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Service bulletin 17488

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 id10137152
Published by NHTSA2018-05-21
Manufacturer's number17488
Manufacturer's date2018-01-05
NHTSA componentSERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER

NHTSA's summary

17488 - Service Update. Certain vehicles may have a condition in which a rear brake caliper bolt may be loose or missing. A loose brake caliper bolt could cause a rattle noise in the rear of the vehicle. A missing bolt could cause a rattle or rubbing noise, or allow the brake caliper to rotate outward and contact the rim. Dealers will inspect the rear brake caliper mounting bolts and related components. Replace any missing caliper mounting bolt, and torque all rear brake caliper mounting bolts.

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, Brake caliper

Vehicles listed
CADILLAC ATS2018
CADILLAC CTS2018

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

Other bulletins for the same vehicles and component
16NA0592020-11-30. Service bulletin. This service bulletin provides information for cleaning the brake calipers that may have staining/discoloring on the paint of the brake caliper.
17488 Revised Po2018-05-21. Service bulletin. 17488 - Service Update. Revised population. Certain vehicles may have a condition in which a rear brake caliper bolt may be loose or missing. A loose brake caliper bolt could cause a rattle noise in the rear of the vehicle. A missing bolt could cause a rattle or rubbing noise, or allow the brake caliper to rotate outward and contact the rim. Dealers will inspect the rear brake caliper mounting bolts and related components. Replace any missing caliper mounting bolt, and torque all rear brake caliper mounting bolts.