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Service bulletin 16NA370

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 id10137285
Published by NHTSA2018-05-21
Manufacturer's number16NA370
Manufacturer's date2018-02-16
NHTSA componentVISIBILITY:SUN/MOON ROOF ASSEMBLY

NHTSA's summary

This technical bulletin provides sunroof noise repair information to correct various customer concerns of hearing a rattle, creak, tick, and/or double click noise during sunroof operation.

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

Glass, wipers and mirrors, Sunroof

Vehicles listed
CADILLAC CT62016
CADILLAC CT6 PLUG-IN HYBRID2017 (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
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.
21NA2582021-12-27. Service bulletin. This service bulletin provides information for dealers/technicians on General Guidelines to Address Sunroof Waterleak Issues.
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.
060089026N2018-06-04. Service bulletin. This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated.
16-NA-3702018-05-21. Service bulletin. This technical bulletin provides sunroof noise repair information to correct various customer concerns of hearing a rattle, creak, tick, and/or double click noise during sunroof operation.
16-NA-1972018-05-21. Service bulletin. This technical bulletin provides a procedure for replacing the sunroof wiring jumper harness due to the sunroof glass and/or sunroof sunshade is inoperative.
16-NA-1972017-10-15. Service bulletin. This informational bulletins provides direction for technicains to inspect the sunroof wiring harness for a possible loose connection.