Bosch EDC16U1 — previous-generation Bosch diesel ECU on a C167 core, fitted in 2003-2010 (TDI PD/CR, Common Rail Mk2). Found on Volkswagen, Seat, Skoda and 1 more brands — 36 modifications in our database. Available tuning options: Stage 1/2 calibration, disabling DPF/FAP / EGR recirculation / CAT/Lambda, removing the swirl-flap logic, Hardcut, disabling the speed limiter and software fault-code clearing, return to the original firmware. Reading and writing via KESS3, MPPS V21, PCMflash, BFlash.
The Bosch EDC16U1 is used across 4 brands: Volkswagen (14), Seat (10), Skoda (7), Audi (5). 36 engines in total in the database.
On the Bosch EDC16U1 the following are available: STAGE 1, LAMBDA OFF, HARD CUT LIMIT, ECO TUNING, DPF OFF, STAGE 2, EGR OFF, DTC OFF, VMAX OFF, FLAPS OFF. All options combine in the calculator with the package Max Price cap.
To flash the Bosch EDC16U1 the following is used: KESS3, Autotuner, MPPS, KTAG. CHIPOK accepts .bin/.hex/.ori from any of the listed programmers.
Stage 1 on the diesel Bosch EDC16U1 reprograms rail pressure target, SOI/EOI timing, boost target, smoke limiter and torque limiter. The torque gain is noticeable; the HP gain depends on the specific engine.
Bosch EDC16U1 calibration requires a full read of the unit — bin/hex/ori. Programmers: KESS3, Autotuner, MPPS, KTAG. Checksums — on the engineer's side.
Reading and writing over OBD take 25-30 minutes. Bench reading requires opening the unit — about 60 minutes. Remote processing of a Bosch EDC16U1 file at CHIPOK — 5-30 minutes.
The price of Bosch EDC16U1 calibration depends on the selected options: Stage 1/2, DPF/EGR/AdBlue off, DTC off. The Max Price cap limits the package total. Paid with CHIPOK credits (1 cr = 1 €).