Vehicle report

2026 MACK MD

Compare every MACK MD yearNHTSA and EPA records

Service bulletins

9 bulletins

Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.

CBR 2362-3 202604

Service Bulletin/Repair Instructions

CBR - Mack Carrier Nut Adhesive Change.

CBR 2573-1 202604

Service Bulletin/Repair Instructions

CBR - Mack Chassis - Through Shaft Bearing Retainer Breakage On Mack Carriers.

CBR 2712-7 032026

Service Bulletin/Repair Instructions

CBR - No Start Condition After Over the Air Programing.

TSB M-432-002A 032026

Service Bulletin/Repair Instructions

TSB - Cable, Gear Selector, Replacement

CBR 2517-1 102025

Service Bulletin/Repair Instructions

CBR - Wiper Linkage Inspection.

CBR 2172-5 082025

Service Bulletin/Repair Instructions

CBR - When an OTA (Over-The-Air) job starts to program the VECU blocks the starter relay out, if the job ends in a Critical failure, the vehicle will remain in Safe State.

CBR 2488 072025

Service Bulletin/Repair Instructions

CBR - A significant GPS reporting issue is affecting fleet operations, with trucks maintaining back-office communication but failing to transmit GPS location data.

CBR 407 072025

Service Bulletin/Repair Instructions

CBR - To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP file will need to downloaded.

CBR 2107-21 202505

Service Bulletin/Repair Instructions

Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions and Newer

Reading this report

Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.