2026 Mack MD (electric) TSBs
9 Technical Service Bulletins across 3 categories
Categories
Other
6 bulletinsThe current MD electric cooling box mounting blocks access to the radiator drain.
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This procedure gives the instructions to gain access to the radiator drain.
CBR - Mack Chassis - Through Shaft Bearing Retainer Breakage On Mack Carriers.
CBR - Mack Carrier Nut Adhesive Change.
CBR - Mack Chassis - MDe Instrument Cluster(IC) Nuisance Popup Message.
CBR - To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP file will need to downloaded.
CBR - A significant GPS reporting issue is affecting fleet operations, with trucks maintaining back-office communication...
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but failing to transmit GPS location data.
Electrical
2 bulletinsCertain MMDe model Mack trucks were assembled without fuse and relay center labels.
CBR - When an OTA (Over-The-Air) job starts to program the VECU blocks the starter relay out, if the job ends in a...
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Critical failure, the vehicle will remain in Safe State.
Transmission
1 bulletinMack Trucks has identified that certain MDe model trucks may have complications with the instrument cluster displaying a...
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message requesting the truck be shifted into neutral when the drivers 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 Geotabs ability to read the datalink. Follow the instructions below to update the software in the instrument cluster.