Certain 20MY Elantra (AD/ADa) vehicles may experience an illuminated check engine
warning light due to Diagnostic Trouble Codes (DTC) listed below. Perform the Transmission Control
Unit (TCU) update, and, if necessary, replace the IVT (Intelligent Variable Transmission) to resolve this
condition. This update also includes the software for optimizing CLR_DIST (distance traveled since
DTCs cleared) display.
â?¢ TCU DTC Codes: P0730, P0731, P0741, P0867, P1603
