C1A03 on the 2019 Infiniti QX50
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.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| ITB18-005B | 2021-04-08. Service bulletin. ADAS SYSTEM DTC C1A03, C1A04, AND/OR C1B01 SERVICE INFORMATION This bulletin has been amended. Please see AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. |
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| ITB18-005a | 2018-05-07. Service bulletin. ADAS SYSTEM DTC C1A03, C1A04, AND/OR C1B01 SERVICE INFORMATION This bulletin has been amended. The Applied Vehicles section has been revised. No other changes have been made. Please discard previous versions of this bulletin. |
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.