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Service bulletins for the 2019 Infiniti QX50

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.

172 on file from NHTSA, as of 2026-10-19.

About C1B01 on the 2019 Infiniti QX50: what the code means, and the bulletins and recalls about the same components.

By type

By component

By trouble code

Only bulletins with trouble code: C1B01 are shown. Show all

Bulletins, newest first
ITB18-005B2021-04-08. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. 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.
ITB18-005a2018-05-07. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT; VEHICLE SPEED CONTROL:CRUISE CONTROL. 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.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.