DTC C1702 Variant Coding Error: General Description

There is no hardware difference of the HECU according to the vehicle's specification, just software is changed by the vehicle parameter used for ESC control. The HECU stores a classified variant code value according to the received data (a kind of engine, engine displacement, a kind of T/M). After then the HECU reads a various parameters according to the stored variant value in the memory to use for the ESC control.