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Service bulletins for the 2019 Cadillac CT6

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.

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

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By component

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Only bulletins with component: Brakes are shown. Show all

Bulletins, newest first
20NA1642020-09-28. Service bulletin. SERVICE BRAKES. This technical bulletin provides a service procedure to correct a customer concern of a Wire Brushing Type Noise Heard from Brake Rotors.
17NA0402020-09-28. Service bulletin. SERVICE BRAKES. This technical bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on Initial Brake Applies.
PIC6377A2020-09-14. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; SUSPENSION:FRONT:CONTROL ARM:UPPER ARM; SERVICE BRAKES. This Preliminary information communicates that a customer may experience a moan or vibration at low speed maneuvers or brake apply caused by V-Series vehicles being equipped with high performance track capable brake lining that generates high brake torque during a brake event. Revised Upper Control Arms will be released in 2020 to address. The noise will not effect the performance or reliability of the vehicle.
20NA0732020-06-22. Service bulletin. SERVICE BRAKES. This technical bulletin provides repair information to correct a customer concern of Loss of Brake Assist, Various Messages Displayed in DIC, Brake Pedal Travel and Apply May Feel Different, DTC C0024 Set.
20NA0732020-06-22. Service bulletin. SERVICE BRAKES. This technical bulletin provides repair information to correct a customer concern of Loss of Brake Assist, Various Messages Displayed in DIC, Brake Pedal Travel and Apply May Feel Different, DTC C0024 Set.
20NA0732020-05-26. Service bulletin. SERVICE BRAKES; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Loss of Brake Assist, Various Messages Displayed in DIC, Brake Pedal Travel and Apply May Feel Different, DTC C0024 Set.
N192264450 032020-05-11. Service bulletin. SERVICE BRAKES, HYDRAULIC. Customer Satisfaction Program - Certain 2019 model year Cadillac CT6 and CT6-V vehicles equipped with the Brake Lining Wear System Life Span Prognostic Indicator, (RPO JBP), may have a condition in which the software calculation that is reported to the driver?s information center may be 16X faster than what the brake pads are actually experiencing. Dealers will reprogram the brake system control module (BSCM) and if necessary, replace the brake pads.
N1922786902020-03-23. Service bulletin. SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES; EQUIPMENT ADAPTIVE/MOBILITY. Customer Satisfaction Program - Certain vehicles may have been built with an incorrect brake pedal assembly. Customer will experience a lighter pedal feel and longer travel while applying the brake. Dealers are to replace brake pedal assembly.
PIC6290C2020-01-21. Service bulletin. STEERING; SERVICE BRAKES, HYDRAULIC. This Preliminary information communicates to the dealer that a thump or bump feel or noise may exist on a hard apply of the brakes or when applying the brakes, letting or, then re-applying the brake when the steering wheel is in the straight ahead position. Engineering has investigated and determined to be a normal operating characteristic.
PIC63772020-01-21. Service bulletin. SERVICE BRAKES. This Preliminary information communicates that a customer may experience a moan or vibration at low speed maneuvers or brake apply caused by V-Series vehicles being equipped with high performance track capable brake lining that generates high brake torque during a brake event. Revised Upper Control Arms will be released in 2020 to address. The noise will not effect the performance or reliability of the vehicle.
N192264450 022019-12-30. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS; ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC. N192264450-02 - Customer Satisfaction Program - Certain 2019 model year Cadillac CT6 vehicles equipped with the Brake Lining Wear System Life Span Prognostic Indicator, (RPO JBP), may have a condition in which the software calculation that is reported to the driver?s information center may be 16X faster than what the brake pads are actually experiencing. Dealers will reprogram the brake system control module (BSCM) and if necessary, replace the brake pads.
N192264450 012019-12-30. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS; ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC. N192264450-01 - Customer Satisfaction Program - Certain 2019 model year Cadillac CT6 vehicles equipped with the Brake Lining Wear System Life Span Prognostic Indicator, (RPO JBP), may have a condition in which the software calculation that is reported to the driver?s information center may be 16X faster than what the brake pads are actually experiencing. Dealers will reprogram the brake system control module (BSCM) and if necessary, replace the brake pads.
N1922644502019-12-30. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS. Certain 2019 model year Cadillac CT6 vehicles equipped with the Brake Lining Wear System Life Span Prognostic Indicator, (RPO JBP), may have a condition in which the software calculation that is reported to the driver?s information center may be 16X faster than what the brake pads are actually experiencing. Dealers will reprogram the brake system control module (BSCM) and if necessary, replace the brake pads.
19NA1912019-10-28. Service bulletin. SERVICE BRAKES, HYDRAULIC. This Technical bulletin provides a procedure for dealers/technicians to correct a condition of a Premature Replace Brake Pads or Service Brake Pad Life System Message at very Low Mileage.
N1922564002019-10-21. Service bulletin. SERVICE BRAKES, HYDRAULIC; STRUCTURE. N192256400 - Service Update. Certain vehicles may have the E-boost brake pipe(s) contacting the main body wiring harness in the under-hood compartment. A brake pipe contact to the wire harness may cause wear to the brake pipe abrasion sleeve, potentially resulting in the pipe coating experiencing wear and exposing the pipe to additional corrosion. Dealers are to add sumi wraps to the E-boost pipes.
N1922089902019-09-30. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS. N192208990 - Service Update. Certain vehicles may have a condition where the brake lines need to be inspected. In a rare instance, the brake lines could be rubbing on the steering shaft. Dealers are to inspect and replace brake lines or clip if necessary.
19NA1912019-09-23. Service bulletin. SERVICE BRAKES. This Technical bulletin provides a procedure for dealers/technicians to correct a condition of a Premature Replace Brake Pads or Service Brake Pad Life System Message at very Low Mileage.
N192210460 012019-08-26. Service bulletin. ENGINE AND ENGINE COOLING; SERVICE BRAKES, HYDRAULIC; ELECTRICAL SYSTEM. N192210460-01 - Service Update - Certain 2019 Cadillac CT6 equipped with engine RPO?s LSY or LTA, Chevrolet Silverado 1500 (New Model), and GMC Sierra 1500 (New Model) vehicles have a condition where the brake system control module (BSCM) may cause a service brake assist message to appear on the driver?s information center (DIC), and a service engine soon light to illuminate on the dashboard. This may cause the brake pedal feel to be different. The pedal travel will increase for normal/light braking applies. This is caused by a software issue where the motor position sensors do not correlate. Dealers will reflash the BSCM with updated software.
N1922104602019-05-13. Service bulletin. SERVICE BRAKES. N192210460 - Service Update. Certain 2019 Cadillac CT6 equipped with engine RPO?s LSY or LTA, Chevrolet Silverado 1500 (New Model), and GMC Sierra 1500 (New Model) vehicles have a condition where the brake system control module (BSCM) may cause a service brake assist message to appear on the driver?s information center (DIC), and a service engine soon light to illuminate on the dashboard. This may cause the brake pedal feel to be different. The pedal travel will increase for normal/light braking applies. This is caused by a software issue where the motor position sensors do not correlate. Dealers will reflash the BSCM with updated software.

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