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Service bulletins for the 2003 Peterbilt 320

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.

14 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Lighting are shown. Show all

Bulletins, newest first
19PBC2019-08-02. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Safety Recall: Vehicles fail to confirm with FMVSS/CMVSS No 108 Table 1-a requirements which requires 2 red stop lamps. Vehicles were equipped with additional amber stop lamps which may illuminate when the brake is applied, and may confuse other drivers. Resolution is to remove the amber stop lamps and associated wiring.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.