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Service bulletin 23-NA-085

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 id10239694
Published by NHTSA2023-07-27
Manufacturer's number23-NA-085
Manufacturer's date2023-07-17
NHTSA componentSEAT BELTS; AIR BAGS; ELECTRICAL SYSTEM

NHTSA's summary

This technical bulletin provides a procedure to correct the condition of Service Restraint System Message / Air Bag Warning MIL / DTC B14DC Set.

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

Air bags, Electrical system, Seat belts

Trouble codes named

B14DC

Vehicles listed
CADILLAC ESCALADE2021, 2022
CADILLAC ESCALADE ESV2021, 2022
CADILLAC ESCALADE NA2021 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2021, 2022
CHEVROLET SUBURBAN 15002021, 2022 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TAHOE2021, 2022
GMC YUKON2021, 2022
GMC YUKON XL2021, 2022

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

Recalls for the same vehicles and component
20224562022-08-11. Seats And Restraints
22V6170002022-08-11. SEAT BELTS:CRITICAL FASTENERS
21V4210002021-06-10. AIR BAGS:SRS MALFUNCTION WARNING LAMP/LIGHT; ELECTRICAL SYSTEM:SOFTWARE
20213482021-06-03. Airbag
21V2100002021-03-25. SEAT BELTS:REAR/OTHER
20211652021-03-18. Seats And Restraints
21V1900002021-03-18. SEAT BELTS; SEAT BELTS:REAR/OTHER
20206452020-12-23. Seats And Restraints
20V8110002020-12-23. SEAT BELTS:CRITICAL FASTENERS; SEAT BELTS
20V7920002020-12-17. SEAT BELTS:CRITICAL FASTENERS; SEAT BELTS

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
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13-08-116-001K2025-04-25. Service bulletin. The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
24-NA-0982025-04-24. Service bulletin. This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
15-06-03-001F2025-04-15. Service bulletin. This service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
PIE0820A2025-04-09. Service bulletin. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the power sliding console being inoperative.