C1A27 on the 2014 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.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| ITB14051A | 2021-05-10. Service bulletin. IF YOU CONFIRM All of the following: The FCW (Forward Collision Warning) malfunction is ON or reported to have been ON, and DTC C1A27 (ECD POWER SUPPLY CIRCUIT) is stored (Past or Current), and the brake fluid level is normal. NOTE: C1A27 is an ICC (Intelligent Cruise Control) DTC. ACTION Reprogram the ABS control unit (ABS) per the Service Procedure in this bulletin. - Part of the Service Procedure, step 20 on page 8, is a confirmation that reprogramming is needed to resolve the incident shown in Figure A and B on page 1. See this bulletin for further detail. |
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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.