Service bulletins for the 2014 Peterbilt 386
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.
27 on file from NHTSA, as of 2026-10-19.
By type
By component
By topic
| SB-E-097 | 2014-08-16. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE. PETERBILT: THE MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATES DUE TO AN ENGINE CONTROL UNIT (ECU) SOFTWARE ISSUE, REAR NOX SENSOR, OPERATING CORRECTLY. *PE |
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| TSB-130155 | 2014-02-26. Service bulletin. ELECTRICAL SYSTEM:WIRING; ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY. CUMMINS: THE RELAYS AND FUSES OF AFTERTREATMENT SYSTEMS, IN WIRING HARNESS, IS POTENTIALLY NOT ADEQUATELY SECURED VIA ORIGINAL EQUIPMENT MANUFACTURE (OEM) AND HAVE WIRE RUBBING POINTS, RELAY DAMAGE OR RUB POINTS. *PE |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.