Service bulletins for the 2026 Peterbilt 589
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.
45 on file from NHTSA, as of 2026-10-19.
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Only bulletins with type: Service campaign are shown. Show all
| 41-028 | 2026-09-29. Service campaign. ENGINE. The campaign expiration date has been extended from 10/01/2026 to 04/01/2027. |
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| E328 | 2026-09-23. Service campaign. ELECTRICAL SYSTEM. Certain chassis with CARB 2024 compliant MX-13 engines must have the PEU wiring harnesses updated. The original wiring and fuse are insufficient for electrical system operation and protection. |
| P001 | 2026-07-02. Service campaign. ENGINE. Leveraging PACCAR’s advanced Prognostic prediction algorithms, certain PACCAR MX-11 and MX-13 EMY 2024-2026 engines will receive proactive replacement instructions for the PM sensor to maximize uptime and maintain optimal performance. |
| 37-004 | 2026-04-07. Service campaign. UNKNOWN OR OTHER. PACCAR MX-13 VECU3 Software Update - Certain heavy-duty chassis equipped with a PACCAR MX-13 engine are eligible for a Vehicle Electronic Control Unit (VECU3) software update. |
| 25PACH | 2026-04-07. Service campaign. SERVICE BRAKES. 25PACH Safety Recall Update - Parts Breakdown by Chassis List has been updated with additional parts for chassis 785289, 785290, 794064, 795896, and 795740. The 25PACH: 20k Steerable Pusher: Replace Air Tank on Top of Battery Box procedure has also been updated with additional steps to remove and replace the air tank brackets. |
| 25PBE | 2025-09-03. Service campaign. SERVICE BRAKES. Parts and repair procedures are now available. Certain chassis may have a rear suspension tracking rod that interferes with the left rear brake valve components during full suspension travel. This interference could cause a loss of the rear service brake or ABS modulation for one rear axle wheel end, increasing the risk of a crash. |
| 25PACF | 2025-09-03. Service campaign. EXTERIOR LIGHTING. Procedures are now available for Phase 1 chassis equipped with Internal Combustion Engines (ICE) and Vehicle Electronic Control Unit (VECU) part number Q21-1157-013-011 / Q21-1157-013-013. Parts and procedures for Phase 2 chassis will be available at a later date. This bulletin will be updated at that time. Please refer to the condition section for more details. Certain Ethernet Multiplexed Architecture (EMUX) chassis fail to conform to Federal and Canada Motor Vehicle Safety Standards (FMVSS/CMVSS) No. 108. Delayed or unsteady illumination of the vehicle’s stop lamps, reverse lamps, turn signal lamps and inadvertent change in headlamp illumination or lift axle position may" |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.