AI Damage2017 Mack CXU: common problems
The maker issued 219 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 219
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Engine and cooling | 0 | 0 | 98 |
| Powertrain | 0 | 0 | 33 |
| Electrical system | 0 | 0 | 30 |
| Equipment | 0 | 0 | 27 |
| Engine | 0 | 0 | 22 |
| Fuel system | 0 | 0 | 20 |
| Suspension | 0 | 0 | 15 |
| Service brakes | 0 | 0 | 8 |
| Fuel/propulsion system | 0 | 0 | 5 |
| Vehicle speed control | 0 | 0 | 4 |
| Structure | 0 | 0 | 3 |
| Electronic stability control | 0 | 0 | 2 |
| Backover prevention | 0 | 0 | 1 |
| Communication | 0 | 0 | 1 |
Comparison
What to check before buying
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- 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
- Emissions - Mack Trucks has determined that certain vehicles equipped with a model year (“MY”) 2017-2018…
Emissions - Mack Trucks has determined that certain vehicles equipped with a model year (“MY”) 2017-2018 MP7 engine may not meet California and Federal Regulations (CARB).
- 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 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 - 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
- Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions and Newer
- Vehicles Equipped With a Common Rail Fuel System - Aftermarket Secondary Fuel Filters, Important…
Vehicles Equipped With a Common Rail Fuel System - Aftermarket Secondary Fuel Filters, Important Information On Approved Filters - US17+OBD16 toUS21+OBD23
NHTSA lists 219 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 2017 Mack CXU?
There are no owner complaints in the NHTSA data for this year; the data comes from 219 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2017 Mack CXU?
NHTSA lists 219 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 2017 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 2017 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.