Alientech KESS3 Adds Bench Read Write for GM E84

 Alientech KESS3 developped bench protocol for AC Delco E84- GM compact platforms.

Expand your workshop operations with this new development providing direct ECU access — simplifying procedures on compact vehicles and improving workflow efficiency.

  • Read and write on AC Delco E84 in BENCH mode
  • Direct ECU access for faster and safer operations
  • Optimized control on GM 1.0, 1.4 EcoTec and 1.8 Flex engines from 2016+

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.

Technical focus

Connection: BENCH
ECU: AC Delco E84
Production years: from 2016
Brands involved: Chevrolet, Holden, Opel

Supported vehicles ECU

Chevrolet Beat, Onix, Prisma, Spark, Spin
Holden Spark
Opel Karl


Alientech KESS3 Update GM ACDelco E84 ECM on Bench Mode

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