Hyundai Elantra 2021–2024 — technical service bulletin
Bulletin 23-EE-010H · NHTSA communication 10243340 · issued Sep 18, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2021–2024
model years
14
vehicle entries
Official summary
This bulletin is issued to provide the extended battery diagnosis procedure using GDS-M. This battery diagnosis function displays the various battery-related faults such as: â ¢ Internal short circuit â ¢ Battery deterioration â ¢ Malfunction of electronic parts â ¢ Insufficient battery charge â ¢ Normal battery â ¢ Charging defect Battery diagnosis uses the battery sensor history saved for the last 30 days and ICU diagnostic communication to track battery state of charge (SOC) and current parasitic draw history.
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.