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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: Electrical system are shown. Show all

Bulletins, newest first
PIT57452020-08-10. Service bulletin. ELECTRICAL SYSTEM; SEATS. This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw.
20NA1322020-08-10. Service bulletin. ELECTRICAL SYSTEM. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
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.
PIE05672020-06-22. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to SD Code messages displayed on the Radio Screen and/or Instrument Cluster - Navigation System Malfunction.
070849020Q2020-06-22. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin provides information for the IPC odometer programming method quick reference guide.
070604025M2020-06-22. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin provides information on Clicking/Ticking Sound/Noise Heard During Cold Start and that this should be considered a normal characteristic.
060089029T2020-06-22. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT. This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
060089029S2020-06-22. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT. This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
19NA2692020-06-22. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. This Technical bulletin provides a service procedure for dealers/technicians on installation of Radio Software Version U148 Over-the-Air Update.
PIT5411T2020-06-15. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This Preliminary Information communication advises the technician that the Radio or Tuner, radio controls, Integrated Center Stack, HUD's, IPC's, and radio displays are placed on restriction through the General Motors Technical Assistance Center. Dealers will need to contact General Motors Technical Assistance Center for further assistance.
20NA0712020-05-26. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. 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.
20NA0702020-04-27. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT ADAPTIVE/MOBILITY. This technical bulletin provides repair information to correct a customer concern of Instrument Cluster Driver Information Center Defaults to Settings or Units Page at Start.
20NA0672020-04-27. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin provides information for dealers/technicians on Accessory Rear Seat Infotainment (RSI) Shuts Off, Coinciding with Closing of Door or Liftgate.
PIP5697B2020-04-13. Service bulletin. ELECTRICAL SYSTEM; ENGINE; POWER TRAIN. This Preliminary information communicates a possible BCM concern if DTC P0747 sets during engine cranking when the transmission is in park.
PIP5704A2020-03-09. Service bulletin. EQUIPMENT; STRUCTURE; ELECTRICAL SYSTEM. This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly.
030846004W2020-03-09. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin provides information regarding Part Restriction and Ordering Process Information for OnStar® Vehicle Communication Interface Modules (VCIM) (GMNA Only).
19NA2782020-03-02. Service bulletin. ELECTRICAL SYSTEM:HORN. This technical bulletin provides a procedure to replace the right side low note horn assembly to fix a frequency that will cause distorted noise when reflecting off of the original horn assembly bracket.
PIT5411R2020-02-10. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This Preliminary Information communication advises the technician that the Radio or Tuner, radio controls, Integrated Center Stack, HUD's, IPC's, and radio displays are placed on restriction through the General Motors Technical Assistance Center. Dealers will need to contact General Motors Technical Assistance Center for further assistance.
N1922718202020-02-10. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. N192271820 - Customer Satisfaction Program. Certain vehicles, equipped with a one color graphic driver instrument display (RPO UDC), may have a condition in which the instrument panel cluster (IPC) was incorrectly configured. Without the correct configuration, the safety features such as forward collision alert (FCA), following distance indicator (FDI) and lane keep assist (LKA) are not conveyed visually to the driver, and the driver may not realize why the warning is sounding. Dealers are to perform the Setup and Configuration for the IPC.
19NA2712020-01-21. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE. This technical bulletin provides repair information to correct a customer concern of the Accessory Rear Seat Infotainment (RSI) shuts off, coinciding with closing of a door or liftgate.
PIP4670H2019-10-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles.
PI0592E2019-09-23. Service bulletin. ELECTRICAL SYSTEM. This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes E4398, E4399, E4403, M4404, M4413, E4414, E4423, E4491 or E6961).
100845001G2019-07-29. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
060847001O2019-07-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM. This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module.

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