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Service bulletin PIT5928

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 id10217765
Published by NHTSA2022-08-15
Manufacturer's numberPIT5928
Manufacturer's date2022-07-05
NHTSA componentEQUIPMENT ADAPTIVE/MOBILITY; SERVICE BRAKES

NHTSA's summary

This Preliminary information provides information to the technician on installing Regular Production Option Code K40 Exhaust Brake and/or 9L7 Upfitter Switches Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 177. The information can be found at http://www.gmupfitter.com/ under the "Technical Bulletin" Tab and then "Show all bulletins."

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

Brakes, Equipment and accessories

Vehicles listed
CHEVROLET 65002019
CHEVROLET SILVERADO 45002019, 2020 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 55002020 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 65002019 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET duplicate SILVERADO 55002019

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

Recalls for the same vehicles and component
25V7680002025-11-06. SERVICE BRAKES, HYDRAULIC:POWER ASSIST
25V3900002025-06-12. SERVICE BRAKES, HYDRAULIC:BRAKE FLUID LOW WARNING:SWITCH/SENSOR/FLOAT
20221602022-03-31. Accessories
21V4960002021-07-01. EQUIPMENT:ELECTRICAL:ENGINE BLOCK HEATER
20201652020-04-16. Accessories
20200792020-02-27. Brakes
20V1160002020-02-27. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER
20200342020-01-30. Brakes
20V0550002020-01-30. SERVICE BRAKES, HYDRAULIC:POWER ASSIST
20196302019-12-12. Brakes

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
23-NA-2012025-10-21. Service bulletin. This service bulletin advises the technician of a possible loose ground that may be causing customer concerns of Loss of Steering Assist and/or Loss of Brake Assist and Malfunction Indicator Lamp (MIL) Illuminated.
25-NA-0652025-04-24. Service bulletin. This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
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.
25-NA-0192025-02-11. Service bulletin. This bulletin advises the tech to check other areas that may need repair before replacing the wheel speed sensor.
21-NA-1552025-01-30. Service bulletin. This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found by a possible faulty trailer connector.
PIT5828D2025-01-20. Service bulletin. This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup or SUV when the vehicle was not ordered with the option. Dealer should advise the customer it cannot be added to the vehicle.
PIT6134G2025-01-20. Service bulletin. This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.
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.
PIT6134E2024-12-05. Service bulletin. This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.
21-NA-0892024-12-04. Service bulletin. This technical bulletin provides a procedure to replace the rear calipers if found packed for of mud and debris.