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Service bulletin ITB18-005a

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10136209
Published by NHTSA2018-05-07
Manufacturer's numberITB18-005a
Manufacturer's date2018-03-26
NHTSA componentSERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT; VEHICLE SPEED CONTROL:CRUISE CONTROL

NHTSA's summary

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 document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Brakes, Throttle and cruise control, Anti-lock brakes

Trouble codes named

C1A03, C1A04, C1B01

Vehicles listed
INFINITI Q502017, 2018
INFINITI Q50 HYBRID2017 (the catalog's model; the bulletin names a series or trim of it)
INFINITI Q602017, 2018
INFINITI Q702017, 2018
INFINITI Q70 HYBRID2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
INFINITI QX302017, 2018
INFINITI QX502017
INFINITI QX502019
INFINITI QX602017, 2018
INFINITI QX60 HYBRID2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
INFINITI QX702017
INFINITI QX802017, 2018

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
19V8070002019-11-08. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
18V6010002018-09-07. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.