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Service bulletin 17NA040

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 id10187374
Published by NHTSA2021-02-22
Manufacturer's number17NA040
Manufacturer's date2020-12-18
NHTSA componentSERVICE BRAKES

NHTSA's summary

This technical bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on Initial Brake Applies.

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

Vehicles listed
BUICK REGAL2013, 2014, 2015, 2016, 2017, 2018, 2019
CADILLAC ATS2013, 2014, 2015, 2016, 2017, 2018, 2019
CADILLAC CT62016, 2017, 2018, 2019, 2020
CADILLAC CTS2014, 2015, 2016, 2017, 2018, 2019
CADILLAC XTS2013, 2014, 2015, 2016, 2017, 2018, 2019
CHEVROLET CHEVEROLET SS2014 to 2017
CHEVROLET CORVETTE2014, 2015, 2016, 2017, 2018, 2019, 2020

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

Recalls for the same vehicles and component
20223472022-06-30. Brakes
22V4650002022-06-30. SERVICE BRAKES, HYDRAULIC:POWER ASSIST:ELECTRIC:CONTROL MODULE:SOFTWARE; SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM
20204522020-09-24. Brakes
20V5880002020-09-24. SERVICE BRAKES
20196302019-12-12. Brakes
19V8890002019-12-12. SERVICE BRAKES; ELECTRONIC STABILITY CONTROL (ESC); SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT
20184612018-08-30. Brakes
18V5760002018-08-30. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER
15V3580002015-06-09. SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES
20152452015-06-03. Brakes

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

Other bulletins for the same vehicles and component
25-NA-0652025-04-24. Service bulletin. This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
21-NA-0432025-02-12. Service bulletin. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
17-NA-2712024-12-19. Service bulletin. This service bulletin provides a procedure to clean the back side of the rims and rotors and to correct the customer concern of wheel clicking.
21-NA-0432024-12-10. Service bulletin. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
24-NA-0312024-11-16. Service bulletin. This service bulletin provides information for having brake pulsation and/or repeat brake pulsation.
22-NA-0262024-11-15. Service bulletin. This service bulletin provides information for dealers/technicians on Brake Pulsation, Noise and/or Visible Pitting Condition to Brake Rotor Surface.
17-NA-2392024-11-14. Service bulletin. This bulletin provides information on possible normal brake drag caused by the vehicle parked for an extended period of time.
16-NA-0592024-11-14. Service bulletin. This service bulletin provides information for cleaning the brake calipers that may have staining/discoloring on the paint of the brake caliper.
21-NA-2752024-10-30. Service bulletin. This service bulletin provides repair information to correct customer concerns of Rear Wheel Lock Up, ABS Event, Loud Bang and a Flashing “D” on Driver Information Center (DIC) when Lightly or Moderately Accelerating Forcing an 8-7 or 8-6 Downshift.
PIC6429B2024-10-25. Service bulletin. This Preliminary Information communicates information on resolving noise issues related to the brakes on this vehicle.