Service bulletins for the 2027 Mack Pinnacle
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.
5 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| CBR 159 202608 | 2026-09-01. Service bulletin. ELECTRICAL SYSTEM. Mack Trucks Equipped With A Cummins Engine - Engine Preheat Icon Does Not Illuminate In The Instrument Cluster (IC) During Engine Pre-heat (Intake Air Heater) Operation - Vehicles With 2018Instrument Cluster Update, Model Year2018 And Newer |
|---|---|
| CBR-2592-1 202606 | 2026-06-29. Service bulletin. ENGINE. The purpose of this CBR is to provide steps on how to correct a customer complaint of DTC P107B86 accompanied With intermittent loss of throttle. |
| CBR 2573-1 202604 | 2026-05-05. Service bulletin. POWER TRAIN. CBR - Mack Chassis - Through Shaft Bearing Retainer Breakage On Mack Carriers. |
| CBR 2362-3 202604 | 2026-05-04. Service bulletin. POWER TRAIN. CBR - Mack Carrier Nut Adhesive Change. |
| CBR 2712-7 032026 | 2026-04-02. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. CBR - No Start Condition After Over the Air Programing. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.