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Service bulletin 23-NA-108

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 id10239057
Published by NHTSA2023-07-11
Manufacturer's number23-NA-108
Manufacturer's date2023-06-16
NHTSA componentEQUIPMENT; ELECTRICAL SYSTEM

NHTSA's summary

This service bulletin provides repair information to dealers to Replace Video Processing Module (VPM) When Programming Fails.

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

Electrical system, Equipment and accessories

Vehicles listed
BUICK ENVISION2020, 2021, 2022, 2023
CADILLAC CT52020, 2021
CADILLAC CT62020
CADILLAC ESCALADE2021, 2022, 2023
CADILLAC ESCALADE ESV2021, 2022, 2023
CADILLAC ESCALADE NA2021 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC XT42019, 2020, 2021, 2022, 2023
CHEVROLET EQUINOX2022, 2023
CHEVROLET SUBURBAN2021, 2022, 2023
CHEVROLET SUBURBAN 15002021, 2022 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TAHOE2021, 2022, 2023
GMC TERRAIN2022, 2023
GMC TERRAIN NA2022 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2021, 2022, 2023
GMC YUKON XL2021, 2022, 2023

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

Recalls for the same vehicles and component
21V4210002021-06-10. AIR BAGS:SRS MALFUNCTION WARNING LAMP/LIGHT; ELECTRICAL SYSTEM:SOFTWARE
20V7900002020-12-17. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

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
23-NA-1702025-10-25. Service bulletin. This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
25-NA-1152025-09-06. Service bulletin. This service bulletin provides information on the Headrest Audio Speaker distortion and the correction for this condition including wire to wire repair.
25-NA-1012025-06-26. Service bulletin. This service bulletin provides information on the restraint warning lamp being illuminated and the correction to this by replacing the passenger presence module.
22-NA-2422025-06-16. Service bulletin. This warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
24-NA-2292025-06-03. Service bulletin. This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the load on the system that may be causing a drain.
25-NA-0872025-05-02. Service bulletin. This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
21-NA-1392025-05-01. Service bulletin. This service bulletin provides a repair procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3055 Set.
25-NA-0792025-04-29. Service bulletin. Some customers may comment on the left and right air outlet temperatures varying from side to side while on the same temperature setting.
25-NA-0772025-04-29. Service bulletin. Some customers may comment that they do not see any apps on their rear seat infotainment system.
23-NA-1852025-04-28. Service bulletin. This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, Engagement/Disengagement/Ratcheting Concerns.