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Service bulletin 16-NA-155

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 id10134544
Published by NHTSA2018-04-23
Manufacturer's number16-NA-155
Manufacturer's date2016-05-11
NHTSA componentVEHICLE SPEED CONTROL:CRUISE CONTROL; SERVICE BRAKES, HYDRAULIC

NHTSA's summary

This technical bulletin provides a procedure to re-learn the brake pedal position sensor to correct a customer that the adaptive cruise control (ACC) will dropout without any customer input or without the vehicle detecting the presence of a vehicle in path of travel caused by to brake pedal position being out of sync with the ECM and/or BCM.

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

Brakes, Throttle and cruise control

Vehicles listed
CADILLAC CT62016

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
25-NA-0652025-04-24. Service bulletin. This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
21-NA-0432025-02-12. Service bulletin. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
10-08-110-001L2025-02-11. Service bulletin. This service bulletin provides information on proper use of floor mats.
21-NA-0432024-12-10. Service bulletin. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
PIP5596A2024-04-15. Service bulletin. This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation.
17-NA-0402023-11-22. Service bulletin. This service bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on Initial Brake Applies.
17-NA-0402023-10-14. Service bulletin. This service bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on Initial Brake Applies.
17-NA-0402023-07-11. Service bulletin. This service bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on Initial Brake Applies.
17-NA-0402023-04-22. Service bulletin. This service bulletin provides a procedure to correct a condition of Brake Squeal or Squeak Noise Intermittently on Initial Brake Applies.
PIP5848A2023-04-17. Service bulletin. This Preliminary information communicates additional diagnostics for shudder related complaints.