NHTSA lists 1 complaints for the 2015 Mack GU, 0 of them mention a crash and 0 mention a fire. 0 complaints mention an injury, with 0 injuries and 0 deaths reported.
Data build 2026-10-08.
NHTSA lists this vehicle as MACK GU.
Complaints per 100k sold unavailable. No sales source is available for this record.
| System | Complaints | Share of this vehicle's complaints |
|---|---|---|
| POWER TRAIN | 1 | 100.0% |
| System | Subsystem | Complaints |
|---|
One complaint can name several systems, so shares can add to more than 100 percent.
These labels are model-generated, not NHTSA data.
| Label | Count | Share of tagged | Mean confidence |
|---|---|---|---|
| unclear | 1 | 100.0% | 0.98 |
| Label | Count | Share of tagged | Mean confidence |
|---|---|---|---|
| low | 1 | 100.0% | 0.89 |
Model: typesafe/jev-1.13-20260917; schema version: tag-v1. 1 tagged complaints of 1 complaints (100.0%).
Confidence is the model's own probability for the label it chose (0 to 1), not accuracy.
Model-generated labels on tagged complaints only. Model years 2013 and newer are tagged in full; 2012 in part (see tagged_share); earlier model years have no tags. NHTSA's own flags remain separate in the complaints block.
See new recalls and investigations this week.
0 recalls.
0 investigations; 0 open.
237 manufacturer communications.
| System | Count |
|---|---|
| ENGINE AND ENGINE COOLING | 88 |
| ELECTRICAL SYSTEM | 56 |
| EQUIPMENT | 45 |
| POWER TRAIN | 38 |
| ENGINE | 22 |
| SUSPENSION | 14 |
| FUEL SYSTEM, GASOLINE | 11 |
| SERVICE BRAKES, AIR | 8 |
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.
Date: 2024-02-21. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
CBR -Telematics Gateway (TGW) Connect Ability Issues
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.
Date: 2024-02-16. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
CBR - Automated Manual Transmission ( AMT ) Flywheel Pilot Bearing Wear On Input Shaft.
Date: 2024-02-16. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
CBR - Active "Set Park Brake" Message On Drivers Information Display (DID).
Date: 2024-01-18. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
CBR: TGW Will Not Connect After SIM Card Replacement
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.
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.
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
Date: 2023-09-05. Type: Service Bulletin/Repair Instructions. Systems: ENGINE AND ENGINE COOLING.
TSB: Aftertreatment Diesel Exhaust Fluid (DEF) Tank, Level Sensor, Replacement
None listed.
| NHTSA model label | Complaints |
|---|---|
| GU | 1 |
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