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RecallGazette

Vehicle problems, recalls & safety intelligence

Hyundai Elantra 2018–2019technical service bulletin

Bulletin Campaign T3W Dea · NHTSA communication 10172219 · issued Feb 13, 2020

Technical service bulletin
communication type
Equipment
component
2018–2019
model years
2
vehicle entries

Official summary

Hyundai is conducting a Service Campaign related to an Electronic Control Module (ECM) software update to include cylinder imbalance learning logic optimization for Malfunction Indicator Light illumination.

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.