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2026 Mack MD TSBs

9 Technical Service Bulletins across 4 categories

Other

5 bulletins
11032092

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

11032086

CBR - Mack Carrier Nut Adhesive Change.

11030579

CBR - No Start Condition After Over the Air Programing.

11021333

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

11021332

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 bulletins
11022289

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.

11018813

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

Transmission

1 bulletin
11030591

TSB - Cable, Gear Selector, Replacement

Pre-Delivery & Maintenance

1 bulletin
11024784

CBR - Wiper Linkage Inspection.