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Service bulletin PIE0550

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 id10169369
Published by NHTSA2019-12-16
Manufacturer's numberPIE0550
Manufacturer's date2019-11-25
NHTSA componentBACK OVER PREVENTION

NHTSA's summary

This engineering information (EI) bulletin is requesting information from the field on conditions of Rear Vision Back Up Camera Image Goes Blank, Distorted, Grainy, Lines, Flickering or Service Message on CUE Screen. Eng is attempting to root cause condition and validate a field fix.

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 ATS2016, 2017, 2018, 2019

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
17-NA-3312023-02-28. Service bulletin. This informational bulletin provides information to the customer about the rear camera guidelines not being present at times due to the VBM taking over the rear camera option.
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.
070601016G2022-06-13. Service bulletin. This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
PIP57852022-03-14. Service bulletin. This Preliminary information communicates the source component of the noise could be the bearing or shaft and not engine related.
PIC6048N2022-02-14. Service bulletin. This Preliminary Information communicates to the technician that some customers may comment on the operation of their haptic seat during a Lane Keep Assist event. Lane Keep Assist works differently than Lane Departure Warning. The Lane Keep Assist icon is solid amber, Forward Camera Module is actively commanding a torque to Electronic Power Steering. This means that the driver should also feel some feedback from the steering wheel. No Chimes or haptic in the seat. Lane Keep Assist icon is flashing amber; Forward Camera Module is actively commanding torque to Electronic Power Steering. This will also be accompanied with Lane Departure Warning chimes and haptic in the seat feedback based on the setting chosen in the vehicle settings. This will take place when the vehicle has crossed lane marking by (40 cm) or (15.75 in).
17NA0402021-12-20. Service bulletin. This service bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on Initial Brake Applies.
PI1489A2021-09-07. Service bulletin. Malfunction Indicator Lamp (MIL) Illuminated, Intermittently Unable to Shift into Reverse, DTC P0502 Set
PI1187C2021-09-07. Service bulletin. Information on Inside Rear view Mirror and Camera Loose
21NA0302021-05-24. Service bulletin. This service bulletin provides a procedure to correct a customer concern of Engine Noise and/or Belt Squeak, MIL Illuminated.
PIP57852021-04-19. Service bulletin. This Preliminary information communicates the source component of the noise could be the bearing or shaft and not engine related.