TECHNICAL SERVICE BULLETIN - SERVICE ACTION: MIL ON DTC P0605 AND/OR P2181 ECM LOGIC IMPROVEMENT (SA463) - This bulletin provides the procedure to improve the logic of the Engine Control Module (ECM) on some 2020-2021MY Soul (SK3) vehicles produced from November 24, 2018 through January 4, 2021 and 2021MY Seltos (SP2) vehicles produced from November 20, 2019 through January 12, 2021, equipped with NU 2.0L ATK engines, which may exhibit engine poor starting related DTC P0605 and/or thermostat related DTC P2181.
