AI Damage2024 Mack MD: common problems
The maker issued 29 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 29
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 0 | 0 | 8 |
| Powertrain | 0 | 0 | 8 |
| Engine and cooling | 0 | 0 | 5 |
| Engine | 0 | 0 | 4 |
| Suspension | 0 | 0 | 4 |
| Service brakes | 0 | 0 | 3 |
| Fuel/propulsion system | 0 | 0 | 1 |
| Fuel system | 0 | 0 | 1 |
| Parking brake | 0 | 0 | 1 |
| Steering | 0 | 0 | 1 |
| Structure | 0 | 0 | 1 |
| Wheels | 0 | 0 | 1 |
| Other | 0 | 0 | 1 |
Comparison
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- CBR - Mack Chassis - Through Shaft Bearing Retainer Breakage On Mack Carriers
- CBR - Mack Carrier Nut Adhesive Change
- TSB - Cable, Gear Selector, Replacement
- CBR - No Start Condition After Over the Air Programing
- CBR - Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions to US22+OBD2023 (DOES NOT…
CBR - Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions to US22+OBD2023 (DOES NOT APPLY TO AN(4) and PR(4)).
- CBR - When an OTA (Over-The-Air) job starts to program the VECU blocks the starter relay out, if the job…
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 - 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…
CBR - A significant GPS reporting issue is affecting fleet operations, with trucks maintaining back-office communication but failing to transmit GPS location data.
- Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions and Newer
- If oil dilution is suspected refer to the applicable CBR solution below
∙ CBR-659Mack Chassis - Oil Diluted With Fuel; Fuel In Oil, Diagnostic Information - All Emissions, All Model Years
- Frame lean can be caused by several seemingly isolated possibilities
The two most common are suspension and frame assembly issues.
- Vehicles may present with oil leak coming from the clutch/flywheel housing and observation of burned…
Vehicles may present with oil leak coming from the clutch/flywheel housing and observation of burned clutch smell or clutch slipping. These symptoms can be mistaken as a crankshaft rear main seal leak, when the actual…
NHTSA lists 29 bulletins for this year; the 12 newest are shown here.
Other years of this model
Questions and answers
What are the most common problems with the 2024 Mack MD?
There are no owner complaints in the NHTSA data for this year; the data comes from 29 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2024 Mack MD?
NHTSA lists 29 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2024 Mack MD from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2024 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.