WenmarOpen by Wenmar Pro

Service bulletin N202316160

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 id10187369
Published by NHTSA2021-02-22
Manufacturer's numberN202316160
Manufacturer's date2020-12-21
NHTSA componentSEAT BELTS

NHTSA's summary

Service Update - Certain 2020 model year Chevrolet Silverado 1500/2500 and GMC Sierra 1500/2500 vehicles may have a condition where the driver side front outboard seat belt may not retract due to a broken rewind spring. If the seat belt is loose, the effectiveness of the restraints may be reduced. The retractor will still pretension and lock during a crash. Replace the seat belt retractor.

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

Seat belts

Vehicles listed
CHEVROLET SILVERADO 15002020 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 15002020 (the catalog's model; the bulletin names a series or trim of it)

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

Recalls for the same vehicles and component
20206242020-12-17. Seats And Restraints
20V7920002020-12-17. SEAT BELTS:CRITICAL FASTENERS; SEAT BELTS
20195752019-11-14. Seats And Restraints
19V8140002019-11-14. SEAT BELTS:PRETENSIONER

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
99-09-40-005I2023-07-28. Service bulletin. This service bulletin provides information on availability for a seat belt extender.
N2023161602021-03-01. Service bulletin. Service Update - Certain 2020 model year Chevrolet Silverado 1500/2500 and GMC Sierra 1500/2500 vehicles may have a condition where the driver side front outboard seat belt may not retract due to a broken rewind spring. If the seat belt is loose, the effectiveness of the restraints may be reduced. The retractor will still pretension and lock during a crash. Replace the seat belt retractor.
N2023161602021-02-16. Service bulletin. Service Update - Certain 2020 model year Chevrolet Silverado 1500/2500 and GMC Sierra 1500/2500 vehicles may have a condition where the driver side front outboard seat belt may not retract due to a broken rewind spring. If the seat belt is loose, the effectiveness of the restraints may be reduced. The retractor will still pretension and lock during a crash. Replace the seat belt retractor.
N2023161602021-02-01. Service bulletin. Service Update - Certain 2020 model year Chevrolet Silverado 1500/2500 and GMC Sierra 1500/2500 vehicles may have a condition where the driver side front outboard seat belt may not retract due to a broken rewind spring. If the seat belt is loose, the effectiveness of the restraints may be reduced. The retractor will still pretension and lock during a crash. Replace the seat belt retractor.
20NA0482020-05-26. Service bulletin. This technical bulletin provides repair information to correct a customer concern of hearing a rattle noise from driver or passenger seat belt.