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Service bulletin DOR-D8C4T-03

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 id10172883
Published by NHTSA2020-03-30
Manufacturer's numberDOR-D8C4T-03
Manufacturer's date2020-01-31
NHTSA componentELECTRICAL SYSTEM; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

NHTSA's summary

This SKU is a Power Window Regulator and Motor Assembly. The customer communication requested return of unsold inventory to inspect the software. The software may be too sensitive to the position of a locating magnet in the assembly causing the activation of the pinch point threshold prematurely. The window will stay open when it should have closed.

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

Electrical system, Glass, wipers and mirrors, Power windows

Vehicles listed
CADILLAC ESCALADE2015, 2016, 2017, 2018, 2019, 2020
CADILLAC ESCALADE ESV2015, 2016 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE ESV2017, 2018, 2019, 2020
CHEVROLET 65002019
CHEVROLET CRUZE2011, 2012, 2013, 2014, 2015
CHEVROLET SILVERADO 15002015, 2016, 2017, 2018, 2019, 2020 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002015, 2016, 2017, 2018, 2019, 2020 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002015, 2016, 2017, 2018, 2019, 2020 (the catalog's model; the bulletin names a series or trim of it)
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 SUBURBAN
CHEVROLET SUBURBAN2015, 2016, 2017, 2018, 2019, 2020
CHEVROLET TAHOE
CHEVROLET TAHOE2015, 2016, 2017, 2018, 2019, 2020
CHEVROLET duplicate SILVERADO 55002019
DORMAN DORMAN
GMC SIERRA 15002015, 2016, 2017, 2018, 2019, 2020 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002015, 2016, 2017, 2018, 2019, 2020 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002015, 2016, 2017, 2018, 2019, 2020 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2015, 2016, 2017, 2018, 2019, 2020
GMC YUKON XL2015, 2016, 2017, 2018, 2019, 2020

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
PIT5291A2024-01-08. Service bulletin. Wind Whistle Noise At Highway Speeds From Left Or Right Rear Quarter Glass Area
PIT52912024-01-08. Service bulletin. Wind Whistle Noise At Highway Speeds From Left Or Right Rear Quarter Glass Area
PIT52862024-01-08. Service bulletin. Pop Or Scrape Noise When Liftgate Or Glass Is Opened Or Power Liftgate Reverses.
PIE0580A2020-12-21. Service bulletin. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise coming from the window regulator area.
PIE05802020-10-05. Service bulletin. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a noise coming from the window regulator area.
DOR-E2P5T-032020-03-30. Service bulletin. This SKU is a Power Window Regulator and Motor Assembly. The customer communication requested return of unsold inventory to inspect the software. The software may be too sensitive to the position of a locating magnet in the assembly causing the activation of the pinch point threshold prematurely. The window will stay open when it should have closed.
16NA0752018-06-04. Service bulletin. This Bulletin provides procedures to correct a condition of Power Foldaway Mirror Glass Shake, Flutter at Normal Driving Speeds
18NA0792018-05-21. Service bulletin. This technical bulletin provides a procedure to replace the drivers front door window regulator motor and door wiring harness if water and/or corrosion is found in the connectors.
PI14542018-05-07. Service bulletin. This preliminary informational bulletin provides repair information for a customer concern of intermittent clicking/rubbing noise when side door glass is moving up or down at cold temperatures.
16-NA-1522018-04-23. Service bulletin. This technical bulletin provides a procedure to reprogram the BCM to correct a customer concern on a dead battery or no start and DTC B1527 set caused by to the child window lock, when active, causing the BCM to continuously wake up and run the battery down.