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Service bulletin PIT6002A

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 id10251679
Published by NHTSA2024-03-18
Manufacturer's numberPIT6002A
Manufacturer's date2024-02-02
NHTSA componentEXTERIOR LIGHTING:HEADLIGHTS

NHTSA's summary

This Preliminary information communicates concerns with dtc U1521 after replacing the headlamp

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, Headlights

Trouble codes named

U1521

Vehicles listed
BUICK ENCLAVE2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017

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
02-08-42-001I2017-08-31. Service bulletin. This informational bulletin provides an out line on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage and what should be considered warranty replacement and not
01-08-42-001K2017-08-31. Service bulletin. This informational bulletin provides information on exterior lamp condinsation and replacement guidelines
10-08-42-001C2012-04-30. Service bulletin. GM: LOW BEAM HEADLAMP BULB DIAGNOSIS/ REPLACEMENT (INSPECT BULB AND CONNECTOR). DO NOT REPLACE THE ENTIRE HEADLAMP ASSEMBLY FOR THIS CONDITION. REPLACE THE BULB AND INSPECT THE CONNECTOR. *JS UPDATED 4/7/15. *PE
SB-10-08-42-001A2011-03-08. Service bulletin. BUICK/CADILLAC/CHEVROLET/GMC/PONTIAC/SATURN: LOW BEAM HEADLAMP BULB DIAGNOSIS/REPLACEMENT (INSPECT BULB AND CONNECTOR). DOES NOT APPLY TO VEHICLES EQUIPPED WITH HIGH INTENSITY DISCHARGE (HID) LAMPS. DO NOT REPLACE THE ENTIRE HEADLAMP ASSEMBLY FOR THIS CONDITION. *PE