Hyundai Elantra 2020 — technical service bulletin
Bulletin 22-01-030H · NHTSA communication 10210209 · issued Mar 21, 2022
Technical service bulletin
communication type
Power Train
component
2020
model years
1
vehicle entries
Official 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
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.