No complaints are listed for the 2016 Mack GU. NHTSA's API and bulk file list none in this build.
Data build 2026-10-07.
NHTSA lists this vehicle as MACK GU.
Model-generated complaint tags: No complaints are listed for tagging.
Investigations
1 investigations; 0 open.
PE20005
Opened: 2020-04-28. Closed: 2022-04-04.
mDrive Transmission Failure to Disengage
On April 28, 2020, the Office of Defects Investigation (ODI) opened PE20-005 to investigate reports of 2013-2015 Mack CHU and CXU trucks equipped with mDrive transmissions continuing to push forward when stopping, possibly increasing the risk of a crash. After more field reports were discovered, the scope of the investigation was expanded to cover MY 2013-2016 vehicles. The mDrive transmission is
Systems: POWER TRAIN.
Linked campaign numbers: None listed.
Manufacturer communications
269 manufacturer communications.
Communications by system| System | Count |
|---|
| ENGINE AND ENGINE COOLING | 132 |
|---|
| ELECTRICAL SYSTEM | 58 |
|---|
| EQUIPMENT | 49 |
|---|
| POWER TRAIN | 36 |
|---|
| ENGINE | 27 |
|---|
| SUSPENSION | 14 |
|---|
| FUEL SYSTEM, GASOLINE | 11 |
|---|
| EQUIPMENT ADAPTIVE/MOBILITY | 9 |
|---|
10253804
Date: 2024-04-22. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
CBR: Equipped With An Automated Manual Transmission Model D or F ( AMT-D, AMT-F, mDrive) Missing X1 Value In VDA And Default Settings Guidelines, ParameterP1AOB; Fault Code P1052-54, Error 40,Or Error 18 Encountered During Clutch Or Tran.
10251333
Date: 2024-02-21. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
CBR -Telematics Gateway (TGW) Connect Ability Issues
10251328
Date: 2024-02-16. Type: Service Bulletin/Repair Instructions. Systems: SUSPENSION.
CBR - Driveline Noise, Suspension Ride Height Too High, Suspension Will Not Exhaust - Chassis Built 2016w01 And Newer.
10251329
Date: 2024-02-16. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
CBR - Automated Manual Transmission ( AMT ) Flywheel Pilot Bearing Wear On Input Shaft.
10251331
Date: 2024-02-16. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
CBR - Active "Set Park Brake" Message On Drivers Information Display (DID).
10249553
Date: 2024-01-18. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
CBR: TGW Will Not Connect After SIM Card Replacement
10249551
Date: 2024-01-17. Type: Service Bulletin/Repair Instructions. Systems: STRUCTURE, SUSPENSION.
CBR: Frame Or Cab Lean
10248101
Date: 2023-12-01. Type: Service Bulletin/Repair Instructions. Systems: ENGINE AND ENGINE COOLING.
CBR: For vehicles equipped with an 11L engine, the plastic saddle bracket holding the a/c line on the left side of the engine may move excessively and rub the area where it secures the line.
10248108
Date: 2023-12-01. Type: Service Bulletin/Repair Instructions. Systems: ENGINE AND ENGINE COOLING, UNKNOWN OR OTHER.
Emissions Campaign: Mack Trucks has determined that certain 2014 - 2018 commercial model year CXU, GU, LEU, LR, MRU Vehicles require a replacement Diesel Particulate Filter (DPF) along with updated software.
10246086
Date: 2023-11-07. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
TSB: Mack Trucks now offer an improved HD Inter-Axle Through Shaft for the CRD 125, 150, 180, and 200 family carriers. The new HD shaft went into production on January 23rd, 2023 for 2.54 - 3.50 axle ratios and April 1st, 2023 for 3.56 - 3.98 ratios. The new HD through shaft is an upgrade over the c