Complaints over time
Complaints about the 2015 Mack Granite (GU) peaked in 2016, with 1 filed
Owner complaints about this model year, by the year they were filed with NHTSA.
Source: NHTSA ODI complaints file. The lighter column runs through October.
Model year
2015 Mack Granite (GU)
Heavy truck, diesel, built in United States. Owner complaints on file from Sep 9, 2016 to Sep 9, 2016.
Recall campaigns covering this model year8136k vehicles or units across those campaigns
Owner complaints1Below the median 2015 heavy truck
Severity index0.02015 heavy trucks average 19.6
First 24 months0Complaints in its first two years
Components
100% of complaints about the 2015 Mack Granite (GU) name powertrain
Owner complaints by component. Hover or focus a bar for the crash, fire, injury or death count.
Source: NHTSA ODI complaints file. A complaint can name more than one component; it is counted under the first.
Recalls
8 recall campaigns cover the 2015 Mack Granite (GU)
Check a specific vehicle by VIN on NHTSA's site: a campaign may cover only part of a model year's production.
| Campaign | Filed | Subject | Component | Vehicles | Remedy |
|---|---|---|---|---|---|
| 25V-867 | Dec 15, 2025 | Vehicles remedied under Recall 15V804 (SC0398) may have had incorrect parts installed during subsequent repairs | Brakes | 679 | Part replacement |
| 23V-600 | Aug 25, 2023 | Turn signals may be positioned incorrectly, reducing their visibility | Lighting | 27,418 | Not stated |
| 16V-929 | Dec 23, 2016 | Affected vehicles were built with front wheel hubs that cannot support the gross axle weight rating of the front axle | Suspension | 200 | Part replacement |
| 16V-099 | Feb 19, 2016 | Cap nut that retains the interaxle driveshaft yoke to the rear axle input shaft may loosen | Powertrain | 33,981 | Part replacement |
| 15V-804 | Nov 30, 2015 | Due to a brake imbalance between the steer and drive axle brakes, the rear brakes may overheat | Brakes | 679 | Part replacement |
| 15V-702 | Oct 26, 2015 | Affected trucks have engines with a turbocharger oil supply line that may contact or interfere with the turbocharger inlet elbow, clean air intake… | Engine and cooling | 2,571 | Part replacement |
| 15V-528 | Aug 18, 2015 | Affected trucks may be equipped with an air brake system reservoir that does not have a sufficient volume | Brakes | 84 | Not stated |
| 15V-522 | Aug 17, 2015 | Chassis harness and air lines may not be properly clipped to the crossmember, which can allow the cables and air lines to fall and get twisted in… | Electrical system | 62 | Inspection |
Source: NHTSA ODI recalls file.
Owner complaints
What owners reported about the 2015 Mack Granite (GU)
The full text of every complaint filed with NHTSA about this model year, newest first. Complaints are filed by owners and are not verified by NHTSA; NHTSA removes personal details before publishing.
1 complaint on file, page 1 of 1.
- Filed Sep 9, 2016Failure Sep 9, 201624,000 milesOmaha, NEPower train
YOKE NUT AT END OF TRANSMISSION COMES LOOSE. CAUSES A VIBRATION THAT MAKES THE DRIVE LINE FILL OUT. OR NEEDS REPLACED. HAS COME LOOSE 4 TIMES IN 19 MONTHS. MACK IS NOW CHARGING ME FOR THE REPAIRS. MACK HAS NOT GIVEN ME ANY PAPERWORK ON WARRANTY WORK. HAVE NOT SENT ME A BILL YET
NHTSA complaint 10905146
Source: NHTSA ODI complaints file.
Investigations
NHTSA has not opened an investigation on this model year
Source: NHTSA ODI investigations file.
Service bulletins
148 manufacturer communications cover this model year
Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall; the 60 most recent are listed.
- CBR 2573-1 202604 Apr 9, 2026 · Service Bulletin/Repair Instructions
CBR - Mack Chassis - Through Shaft Bearing Retainer Breakage On Mack Carriers. - CBR 2362-3 202604 Apr 9, 2026 · Service Bulletin/Repair Instructions
CBR - Mack Carrier Nut Adhesive Change. - CBR 820-9 202601 Jan 8, 2026 · Service Bulletin/Repair Instructions
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 2171-11 202511 Nov 22, 2025 · Service Bulletin/Repair Instructions
CBR - Mack Temperature Sensor Troubleshooting Guide - CBR 407 072025 Jul 17, 2025 · Service Bulletin/Repair Instructions
CBR - To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP file will need to downloaded. - CBR 2488 072025 Jul 28, 2025 · Service Bulletin/Repair Instructions
CBR - A significant GPS reporting issue is affecting fleet operations, with trucks maintaining back-office communication but failing to transmit GPS location data. - CBR 170-8 202505 May 28, 2025 · Service Bulletin/Repair Instructions
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) - CBR-561 202503 Mar 6, 2025 · Service Bulletin/Repair Instructions
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 - CBR-997 202411 Nov 14, 2024 · Service Bulletin/Repair Instructions
Vehicles may present with oil leak coming from the clutch/flywheel housing and observation of burned clutch smell or clutch slipping. These symptoms can be mistaken as a crankshaft rear main seal leak, when the actual cause is the crankshaft adaptor O-ring. - CBR-731 202409 Sep 16, 2024 · Service Bulletin/Repair Instructions
CBR: Automated Manual Transmission (AMT) Model D or F (mDrive and I-Shift, AMT-D, AMT-F) - Transmission Oil Leakage From Transmission Input Shaft Seal Or Output Shaft Seal - US10 And Newer Emissions, Common Model Years 2010 And Newer - CBR-471 202409 Sep 10, 2024 · Service Bulletin/Repair Instructions
CBR: The procedure to eliminate the Mack Chassis "Air Restriction Light On" seen in the cluster is to confirm that the parameter YYT is set to "Enable" with Premium Tech Tool. - CBR-407 202409 Sep 13, 2024 · Service Bulletin/Repair Instructions
CBR: To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP fi le will need to be downloaded. - CBR-561 202408 Aug 13, 2024 · Service Bulletin/Repair Instructions
CBR: 11L, 13L, And 16L Engine Oil Analysis Specifications - US10 And Newer Emissions - CBR-343 202408 Aug 28, 2024 · Service Bulletin/Repair Instructions
CBR: Mack chassis with an mDRIVE transmission, there have been reports of complete shift assemblies and TECUs being replaced due to technicians being unable to pinpoint the source of the air leak. - CBR-2350 202407 Jul 2, 2024 · Service Bulletin/Repair Instructions
CBR: Telematics Gateway (TGW) Connect Ability Issues - CBR-2383 202406 Jun 19, 2024 · Service Bulletin/Repair Instructions
CBR - Accelerator Pedal: Inspection Instructions - CBR-2139 202405 May 2, 2024 · Service Bulletin/Repair Instructions
CBR: Vehicles built with an 11 liter engine may experience a complaint of excessive fuel in the oil. It is possible that the source of the fuel is the rear fuel galley plug in the cylinder head. A new and improved fuel galley plug has been developed to reso… - CBR-1008 202404 Apr 22, 2024 · Service Bulletin/Repair Instructions
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. - CBR-2350 202402 Feb 21, 2024 · Service Bulletin/Repair Instructions
CBR -Telematics Gateway (TGW) Connect Ability Issues - CBR-2347 202402 Feb 16, 2024 · Service Bulletin/Repair Instructions
CBR - Active "Set Park Brake" Message On Drivers Information Display (DID). - CBR-202 202402 Feb 16, 2024 · Service Bulletin/Repair Instructions
CBR - Automated Manual Transmission ( AMT ) Flywheel Pilot Bearing Wear On Input Shaft. - CBR-2014 202402 Feb 16, 2024 · Service Bulletin/Repair Instructions
CBR - Driveline Noise, Suspension Ride Height Too High, Suspension Will Not Exhaust - Chassis Built 2016w01 And Newer. - CBR-2333 202401 Jan 18, 2024 · Service Bulletin/Repair Instructions
CBR: TGW Will Not Connect After SIM Card Replacement - EC0028M 202312 Dec 1, 2023 · Service Bulletin/Repair Instructions
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. - CBR-2320 202312 Dec 1, 2023 · Service Bulletin/Repair Instructions
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. - M-465-001 202311 Nov 7, 2023 · Service Bulletin/Repair Instructions
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 ne… - M-258-014 202309 Sep 5, 2023 · Service Bulletin/Repair Instructions
TSB: Aftertreatment Diesel Exhaust Fluid (DEF) Tank, Level Sensor, Replacement - M728-005A 202308 Aug 14, 2023 · Service Bulletin/Repair Instructions
TSB: Barksdale Leveling Valve, Leak Test - M-141-001 202308 Aug 18, 2023 · Service Bulletin/Repair Instructions
TSB: Air Restriction Indicator - CBR-2112 202307 Jul 24, 2023 · Service Bulletin/Repair Instructions
CBR: Programming Failure - Chassis With Cummins Engine And An Allison Transmission - CBR-2303 202307 Jul 1, 2023 · Service Bulletin/Repair Instructions
CBR: Mack DEF Dosing Valve Diagnostic Trouble Codes (DTC) P202D00, P208E00, P103B00 - US10+OBD13 And Newer Emissions - SLM23-005 May 31, 2023 · Service Bulletin/Repair Instructions
Service Literature Published and Released in May, 2023 - KC-503-Ver3 May 17, 2023 · Service Bulletin/Repair Instructions
CBR: Automated Manual Transmission ( AMT ) -Transmission Electronic Control Unit ( TECU ) MID130 PSID 29 FMI 7 /P10AE81 Fault Codes Being Generated - KC-2229-Ver2 May 10, 2023 · Service Bulletin/Repair Instructions
CBR: Automated Manual Transmission (AMT) Transmission Kickdown Mode - KC-474-Ver5 May 2, 2023 · Service Bulletin/Repair Instructions
CBR: Diagnostic Trouble Code (DTC) P215A-64, Fault Code SPN 84 FMI 19 - M-170-003 Apr 18, 2023 · Service Bulletin/Repair Instructions
TSB: Vibration Diagnostics - M-170-001 Apr 18, 2023 · Service Bulletin/Repair Instructions
TSB: Stock Vehicle Storage and Maintenance - M-700-001 Apr 18, 2023 · Service Bulletin/Repair Instructions
TSB: Frame Flange Relief Cut-out Templates with 105 millimeter Frame Flanges - M-170-002 Apr 18, 2023 · Service Bulletin/Repair Instructions
TSB: New Vehicle Safety Certification Requirements for Vehicles, U.S. and Canada - KC-2266 Apr 27, 2023 · Service Bulletin/Repair Instructions
CBR: Mack Granite - Diagnostic Trouble Code (DTC) P208464 - KC-2264 Apr 20, 2023 · Service Bulletin/Repair Instructions
CBR: Mack Chassis - Allison Reduced Engine Load At A Stop (RELS) Diagnostic Trouble Code P071a Or P07ce - GR,TE,LR Models - Non-Split/Drop Box PTO - S7627 Feb 28, 2023 · Service Bulletin/Repair Instructions
Mack MMD Alternator Pulley - KC-2254 Feb 13, 2023 · Service Bulletin/Repair Instructions
Mack Chassis - No Gauge Cluster Backlight - KC-2165 Feb 10, 2023 · Service Bulletin/Repair Instructions
Mack DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions - KC-2253 Feb 7, 2023 · Service Bulletin/Repair Instructions
Barksdale Height Control Valve Troubleshooting Guide - M-852-001 Dec 14, 2022 · Service Bulletin/Repair Instructions
2007 document reformatted to be published as a TSB in Impact. Lateral cab movement bracket. - KC-2165 Oct 31, 2022 · Service Bulletin/Repair Instructions
Mack DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions - KC-859 Oct 31, 2022 · Service Bulletin/Repair Instructions
Mack Chassis - Fault Code List / Engine Control Module (ECM), Aftertreatment Control Module (ACM), Electrical System Version 4 Diagnostic Trouble Codes (DTC) Model Year 2013 - 2017 - M-265-002 Sep 22, 2022 · Service Bulletin/Repair Instructions
TSB-Charge Air Cooler t-clamp install. - M-451-002 Aug 6, 2022 · Service Bulletin/Repair Instructions
2009 Document reformatted to be published as a TSB in Impact. Axle Carrier Pinion Angles - M-652-001 Aug 6, 2022 · Service Bulletin/Repair Instructions
2009 Document reformatted to be published as a TSB in Impact. Axle Alignment Specifications - M-413-004 Aug 6, 2022 · Service Bulletin/Repair Instructions
2009 Document reformatted to be published as a TSB in Impact. Air-Operated Clutch Assist Adjustment and Troubleshooting - KC-2112 Jun 21, 2022 · Service Bulletin/Repair Instructions
Programming Failure - Chassis With Cummins Engine And An Allison Transmission - KC-2116 Jun 3, 2022 · Service Bulletin/Repair Instructions
NOx Sensor Troubleshooting Guide - US10+OBD13 And Newer Emissions. - KC-2143 Jun 21, 2022 · Service Bulletin/Repair Instructions
(Back Office) - Cruise Control Inoperative After Updating Software VECU5 Without ESP Package (UESP). - KC-2158 Jun 3, 2022 · Service Bulletin/Repair Instructions
Selective Catalytic Reduction (SCR) Muffler Troubleshooting Guide - US10+OBD13 And Newer Emissions. - KC-2165 Jun 3, 2022 · Service Bulletin/Repair Instructions
DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions. - KC-405 Jun 21, 2022 · Service Bulletin/Repair Instructions
Warranty Automated Manual Transmission ( AMT, I-Shift, mDrive ) Control Housing Assembly; Guidelines For Filing A Claim For Chassis Return Visit With Transmission Issues After A Repair Requiring Control Housing Removal And Reinstallation - US07 And N. - KC-735 Jun 6, 2022 · Service Bulletin/Repair Instructions
Premium Tech Tool (PTT) - Message For Data Mismatch, Product Configuration Mismatch; Instruction To Run An Accessory Kit Displayed When Attempting To Run Diagnostics For Diagnostic Trouble Codes (DTC) Or Programming - US10+OBD13 And Newer Emissions, - KC-745 Jun 22, 2022 · Service Bulletin/Repair Instructions
Automated Manual Transmission ( AMT ) I-Shift / mDRIVE - Ribbon Harness Replacement - Speed Sensor Bolts, Possible Fault Codes P1058 - 21 Or MID 130 PID 161 FMI 1
Source: NHTSA manufacturer communications files.