gearbox and body control units: which file to use, how to read the label, how to write safely.
Ford's TDCi diesels of the 2004–2012 era use Siemens/Continental engine ECUs: the SID803A on the 1.6 TDCi (Fiesta, Fusion, Focus II, C-Max, Volvo C30/S40/V50 1.6 D) and the SID206 on the 1.8 and 2.0 TDCi (Focus II, C-Max, Mondeo III/IV, S-Max, Galaxy, Transit Connect and Transit 2.2). Both…
The Bosch ME7.5 (and its close relatives ME7.5.10, ME7.5.20 and ME7.5.30) is the engine ECU of the VAG 1.8T, 2.0 8v and some 1.6 petrol engines…
The Bosch EDC15C7 controls the first-generation JTD common-rail diesels: Fiat Punto, Brava/Bravo, Marea, Multipla, Stilo and Doblo 1.9 JTD, Alfa Romeo 145/146, 156, 166 and GT…
Every engine ECU checks its own memory before it trusts it. If the sums do not add up, the unit refuses the write, starts in limp…
A Golf arrives on a trailer. The last garage tried a remap over OBD, the write stopped part way through and now the engine ECU won't…
A Passat comes in with the engine ECU already on the bench. The Bosch label says 0261S05728, the VAG sticker says 03C906016P, and the owner admits…
A Q7 turns up with a replacement ECU from a breaker. The label on the case reads 0281016832, the VAG number is 4L1910401H, and the owner…
A Transporter arrives on a trailer. Someone tried a remap over OBD, the laptop dropped its USB connection halfway through the write, and now the van…
A typical EDC17CP14 job looks like this. An Audi A4 comes in, the owner wants the remap taken off before the car is sold, and the…
The Octavia on the ramp hesitates under load, the customer admits a previous tuner has been at it, and the ECU now on your bench carries…
