P0301 on the 2012 Hyundai Elantra
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-13-FL-006 | 2013-11-06. Service bulletin. HYUNDAI: THE FOLLOWING DTCS P2096 POST CATALYST FUEL TRIM SYSTEM TOO LEAN, P0301/2/3/4 CYLINDER 1/2/3/4 MISFIRE DETECTED, ON SOME VEHICLES, WILL BE REVISED THE LOGIC BY AN ECU UPDATE. MODELS 2011-2013 ELANTRA. *PE |
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| TSB-13-01-034 | 2013-11-06. Service bulletin. HYUNDAI: TO REVISE THE LOGIC, ON SOME VEHICLES, FOR THE DTCS P2096 POST CATALYST FUEL TRIM SYSTEM TOO LEAN, P0301/2/3/4 CYLINDER 1/2/3/4 MISFIRE, AN ECU UPDATE IS PROVIDED. MODELS 2012 ELANTRA. *PE |
2 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.