Delco control unit — found on Chevrolet, Cadillac, GMC and 1 more brands (10 modifications). On the Delco E38, CHIPOK performs Stage 1 — power tuning, software removal of EGR / catalyst control / EVAP, disabling the intake flaps, the Pops & Bangs effect, speed limit removal, DTC removal, return to stock and Cold Start Off. Flashing is done via KESS3 / Autotuner / CMD Flash / FGTech Galletto.
The Delco E38 is used across 4 brands: Chevrolet (7), Cadillac (1), GMC (1), Hummer (1). 10 engines in total in the database.
The Delco E38 ECU supports: STAGE 1, DTC OFF, VMAX OFF, EVAP OFF, COLD START OFF, FLAPS OFF, POP AND BANGS, CAT/LAMBDA OFF, EGR OFF, RESET TO STOCK. Checksums are recalculated on the engineer's side in WinOLS5.
The Delco E38 is supported by: KESS3, Autotuner, MPPS, KTAG, CMD Flash, Trasdata, MagicMotorSport. On production models OBD reading is usually enough; on locked variants — Bench (BDM/JTAG).
Stage 1 on the petrol Delco E38 reprograms ignition timing, lambda target, boost target and wastegate duty (on turbo), throttle response, VANOS/VVT phase, torque limiter.
Delco E38 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 Delco E38 file at CHIPOK — 5-30 minutes.
The price of Delco E38 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 €).