Service bulletins for the 2021 Peterbilt 348
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
Only bulletins with component: Driver assistance are shown. Show all
| 24KWL/PBL | 2026-08-20. Service bulletin. FORWARD COLLISION AVOIDANCE: WARNINGS. The verbiage in the Introduction section has been updated. |
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| 24PBL | 2025-02-05. Service bulletin. FORWARD COLLISION AVOIDANCE: WARNINGS; UNKNOWN OR OTHER; ELECTRICAL SYSTEM. Safety Recall Updated software and procedures are now available. Certain Vehicle Model Year 2021-2025 Peterbilt chassis configured for trailer towing require a software update for the Bendix EC80 ABS ECU. Software update procedures for certain Battery-Electric Vehicles (BEV) and EC80 ABS ECU part numbers are not yet available. This bulletin will be updated when software update procedures are available for these chassis. Safety Recall publish date: 1/10/25 |
| 13-058 | 2022-01-06. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). Non-Safety Campaign – Certain model 337 and 348 medium duty chassis were built with the ABS module installed incorrectly |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.