TSB M261009 202608
Service Bulletin/Repair Instructions
The current MD electric cooling box mounting blocks access to the radiator drain. This procedure gives the instructions to gain access to the radiator drain.
Vehicle report
2025 MACK MD (ELECTRIC)
Service bulletins
17 bulletinsTechnical 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.
S5025 202608
Service Campaign
Certain MMDe model Mack trucks were assembled without fuse and relay center labels.
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.
S4285 202512
Service Campaign
SC - MMDe Instrument Cluster Software
CBR 2405-3 102025
Service Bulletin/Repair Instructions
CBR - Mack Chassis - MDe Instrument Cluster(IC) Nuisance Popup Message.
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.
S4536 202506
Service Campaign
Mack Trucks has identified that certain MDe model trucks may have complications with the instrument cluster displaying a message requesting the truck be shifted into neutral when the driver’s door is opened, and the truck is already in neutral. Some trucks may also experience issues related to instrument clusters missing the VINNO parameter, affecting Geotab’s ability to read the datalink. Follow the instructions below to update the software in the instrument cluster.
S4437- 202502
Service Campaign
Mack Trucks has identified that certain MMDE model trucks may encounter charging issues when using a Heliox brand charger.
CBR-2016 202412
Service Bulletin/Repair Instructions
Frame lean can be caused by several seemingly isolated possibilities. The two most common are suspension and frame assembly issues.
S4285 202412
Service Campaign
Mack Trucks has developed a software accessory kit for the instrument cluster (IC) on certain MD6-BE and MD7-BE model trucks.
CBR-407 202409
Service Bulletin/Repair Instructions
CBR: To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP fi le will need to be downloaded.
CBR-2393 202409
Service Bulletin/Repair Instructions
CBR: Battery Electric Vehicle (BEV) Faults When Charging
CBR-2391 202408
Service Bulletin/Repair Instructions
CBR: Diagnostic Trouble Code (DTC) U010187- Lost Communication With TECU
CBR-2350 202407
Service Bulletin/Repair Instructions
CBR: Telematics Gateway (TGW) Connect Ability Issues
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.