C1A12 on the 2016 Nissan Altima
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.
| NTB15-099C | 2021-05-09. Service bulletin. SERVICE INFORMATION FOR DTCS C1A12 AND C1A16 This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin. |
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| NTB15-099B | 2017-02-14. Service bulletin. "SERVICE INFORMATION FOR DTCS C1A12 AND C1A16 THIS BULLETIN HAS BEEN AMENDED. THE APPLIED VEHICLES SECTION HAS BEEN REVISED, A PHOTO HAS BEEN ADDED TO PAGE 4, AND ICC/DISTANCE SENSOR LOCATION INFORMATION FOR MAXIMA AND ROGUE HAS BEEN ADJUSTED. 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.