Previous-generation Bosch diesel ECU on a C167 core, fitted in 2003-2010 (TDI PD/CR, Common Rail Mk2) — found on Mercedes, Jeep, Chrysler and 2 more brands (36 modifications). On the Bosch EDC16CP31, CHIPOK performs Stage 1/2 — power tuning, software removal of the diesel particulate filter / EGR / catalyst control, disabling the intake flaps, speed limit removal and DTC removal, return to stock. Flashing is done via KESS3 / Autotuner / CMD Flash / FGTech Galletto.
The Bosch EDC16CP31 is used across 5 brands: Mercedes (24), Jeep (7), Chrysler (3), Dodge (1), Lancia (1). 36 engines in total in the database.
The Bosch EDC16CP31 ECU supports: STAGE 1, LAMBDA OFF, DPF OFF, STAGE 2, EGR OFF, DTC OFF, VMAX OFF, FLAPS OFF, ECO TUNING, TVA OFF. Checksums are recalculated on the engineer's side in WinOLS5.
The Bosch EDC16CP31 is supported by: KESS3, Autotuner, MPPS, KTAG. On production models OBD reading is usually enough; on locked variants — Bench (BDM/JTAG).
Stage 1 on the diesel Bosch EDC16CP31 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 EDC16CP31 calibration requires a full read of the unit — bin/hex/ori. Programmers: KESS3 / KTAG / Autotuner / MagicMotorSport. 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 EDC16CP31 file at CHIPOK — 5-30 minutes.
The price of Bosch EDC16CP31 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 €).