Service bulletins for the 2014 Infiniti Q50
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
256 on file from NHTSA, as of 2026-10-19.
About C1A27 on the 2014 Infiniti Q50: what the code means, and the bulletins and recalls about the same components.
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By component
By trouble code
Only bulletins with trouble code: C1A27 are shown. Show all
| ITB14051A | 2021-05-10. Service bulletin. POWER TRAIN; FORWARD COLLISION AVOIDANCE. 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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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.