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Service bulletins for the 2019 Chevrolet Blazer

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.

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

By type

By component

By trouble code

By topic

Only bulletins with component: Brakes are shown. Show all

Bulletins, newest first
17NA2712020-09-28. Service bulletin. SERVICE BRAKES, HYDRAULIC; WHEELS. This bulletin provides a procedure to clean the back side of the rims and rotors and to correct the customers concern of wheel clicking.
19NA1152020-08-31. Service bulletin. SERVICE BRAKES. This technical bulletin provides repair information to correct a customer concern of a rear brake squeal noise.
20NA0712020-08-10. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC:POWER ASSIST; ENGINE. This technical bulletin provides repair information to correct a customer concern of the Service Engine Soon Lamp illuminated and/or Service Power Brake Assist message displayed, with DTCs P0557 or P0558 Stored.
20NA0712020-04-27. Service bulletin. SERVICE BRAKES, HYDRAULIC:POWER ASSIST; EQUIPMENT. This technical bulletin provides repair information to correct a customer concern of the Service Engine Soon Lamp illuminated and/or Service Power Brake Assist message displayed, with DTCs P0557 or P0558 Stored.
19NA1152020-03-02. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS. This technical bulletin provides repair information to correct a customer concern of a rear brake squeal noise.
PIT5662D2020-02-10. Service bulletin. PARKING BRAKE. This Preliminary information communicates information to diagnose DTC C056D or C056E.
19NA2722020-01-21. Service bulletin. SERVICE BRAKES. This technical bulletin provides repair information to correct a customer concern of Unwanted Forward Automatic Braking.
19NA2342019-12-16. Service bulletin. SERVICE BRAKES. This technical bulletin provides a procedure for a squeak and/or creak type noise heard when applying the brake and/or cycling the pedal while in park.
19NA2342019-11-25. Service bulletin. SERVICE BRAKES. This technical bulletin provides a procedure for a squeak and/or creak type noise heard when applying the brake and/or cycling the pedal while in park.
19NA1152019-09-23. Service bulletin. SERVICE BRAKES. This technical bulletin provides repair information to correct a customer concern of a rear brake squeal noise.
19NA0922019-08-26. Service bulletin. SERVICE BRAKES, HYDRAULIC:POWER ASSIST; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides repair information to correct a customer concern of Rear Park Assist Inoperable.
N1922107502019-08-26. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS; SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS. Service Update Bulletin. Certain 2019 Chevrolet Blazer vehicles may have a condition where the brake line may make contact with the brake booster causing a rub-thru condition. Bend the brake line away from the brake booster, assuring a 7mm clearance.
PIT5662B2019-06-10. Service bulletin. PARKING BRAKE. This Preliminary information communicates information to diagnose DTC C056D or C056E.

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