Service bulletins for the 2018 Peterbilt 389
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.
53 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Heating and air conditioning are shown. Show all
| 01-082 | 2022-12-07. Service bulletin. VISIBILITY; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:CONDENSOR/EVAPORATOR. Certain model 389 chassis are experiencing freezing of the A/C evaporator or frosting of the compressor and suction line. A field resolution is available to solve this issue. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.