KESS3 Protocols Releases
The series of releases dedicated to AC Delco ECUs now extends to GM small-displacement platforms.
04.02.2026 — Upgrade 2.86
With the introduction of BENCH mode on the E84 control units — previously manageable only via OBD — you now have direct access to the ECU, simplifying workshop operations on compact vehicles widely distributed across the global market.
Designed for 1.0, 1.4 EcoTec and 1.8 Flex engines from 2016 onwards, this release concretely expands operational possibilities on urban and compact cars.
An update that improves operational safety and workflow continuity, reducing intervention times and increasing procedure reliability.
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