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Service bulletins for the 2020 Chevrolet Traverse

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.

782 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
21NA2522021-12-27. Service bulletin. EQUIPMENT; PARKING BRAKE:ELECTRICAL; ELECTRICAL SYSTEM:SOFTWARE. This technical bulletin provides repair information to correct a customer concern of Electronic Park Brake Applying Intermittently After Vehicle Shutdown without DTC?s.
PIT5662F2021-09-13. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:WARNING; PARKING BRAKE. This Preliminary information communicates information to diagnose DTC C056D or C056E.
21NA1422021-08-09. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS; EQUIPMENT. This technical bulletin provides repair information to correct a customer concern of hearing front brake grind/groan noise after sitting overnight.
19NA1152021-03-01. Service bulletin. SERVICE BRAKES. This technical bulletin provides repair information to correct a customer concern of a rear brake squeal noise.
19NA1152021-02-22. Service bulletin. SERVICE BRAKES. This technical bulletin provides repair information to correct a customer concern of a rear brake squeal noise.
19NA1152021-02-01. Service bulletin. SERVICE BRAKES, AIR:DISC:PADS; SERVICE BRAKES. This technical bulletin provides repair information to correct a customer concern of a rear brake squeal noise.
20NA0712020-12-21. Service bulletin. ENGINE; 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.
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.

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