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Home >> Hyundai >> 2019 >> Sonata Plug-In Hybrid >> Repair and Diagnosis >> Brakes >> Traction Control >> Electronic Stability Control (ESC) System (PHEV) >> Description And Operation >> Description Of ESP >> Variant Coding

Variant Coding

The HECU is programmed with a variant code based on the vehicle powertrain configuration. This variant code is used to determine the appropriate ESP calculations. Variant code programming should be performed whenever an HECU is replaced.

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