No complaints are listed for the 2015 Mack LR6. NHTSA's API and bulk file list none in this build.
Data build 2026-10-07.
NHTSA lists this vehicle as MACK LR6.
Model-generated complaint tags: No complaints are listed for tagging.
Recalls
1 recalls.
Date: 2015-05-11. Systems: ENGINE AND ENGINE COOLING.
Defect: Mack Trucks, Inc. (Mack) is recalling certain model year 2011-2016 Mack MRU and LEU trucks manufactured June 25, 2010, to April 30, 2015, and 2015-2016 LR6 trucks manufactured from December 18, 2014 through March 6, 2015. Excessive engine crankcase pressures may cause the 90-degree elbow of the vent tube assembly to detach from the crankcase ventilation breather, possibly allowing engine oil to c (excerpt)
Consequence: If engine oil comes into contact with a hot surface, there could be an increased risk of a fire. (excerpt)
Remedy: Cummins will notify owners on behalf of Mack, and Cummins service centers will administer the repairs which include securing the ends of the 90-degree elbow and reprogramming the electronic control module (ECM) with software that can adjust the engine output under misfire conditions to limit crankcase pressures. These repairs will be performed free of charge. The recall began on June 12, 2015. O (excerpt)
Do not drive: No. Park outside: No.
Manufacturer communications
80 manufacturer communications.
Communications by system| System | Count |
|---|
| ENGINE AND ENGINE COOLING | 39 |
|---|
| POWER TRAIN | 16 |
|---|
| ELECTRICAL SYSTEM | 14 |
|---|
| EQUIPMENT | 9 |
|---|
| UNKNOWN OR OTHER | 5 |
|---|
| SUSPENSION | 3 |
|---|
| FUEL SYSTEM, GASOLINE | 2 |
|---|
| SERVICE BRAKES, AIR | 2 |
|---|
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
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.
10243453
Date: 2023-09-05. Type: Service Bulletin/Repair Instructions. Systems: ENGINE AND ENGINE COOLING.
TSB: Aftertreatment Diesel Exhaust Fluid (DEF) Tank, Level Sensor, Replacement
10241946
Date: 2023-08-14. Type: Service Bulletin/Repair Instructions. Systems: SUSPENSION.
TSB: Barksdale Leveling Valve, Leak Test
10240231
Date: 2023-07-24. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM, ENGINE AND ENGINE COOLING, POWER TRAIN.
CBR: Programming Failure - Chassis With Cummins Engine And An Allison Transmission