Service bulletins for the 2025 Mack Granite
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.
63 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with type: Service campaign are shown. Show all
| S4342 022026 | 2026-03-03. Service campaign. FUEL/PROPULSION SYSTEM. SC - Mack Trucks has determined that a select group of trucks were built with an AHI Module fuel pressure sensor which does not meet our specifications. |
|---|---|
| S4270 202512 | 2026-01-06. Service campaign. ELECTRICAL SYSTEM. SC - Electric Exhaust Heater Control Unit Update |
| S4632 102025 | 2025-11-03. Service campaign. SEAT BELTS. SC - The vehicle’s seat belt tether may have been assembled with incorrect hardware. |
| S4404 202504 | 2025-05-05. Service campaign. ELECTRICAL SYSTEM. SC - Mack Trucks has determined that certain Anthem and Granite model trucks have a mislabeled Electronic Fuse & Relay Center (EFRC) Cover. |
| S4309 202412 | 2025-01-02. Service campaign. ENGINE. Mack Trucks has identified that certain GR model trucks may encounter an issue with the EECU during a shutdown event. If this occurs, the EECU could become corrupted, leading to multiple fault codes, engine derate, and, in some cases, preventing the truck from starting. For vehicles within the affected population, please follow the instructions below to program the EECU. |
| S4088 202409 | 2024-10-04. Service campaign. POWER TRAIN. Service Campaign: Interaxle Driveline Torque |
| S0488 202407 | 2024-08-01. Service campaign. POWER TRAIN. Service Campaign: Interaxle Driveline Torque |
| S3949 202406 | 2024-07-03. Service campaign. STEERING. SC - Steering Stub Shaft Hardware Replacement |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.