Affected Component: POWER TRAIN

Date Published
MAR 21, 2022
NHTSA TSB #
10210209
TSB Document
Summary
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