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Service bulletin PIT5039D

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 id10199284
Published by NHTSA2021-07-19
Manufacturer's numberPIT5039D
Manufacturer's date2021-06-04
NHTSA componentSTRUCTURE:BODY:BUMPERS

NHTSA's summary

This Preliminary Information communication provides information to the technician about vehicles that the customer or up-fitter may have removed the rear bumper, install a different rear bumper, or add a different box/flat bed/cube box/hitch, etc. to the rear of the truck, which affects the rear park assist operation. Technician can disable the rear park assist for this concern.

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

Vehicles listed
CHEVROLET EXPRESS2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
CHEVROLET SILVERADO 15002007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002014 (the catalog's model; the bulletin names a series or trim of it)
GMC SAVANA2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
GMC SIERRA 15002007, 2008, 2009, 2010 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 15002012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002014 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002011 (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.

Other bulletins for the same vehicles and component
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).
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-2442025-02-12. Service bulletin. This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
10-08-110-001L2025-02-11. Service bulletin. This service bulletin provides information on proper use of floor mats.
24-NA-2392025-01-30. Service bulletin. This informational bulletin provides a guide on how to diagnose and test for vibrations utilizing the PicoScope.
21-NA-0432024-12-10. 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.
12-08-51-002R2024-12-10. Service bulletin. This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
19-NA-2552024-11-15. 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).
12-08-51-002Q2024-11-14. Service bulletin. This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
22-NA-2442024-11-13. Service bulletin. This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.