Alientech’s KESS3 Upgrade 2.86 introduces BENCH mode support for the AC Delco E84 ECU. A step forward for workshops working on GM compact platforms that were previously manageable only via OBD.
This update is designed for GM small-displacement platforms running 1.0, 1.4 EcoTec and 1.8 Flex engines from 2016 onwards.
Supported vehicles
Chevrolet Beat, Onix, Prisma, Spark, Spin
Holden Spark
Opel Karl


