Service bulletins for the 2023 Mack LR
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.
70 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Brakes are shown. Show all
| CBR 407 072025 | 2025-08-04. Service bulletin. SERVICE BRAKES; ELECTRICAL SYSTEM. CBR - To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP file will need to downloaded. |
|---|---|
| CBR-407 202409 | 2024-10-03. Service bulletin. SERVICE BRAKES. CBR: To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP fi le will need to be downloaded. |
| CBR-2334 202406 | 2024-07-02. Service bulletin. SERVICE BRAKES. CBR - Brake Caliper Concerns And Premature Brake Pad Wear - Model Year 2023 - 2024 |
| KC-2012-Ver3 | 2023-06-05. Service bulletin. SERVICE BRAKES. CBR: SNM 20-005 - HD Disc Brake Rotor Upgrade |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.