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Service bulletin GCUS-3-400

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 id10079721
Published by NHTSA2016-09-12
Manufacturer's numberGCUS-3-400
Manufacturer's date2016-01-12
NHTSA componentVISIBILITY:SUN/MOON ROOF ASSEMBLY

NHTSA's summary

15224A - CUSTOMER SATISFACTION PROGRAM (REVISED SERVICE PROCEDURE). VEHICLES EQUIPPED WITH A SUNROOF (RPO CF5 OR C3U) MAY HAVE AN ABNORMAL CONDITION IN THE SUNROOF GLASS PANEL THAT CAN CAUSE THE GLASS TO BREAK. DEALERS ARE TO INSPECT AND REPLACE THE SUNROOF WINDOW GLASS PANEL IF NECESSARY.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Glass, wipers and mirrors, Sunroof

Vehicles listed
BUICK REGAL2015
CHEVROLET CRUZE2014, 2015

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
PIE0279A2024-04-08. Service bulletin. Engineering Information.
PIE02792024-04-08. Service bulletin. Engineering Information.
15224Aa2023-12-18. Service bulletin. Sunroof Glass Breaking
15224A2023-12-18. Service bulletin. Sunroof Glass Breaking
PIC5260F2022-07-25. Service bulletin. This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
PIC5260E2022-05-16. Service bulletin. This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
PIE02792021-04-29. Service bulletin. Engineering Information – Sunroof or Sunshade Inoperative, DTC U151B Set Condition Important: If the customer did not bring their vehicle in for this concern, DO NOT proceed with this EI. Some customers may comment that the sunroof or shade is inoperative when the sunroof switch is pressed. When checking the vehicle for DTCs, the BCM may report U151B current or in history. Cause GM Engineering is attempting to determine the root cause of the above condition. Engineering has a need to gather information on vehicles PRIOR to repair that may exhibit this condition. As a result, this information will be used to "root cause" the customer's concern and develop/validate a field fix.
PIC5260D2021-04-19. Service bulletin. This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
PIC5260C2019-06-03. Service bulletin. This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
PIC5260B2018-08-20. Service bulletin. This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.