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.
By type
By component
By topic
| 13-049 | 2019-03-18. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Information: Bendix ACOM Software version 6.16.5.0 for diagnostics may introduce an unrecoverable error. Notice to dealers to replace this version with older software version until Bendix introduces new version. |
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| 45-059 | 2019-01-07. Service bulletin. ENGINE. Non-Safety Campaign: Vehicles built with MY2018 PACCAR MX Engine may have improper grounding from the air dryer pressure ground signal. Improper grounding creates faults and signal noise and potential DTCs. |
| 03-064 | 2018-08-13. Service bulletin. ELECTRICAL SYSTEM. Information - Recommended Practices for Updating ESA Software |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.