TSBs

Update the Hyundai GDI Software

June 24, 2023

This bulletin provides information related to the ECU software logic update for some 2015 Hyundai Tucson vehicles equipped with a 2.0L GDI engine that may experience a check engine light on with DTC P0128.

Information courtesy of Mitchell 1

Hyundai says this issue doesn't affect drivability on 2015 Hyundai Tucson vehicles equipped with a 2.0L GDI engine that may experience a check engine light on with DTC P0128.

This DTC, according to Hyundai, does not affect vehicle drivability. Update the ECU software. You must initially perform the GDI ECU update in Auto Mode. If the ECU update starts but then fails in Auto Mode, perform the update in Manual Mode to recover.

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Information courtesy of Mitchell 1

Information for Technical Service Bulletins comes from ProDemand, Mitchell 1's auto repair information software for domestic and import vehicles. Headquartered in San Diego, Mitchell 1 has provided quality repair information solutions to the automotive industry since 1918.