P0300 on the 2017 Kia Forte
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
Nobody has written a description of this code yet.
| TSB_ENG208_R2 | 2020-03-05. Service bulletin. TECHNICAL SERVICE BULLETIN - ECU LOGIC IMPROVEMENT FOR P0300, P0301, P0302, P0303, P0304 AND/OR P219C00, P219D00, P219E00, P219F00 - This bulletin provides the procedure to improve the logic of the Engine Control Module (ECM) on some 2017-2018MY Forte (YDm) vehicles, produced from May 15, 2016 through July 27, 2018, which may experience a malfunction indicator lamp (MIL) ON with DTC P0300, P0301, P0302, P0303, P0304 and/or P219C00. P219D00, P219E00, P219F00. |
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| TSBENG208_R1 | 2019-11-07. Service bulletin. TECHNICAL SERVICE BULLETIN TSBENG208_R1: ECU LOGIC IMPROVEMENT FOR P0300, P0301, P0302, P0303, P0304 AND/OR P219C00, P219D00, P219E00, P219F00 - This bulletin provides the procedure to improve the logic of the Engine Control Module (ECM) on some 2017-2018MY Forte (YDm) vehicles, produced from May 15, 2016 through July 27, 2018, which may experience a malfunction indicator lamp (MIL) ON with DTC P0300, P0301, P0302, P0303, P0304 and/or P219C00. P219D00, P219E00, P219F00. |
| TSBENG181_R1 | 2019-11-07. Service bulletin. TECHNICAL SERVICE BULLETIN TSBENG181_R1: SERVICE ACTION: IGNITION COIL OR COIL RFI SPRING REPLACEMENT FOR DTC P0300, P0301, P0302, P0303, AND/OR P0304 (SA321) - This bulletin provides the procedure to replace all four (4) ignition coils or replace all four (4) coil radio frequency interference (RFI) springs on some 2017-2018MY Forte (YDm) 2.0L MPI vehicles, produced from May 16, 2016 through September 7, 2017, which may experience a malfunction indicator lamp illumination (MIL) ON with DTC P030X (P0300, P0301, P0302, P0303, or P0304). |
| TSBENG208 | 2019-07-04. Service bulletin. TSB: ECU LOGIC IMPROVEMENT FOR P0300, P0301, P0302, P0303, P0304 AND/OR P219C00, P219D00, P219E00, P219F00 - This bulletin provides the procedure to improve the logic of the Engine Control Module (ECM) on some 2017-2018MY Forte (YDm) vehicles, produced from May 15, 2016 through July 27, 2018, which may experience a malfunction indicator lamp (MIL) ON with DTC P0300, P0301, P0302, P0303, P0304 and/or P219C00. P219D00, P219E00, P219F00. |
| TSBENG181 | 2018-01-16. Service bulletin. TSB - SERVICE ACTION: IGNITION COIL OR COIL RFI SPRING REPLACEMENT FOR DTC P030X (SA321) - This bulletin provides the procedure to replace all four (4) ignition coils or replace all four (4) coil radio frequency interference (RFI) springs on some 2017-2018MY Forte (YDm) 2.0L MPI vehicles, produced from May 16, 2017 through September 7, 2017, which may experience a malfunction indicator lamp illumination (MIL) ON with DTC P030X (P0300, P0301, P0302, P0303, or P0304). |
| TSBENG165R1 | 2017-08-25. Service bulletin. TSB: SERVICE ACTION: ECU LOGIC IMPROVEMENT FOR DTC P030X (SA285) - This bulletin provides the procedure to improve the logic of the Electronic Control Unit (ECU) on some 2017MY Forte (YDm) vehicles equipped with 2.0L MPI engine, produced from May 30, 2016 to February 22, 2017, which may experience a malfunction indicator lamp illumination with DTC P0300, P0301, P0302, P0303, or P0304. To correct this concern, apply the improved logic to the ECU using the KDS download as described in this bulletin. |
| TSB-ENG165 | 2017-08-02. Service bulletin. TSB: SERVICE ACTION: ECU LOGIC IMPROVEMENT FOR DTC P030X (SA285) - This bulletin provides the procedure to improve the logic of the Electronic Control Unit (ECU) on some 2017MY Forte (YDm) vehicles equipped with 2.0L MPI engine, produced from May 30, 2016 to February 22, 2017, which may experience a malfunction indicator lamp illumination with DTC P0300, P0301, P0302, P0303, or P0304. To correct this concern, apply the improved logic to the ECU using the KDS download as described in this bulletin. For confirmation that the latest reflash has been applied to a vehicle you are working on, verify the ROM ID using the table on page 2 of this bulletin. Before conducting the procedure, verify that the vehicle is included in the list of affected VINs. |
7 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.