# 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.

- Type: Service bulletin
- NHTSA id: 10251679
- Published by NHTSA: 2024\-03\-18
- Manufacturer's number: PIT6002A
- Manufacturer's date: 2024\-02\-02
- NHTSA component: EXTERIOR LIGHTING:HEADLIGHTS

## NHTSA's summary

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

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-10251679-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-10251679-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Lighting, Headlights

## Trouble codes named

U1521

## Vehicles listed

- 2008 to 2017 BUICK ENCLAVE

## Other bulletins for the same vehicles and component

- [02\-08\-42\-001I](/bulletins/10116890.md), 2017-08-31, Service bulletin: EXTERIOR LIGHTING:HEADLIGHTS; EXTERIOR LIGHTING:BRAKE LIGHTS; EXTERIOR LIGHTING:BACK UP LIGHTS. 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\-001K](/bulletins/10116874.md), 2017-08-31, Service bulletin: EXTERIOR LIGHTING:HEADLIGHTS. This informational bulletin provides information on exterior lamp condinsation and replacement guidelines
- [10\-08\-42\-001C](/bulletins/10043847.md), 2012-04-30, Service bulletin: EXTERIOR LIGHTING:HEADLIGHTS. 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\-001A](/bulletins/10035924.md), 2011-03-08, Service bulletin: EXTERIOR LIGHTING:HEADLIGHTS; EXTERIOR LIGHTING:HEADLIGHTS:HIGH/LOW BEAM DIMMER SWITCH. 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

JSON: [/v1/bulletins/10251679](/v1/bulletins/10251679)

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