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Service bulletin 16-NA-379

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 id10116608
Published by NHTSA2017-08-31
Manufacturer's number16-NA-379
Manufacturer's date2017-02-17
NHTSA componentPARKING BRAKE

NHTSA's summary

This technical bulletin provides a procedure to program the CCM and the TRCM to correct the customers concern of the parking brake applying without having to activate the switch.

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, Parking brake

Vehicles listed
BUICK LACROSSE2017
CADILLAC XT52017

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
PIT5662G2022-04-18. Service bulletin. This Preliminary information communicates information to diagnose DTC C056D or C056E.
PIT5662F2021-09-13. Service bulletin. This Preliminary information communicates information to diagnose DTC C056D or C056E.
PIT5662D2020-02-10. Service bulletin. This Preliminary information communicates information to diagnose DTC C056D or C056E.
PIT5662B2019-06-10. Service bulletin. This Preliminary information communicates information to diagnose DTC C056D or C056E.
PIT5441C2019-04-08. Service bulletin. This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles that may have an Object Detection System Message Diagnostic Trouble Codes U0075, U026A, U026B, U026C, U0265, U0268, and/or U0269 stored in the active safety module. Technician should inspect his Multiple Diagnostic Interface cable for damage. Technician should use the Multiple Diagnostic Interface on a like vehicle with object detection bus or theEL-47955-1 MDI 1, MDI 2 Self-Test Loopback Adapter,if there are no issues found finish with diagnosing the customer’s concern, if concern is present in the like vehicle replace the Multiple Diagnostic Interface cable.
16-NA-3792018-05-21. Service bulletin. This technical bulletin provides a procedure to program the CCM and the TRCM to correct the customers concern of the parking brake applying without having to activate the switch.
PI1410B2018-05-21. Service bulletin. This preliminary informational bulletin provides information regarding the normal characteristic of instrument panel red brake light intermittently comes on.
17-NA-0022017-08-31. Service bulletin. This technical bulletin provides a procedure to reprogram the EBCM to correct the customers concern of the parking brake light flashing.