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Service bulletin N23-241156

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 id10243572
Published by NHTSA2023-10-05
Manufacturer's numberN23-241156
Manufacturer's date2023-09-13
NHTSA componentBACK OVER PREVENTION:SOFTWARE

NHTSA's summary

(There may be future updates under this same release number.) Your vehicle keeps getting better. This vehicle software update includes the following: Refinements: •Updates made to the overall vehicle software update process. Better Never Stops™

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

Driver assistance, Backup camera

Vehicles listed
CADILLAC CT42021
CADILLAC CT52021

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
23-NA-0842024-08-15. Service bulletin. This service bulletin provides repair information to correct a customer concern of a Blue Hourglass and No Gridlines on Radio Rear View Camera Display While in Reverse.
23-NA-0422023-07-14. Service bulletin. This service bulletin provides repair information to update radio software to correct customer concerns of Software related issues.
PIT5832H2023-06-13. Service bulletin. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
N23-2396592023-05-19. Service bulletin. Your Cadillac keeps getting better. A vehicle software update is ready for you to install which includes the following if your vehicle is equipped: Refinements: Improvements made to Automatic Lane Change feature within Super Cruise. Software improvements to the Super Cruise driver assistance technology. A variety of software improvements to make your in-vehicle experience better. Better Never Stops.
PIT5832G2023-04-17. Service bulletin. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
22-NA-1272023-03-04. Service bulletin. This service bulletin provides repair information on release of Radio Software Version V160 Update to correct customer concerns of radio software issues.
21-NA-0912023-02-08. Service bulletin. This service bulletin provides information for customers/dealers/technicians on Normal Camera Display Operation - Flashing Diamond - Spot - or UFO like image on Camera Display.
PIT5913A2022-07-25. Service bulletin. This Preliminary information communicates a condtion where SD card removed is being displayed on the radio display intermittently. ThisPI advises that engineering is working on a fix for this issue
22NA0282022-06-21. Service bulletin. This service bulletin provides a repair procedure to correct a customer concern of a Whining/Whirring, Whistle, Squeaking, Groaning/Growling Noise Coming from Front Wheel/Engine Area.
PIP5841A2022-06-13. Service bulletin. This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.