P0300 on the 2021 Infiniti Q50
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.
| ITB21-009 | 2021-06-09. Service bulletin. 2021 Q50/Q60; DTC P0607 STORED IN THE ECM IF YOU CONFIRM If CONSULT-III plus is available: DTC P0607 (ECM) is stored in the ECM. This DTC may be in Current or Past status. If CONSULT-III plus is not available: The vehicle displays an engine stall / no start condition with adequate fuel level, adequate battery voltage, and no fuel pump related DTCs present, Or DTC P0300 (Multiple Cylinder Misfire) is stored in the ECM and the vehicle displays misfire events on cylinder 3 and cylinder 6 only. ACTION 1. Replace the ECM. 2. Reprogram the ECM. |
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1 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.