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Service bulletin 23-NA-037

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 id10233353
Published by NHTSA2023-03-30
Manufacturer's number23-NA-037
Manufacturer's date2023-03-08
NHTSA componentTIRES; TIRES:TEMPORARY/EMERGENCY SPARE TIRE

NHTSA's summary

This informational bulletin provides Information on Light Duty Silverado and Sierra Correct Spare Tire Size for Accessory Wheel Packages.

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

Tires

Vehicles listed
CHEVROLET SILVERADO 15002021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 15002021, 2022, 2023 (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
20217672021-12-17. Tires
21V9850002021-12-16. TIRES:TEMPORARY/EMERGENCY SPARE TIRE
21V5780002021-07-29. TIRES:TEMPORARY/EMERGENCY SPARE TIRE
20205302020-11-06. Tires
20V6840002020-11-05. TIRES

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
N2424375102024-04-10. Service bulletin. Customer Satisfaction Program - certain vehicles may have been built with incorrect tires for the police pursuit package. Dealers are to replace 4 driving tires and 1 spare tire.
PIT4506G2024-03-18. Service bulletin. This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks and Utilities may ask if they can lower their tire pressures. Tire pressures being set to the "Tire and Loading Label" will ensure the safe handling and ride characteristics of the truck and should not be lowered.
20-NA-1592023-10-18. Service bulletin. This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
22-NA-1832023-07-26. Service bulletin. This service bulletin advises the technician of a different tire/rim option that can be used to correct a customer concern of poor ride quality at highway speeds.
PIT4261J2023-07-17. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer should communicate to the customer that slight sidewall indentations are a common characteristic of radial tire construction.
20-NA-1592023-03-30. Service bulletin. This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
07-03-16-004E2023-02-08. Service bulletin. This service bulletin provides information for tire pressure monitoring (TPM) system concerns.
00-00-90-002M2023-02-08. Service bulletin. This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks.
PIT3271N2022-12-12. Service bulletin. This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
PIT4261H2022-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer should communicate to the customer that slight sidewall indentations are a common characteristic of radial tire construction.