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Service bulletin PIT5272B

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 id10151830
Published by NHTSA2018-12-17
Manufacturer's numberPIT5272B
Manufacturer's date2018-11-13
NHTSA componentSTRUCTURE; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

NHTSA's summary

This Preliminary Information communication provides information to the technician about vehicles that may have a whistle noise in the vehicle from the driver or passenger side. Technician will need to inspect for voids in the body sealer on the left or right side A-pillar. Technician should also inspect for voids in the body sealer at the cowl seam and apply sealer as necessary.

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

Body and frame, Glass, wipers and mirrors, Heating and air conditioning

Vehicles listed
CADILLAC ESCALADE2015, 2016, 2017, 2018, 2019
CHEVROLET SILVERADO 15002015, 2016, 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002019 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2015, 2016, 2017, 2018, 2019
CHEVROLET TAHOE2015, 2016, 2017, 2018, 2019
GMC SIERRA2017
GMC SIERRA 15002014, 2015, 2016 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 15002019 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002018 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2015, 2016, 2017, 2018, 2019

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

Recalls for the same vehicles and component
17V0330002017-01-12. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR

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
22-NA-1612025-09-27. Service bulletin. This informational bulletin provides information for dealers/technicians on power folding mirrors do not fold at the same speed.
25-NA-1142025-09-06. Service bulletin. This informational bulletin provides information on Anti-Chip Coating Appearance.
19-NA-2552025-04-10. Service bulletin. This service bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
24-NA-0462025-03-13. Service bulletin. This technical bulletin provides a procedure to correct the condition of Suction Cup Marks on Window Glass.
05-08-51-001L2025-03-08. Service bulletin. This informational bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film.
22-NA-0682025-02-28. Service bulletin. This technical bulletin provides repair information to correct a customer concern of Diagnostic Tips For Park Assist Off Message / Unwanted Or False Park Assist Alerts / No DTCs.
22-NA-2442025-02-12. Service bulletin. This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
21-NA-0432025-02-12. Service bulletin. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
10-08-110-001L2025-02-11. Service bulletin. This service bulletin provides information on proper use of floor mats.
20-NA-1752025-02-08. Service bulletin. This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle.