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Service bulletin PIT5673

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 id10160669
Published by NHTSA2019-06-03
Manufacturer's numberPIT5673
Manufacturer's date2019-04-15
NHTSA componentEXTERIOR LIGHTING

NHTSA's summary

This Preliminary information communicates information for Intellibeam headlamp inoperative and to inspect the low speed data line.

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

Lighting

Vehicles listed
BUICK ENCLAVE2018, 2019
CADILLAC XT52017, 2018, 2019
CHEVROLET BLAZER2019
CHEVROLET TRAVERSE2018, 2019
GMC ACADIA2017, 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
01-08-42-001Q2025-02-11. Service bulletin. This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.
22-NA-2442024-05-30. Warranty extension. This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
18-NA-0632024-04-05. Service bulletin. This technical bulletin provides repair information to correct customer concerns of multiple electrical issues, dead battery, start/stop inoperative, instrument cluster and switch backlighting remain illuminated.
PIT5673A2024-01-29. Service bulletin. This Preliminary information communicates information for Intellibeam headlamp inoperative and to inspect the low speed data line.
02-08-42-001J2024-01-19. Service bulletin. This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage.
PIP4964E2023-12-04. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Code P2097 or P2099. Technician will need to perform an injector balance or Active Fuel Injector Tester prior to going further. Technician will also need to check for a small leak in the exhaust if published Service Information diagnostics does not lead to a resolution.
21-NA-1352023-11-29. Service bulletin. This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
01-08-42-001P2023-05-09. Service bulletin. This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.
01-08-42-001O2023-02-28. Service bulletin. This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.
18-NA-2792023-02-23. Service bulletin. This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.