AI Damage2016 Mack CXU: common problems
The maker issued 216 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 216
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Engine and cooling | 0 | 0 | 88 |
| Electrical system | 0 | 0 | 36 |
| Equipment | 0 | 0 | 35 |
| Powertrain | 0 | 0 | 35 |
| Engine | 0 | 0 | 23 |
| Suspension | 0 | 0 | 20 |
| Fuel system | 0 | 0 | 12 |
| Service brakes | 0 | 0 | 9 |
| Vehicle speed control | 0 | 0 | 7 |
| Forward collision avoidance | 0 | 0 | 4 |
| Structure | 0 | 0 | 3 |
| Electronic stability control | 0 | 0 | 2 |
| Fuel/propulsion system | 0 | 0 | 2 |
| Wheels | 0 | 0 | 2 |
Comparison
What to check before buying
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- 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. 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
- CBR - Z Spring Bracket Wear
- CBR - Mack Chassis - Engine Brake Only Works With The Brake Pedal, No Function During Cruise
US07 And Newer Emissions, Model Year 2008 And Newer.
- CBR - Mack Temperature Sensor Troubleshooting Guide
- 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 Chassis - Rear Axle Overheat
- Inactive Code P25AE00 Being Generated After A Hard Pull And A Momentary Drop In Engine Oil Pressure (Low…
Inactive Code P25AE00 Being Generated After A Hard Pull And A Momentary Drop In Engine Oil Pressure (Low Oil Pressure) (Possible Related Codes - SPN4811 , SPN 100 , PID 100)
- Cummins Exhaust Aftertreatment System (EATS) catalysts may experience cracking, which may be attributed to…
Cummins Exhaust Aftertreatment System (EATS) catalysts may experience cracking, which may be attributed to excessive vertical vibration in the exhaust stack. To mitigate this issue, a modification to the exhaust stack…
- 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.
NHTSA lists 216 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 2016 Mack CXU?
There are no owner complaints in the NHTSA data for this year; the data comes from 216 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2016 Mack CXU?
NHTSA lists 216 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 2016 Mack CXU 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 2016 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.