| Subject: | Turn signal lamps |
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| Investigations Summary: | This investigation was opened on Oct. 21, 2008. It was closed on Mar. 20, 2009. The subject vehicles may experience loss of function of one or more of the park, turn, stop or daytime running lamps (drl). Failure of the bulb may also include discoloration (heat damage) to the bulb socket. General motors (gm) technical service bulletin (TSB) number 06-08-42-004c instructs technicians to examine the lamp housing for signs of discoloration and to replace the bulbs and or sockets depending on the severity of the discoloration and the condition of the bulbs and sockets. The scope of investigation in the preliminary evaluation (pe08-062) was the 2004 malibu/maxx. However, the agency evaluated gm's warranty data which indicates that the 2005 model year (my) malibu and malibu maxx vehicles are also affected by this condition. This investigation is upgraded to an engineering analysis (ea09-004). |
| Vehicles Affected by this investigation: |
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