# Service bulletin PIT\-4835

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: 10030209
- Published by NHTSA: 2009\-08\-19
- Manufacturer's number: PIT\-4835
- Manufacturer's date: 2009\-04\-01
- NHTSA component: EXTERIOR LIGHTING:HEADLIGHTS:SWITCH

## NHTSA's summary

GMC/CHEVROLET: HEADLAMP SWITCH INOP IN MANUAL MODE ONLY. HEADLIGHTS ARE ALWAYS FUNCTIONAL IN AUTOMATIC MODE. THIS COULD BE THE RESULT OF A RELAY INSTALLED IN THE INCORRECT POSITION WITH THE UBEC. \*PE

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Lighting, Headlights

## Vehicles listed

- 2004 to 2009 CHEVROLET COLORADO
- 2004 to 2009 GMC CANYON

## 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
- [070842005](/bulletins/10022266.md), 2007-07-24, Service bulletin: EXTERIOR LIGHTING:HEADLIGHTS. RIGHT HEADLAMP BULB BURNS OUT. \*KB UPDATED 08\-15\-07. \*KB
- [3170E](/bulletins/10019186.md), 2006-02-16, Service bulletin: INTERIOR LIGHTING; EXTERIOR LIGHTING:HEADLIGHTS. IPC, INTERIOR LIGHTS AND/OR HEADLAMPS FLICKER. \*AK FB2

JSON: [/v1/bulletins/10030209](/v1/bulletins/10030209)

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