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2015 Mack Granite (gu)
NHTSA lists 12 recall campaigns for the 2015 Mack Granite (gu), covering service brakes, air, exterior lighting and suspension, and 1 consumer complaint received since 2016.
The component named most often is power train: 1,000 of every 1,000 component mentions for this year, above the 133.3 per 1,000 across all 2015 model-year vehicles and against 500 per 1,000 for the Mack Granite (gu) line as a whole.
That is more than the average of 0.1 complaints per model year across the 15 Mack Granite (gu) model years on this register.
Complaints were received in the largest number in 2016 (1); the most recent in the file is dated 9 Sep 2016.
Complaints are consumer reports and have not been verified by NHTSA. Recall text is the manufacturer's Part 573 report as filed with NHTSA. Complaint file through 15 May 2019; recall file through 24 Sep 2026.
Recalls by model year:
Recall campaigns
Defect, as filed: Mack Trucks, Inc. (Mack) is recalling certain 2010-2016 Granite (GU) trucks. Vehicles remedied under Recall 15V804 (SC0398) may have had incorrect parts installed during subsequent repairs. The incorrect parts may cause a brake imbalance between the steer and drive axle brakes and the rear brakes to overheat.
Consequence: Overheated brakes may cause a tire blowout or fire, increasing the risk of a crash.
Remedy: Dealers will inspect and replace the brake chambers as necessary, free of charge. Owner letters were mailed April 14, 2026. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0491. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning December 22, 2025. Owners who received a remedy under Recall 15V804 (SC0398) must have the new remedy completed.
Filed by Mack Trucks, Inc. (manufacturer campaign SC0491).
Defect, as filed: Mack Trucks, Inc. (Mack) is recalling certain 2015-2023 GU and GR vehicles. The turn signals may be positioned incorrectly, reducing their visibility. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
Consequence: Low turn signal visibility may not alert other drivers to a turning vehicle, increasing the risk of a crash.
Remedy: Dealers will add additional turn signal lighting, free of charge. Owner letters were mailed September 25, 2024. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0448.
Filed by Mack Trucks, Inc. (manufacturer campaign SC0448).
Defect, as filed: Mack Trucks, Inc. (Mack) is recalling certain model year 2012, 2014-2015 and 2017 Granite (GU), 2012-2017 Pinnacle (CHU, CXU), and 2013-2015 and 2017 Titan (TD) trucks manufactured January 7, 2011, to September 29, 2016. The affected vehicles were built with front wheel hubs that cannot support the gross axle weight rating of the front axle.
Consequence: Overloaded front wheel hubs can result in premature failure of the hubs, bearings, and the related components, which can cause the front hub assembly to separate from the front axle. Because of this, the driver may lose control of the vehicle or parts may be dropped on the road, increasing the risk of a crash.
Remedy: Mack will notify owners, and dealers will replace the hub assemblies, free of charge. The recall began on February 16, 2017. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0406.
Filed by Mack Trucks, Inc. (manufacturer campaign SC0406).
Defect, as filed: Mack Trucks, Inc. (Mack) is recalling certain model year 2012-2016 Granite (GU), Pinnacle (CHU, CXU), TerraPro (LEU, MRU), Titan (TD), and LR trucks manufactured from September 1, 2011, through September 8, 2015. The cap nut that retains the interaxle driveshaft yoke to the rear axle input shaft may loosen.
Consequence: If he cap nut loosens and falls off, the yoke can separate from the axle input shaft and allow the drive shaft to disconnect, increasing the risk of a crash.
Remedy: Mack will notify owners, and dealers will replace the cap nut. The input shaft threads will be inspected for damage. Any damaged input shaft will be replaced. These repairs will be performed free of charge. An interim notice was sent to owners on April 25, 2016. The recall began on June 7, 2016. Owners may contact Mack customer service at 1-610-709-2131. Mack's recall campaign number for this recall is SC0399.
Filed by Mack Trucks, Inc. (manufacturer campaign SC0399).
Defect, as filed: Mack Trucks, Inc. (Mack) is recalling certain model year 2010-2016 Granite 4X2 trucks manufactured September 17, 2009, to July 31, 2015. Due to a brake imbalance between the steer and drive axle brakes, the rear brakes may overheat.
Consequence: If the rear brakes overheat there would be an increased risk of a tire blowout or a wheel-end fire.
Remedy: Mack will notify owners, and dealers will replace either the brake chambers on the steer axles or the drive axles to correct the imbalance, free of charge. The recall began on January 27, 2016. Owners may contact Mack customer service at 1-800-528-6586. Mack's number for this recall is SC0398.
Filed by Mack Trucks, Inc. (manufacturer campaign SC0398).
- 15V702000ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGERReported 26 Oct 2015 · 2,571 units
Defect, as filed: Mack Trucks, Inc. (Mack) is recalling certain model year 2010-2016 Granite (GU), LR, and TerraPro (LEU, MRU) trucks manufactured November 17, 2009 to October17, 2015. The affected trucks have engines with a turbocharger oil supply line that may contact or interfere with the turbocharger inlet elbow, clean air intake clamp, or the air fuel control tube, and result in an oil leak.
Consequence: If the turbocharger oil supply line oil leaks in the proximity of the engine exhaust manifold there would be an increased risk of a fire.
Remedy: Cummins will notify owners on behalf of Mack, and dealers will inspect for oil supply line interference or damage, eliminating the interference and replacing the oil supply line, as necessary, free of charge. The recall is expected to begin November 30, 2015. Owners may contact Cummins at 1-800-343-7357 or Mack customer service at 1-800-866-1177. Cummins' number for this recall is SC0396.
Filed by Mack Trucks, Inc. (manufacturer campaign SC0396).
Defect, as filed: Mack Trucks, Inc. (Mack) is recalling certain model year 2011-2016 Granite (GU) trucks manufactured September 24, 2011, to July 1, 2015. The affected trucks may be equipped with an air brake system reservoir that does not have a sufficient volume. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems."
Consequence: If the air brake system reservoir has as insufficient volume, braking performance may be affected, increasing the risk of a crash.
Remedy: Mack will notify owners, and dealers will add additional air brake reservoir volume, free of charge. The recall began on October 15, 2015. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0394.
Filed by Mack Trucks, Inc. (manufacturer campaign SC0394).
Defect, as filed: Mack Trucks, Inc. (Mack) is recalling certain model year 2013 and 2015 Titan (TD), model year 2014 and 2015 Pinnacle (CHU), and model years 2009-2010, 2012, and 2014-2016 Granite (GU) trucks. The 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 the driveline.
Consequence: If the electrical cables and air lines were to fall and get tangled in the driveline, it could affect the electrical system and braking system, increasing the risk of a vehicle crash.
Remedy: Mack will notify owners, and dealers will inspect the vehicles and properly clip the harness and air lines, free of charge. The recall began on September 30, 2015. Owners may contact Mack customer service at 1-800-528-6586. Mack's number for this recall is SC0393.
Filed by Mack Trucks, Inc. (manufacturer campaign SC0393); components: electrical system:wiring; service brakes, air:supply:hoses, lines/piping, and fittings.
Defect, as filed: Mack Trucks, Inc. (Mack) is recalling certain model year 2015 CXU and GU trucks manufactured January 1, 2014, to August 20, 2014. The affected vehicles contain an incorrectly wired Automatic Shut-down Protection System, which may not operate as expected.
Consequence: If the Automatic Shut-down Protection System does not operate as expected, the operator may be unable to control the increase in the engines rpms, increasing the risk of engine failure and vehicle fire.
Remedy: Mack will notify owners, and dealers will inspect the system for correct operation and repair if necessary, free of charge. The recall began on January 16, 2015. Owners may contact Mack customer service at 1-610-709-2131. Mack's number for this recall is SC0386.
Filed by Mack Trucks, Inc. (manufacturer campaign SC0386).
Defect, as filed: Mack Trucks, Inc. (Mack) is recalling certain 2015 CHU, CXU, and GU trucks manufactured June 4, 2014, through June 18, 2014. In the affected vehicles, the bolts that attach the seat belt to the seat frame may not have been torqued to the required specification. This could cause the bolts to loosen over time, allowing the seat belt to detach.
Consequence: If the seat belt detaches from its mounts, the seat belt would fail to properly restrain to the seat occupant, increasing the risk of injury in the the event of a crash.
Remedy: Mack will notify owners, and dealers will tighten the bolts to the required specification, free of charge. The recall began in October 2014. Owners may contact Mack customer service at 1-800-528-6586. Mack's number for this recall is SC0383.
Filed by Mack Trucks, Inc. (manufacturer campaign SC0383).
Defect, as filed: Mack Trucks, Inc. (Mack) is recalling certain model year 2015 GU trucks manufactured April 28, 2014, to June 19, 2014. The Cummins ISL engines in these vehicles may have been equipped with Fleetguard UFF-XT fuel filters, part number FF63009, whose filter shell may separate from the fuel filter nut plate causing the engine to stall without warning.
Consequence: If the engine stalls unexpectedly there is an increased risk of a crash.
Remedy: Cummins will notify owners, and Cummins Service Centers will replace the fuel filter with a non-defective one, free of charge. The recall began on September 2014. Owners may contact Mack customer service at 1-800-528-6586. Mack's number for this recall is SC0384. Owners may also contact Cummins customer service at 1-800-223-4583.
Filed by Mack Trucks, Inc. (manufacturer campaign SC0384).
Defect, as filed: Mack Trucks, Inc. (Mack) notified the agency on February 20, 2014, that they are recalling certain model year 2010-2012 CHU, CXU, GU and TD vehicles manufactured from June 16, 2009, through July 8, 2011. While continuing to research the scope of the issue, Mack expanded the recall on November 18, 2014 to include certain model year 2008-2009 and 2013-2014 CHU, CXU, GU and TD vehicles manufactured from June 16, 2009, through July 8, 2011. Having completed its investigation, Mack once again expanded the recall during February 2015 to include an additional 53,780 vehicles from model years 2007 and 2015. The recall now covers model year 2007-2015 includes CHU, CXU, GU and TD vehicles produced October 13, 2006, through October 3, 2014. In the affected vehicles, the Electronic Power Distribution Module (EPDM) may be contaminated from water leaks in, and around, the windshield. If exposed to water leaks, contaminants such as road salts may deposit on the EPDM.
Consequence: Deposits of contaminants may result in the circuits being bridged, creating a high resistance short, increasing the risk of a fire.
Remedy: Mack has notified owners, and dealers will inspect the EPDM. If contamination has occurred, dealers will replace the EPDM and address the leak, free of charge. Owners of model year 2010-2012 CHU, CXU, GU and TD vehicles were initially notified April 24, 2014. Owners affected by the recall expansions were notified in February 2015. Owners may contact Mack Trucks at 1-336-393-2000. Mack's number for this recall is SC0375.
Filed by Mack Trucks, Inc. (manufacturer campaign SC0375).
Each entry links to the NHTSA record. NHTSA states that safety recall repairs are free of charge at an authorised dealer; check a specific vehicle by VIN at nhtsa.gov/recalls.
Complaints by component
Component mentions per 1,000 for the 2015 Mack Granite (gu) (black) against all 2015 model-year vehicles in the file (yellow). A complaint can name more than one component.
| Per 1,000 component mentions | 2015 | Granite (gu) line | All 2015 vehicles |
|---|---|---|---|
| Power Train | 1,000 | 500 | 133.3 |
| Component | Mentions | Per 1,000 | Line | All 2015 |
|---|---|---|---|---|
| Power Train | 1 | 1,000 | 500 | 133.3 |
1 unique complaints, 1 component mentions; 0 injuries and 0 deaths reported by complainants. Complaint narratives are not republished.
Complaints by year received
Investigations
No NHTSA Office of Defects Investigation action in the current file names this model year.
Other Mack Granite (gu) model years
| Model year | Recalls | Complaints | Units in campaigns |
|---|---|---|---|
| 2009 NHTSA | 1 | 0 | 62 |
| 2010 | 4 | 0 | 3,991 |
| 2011 | 4 | 0 | 4,013 |
| 2012 | 13 | 0 | 155,795 |
| 2013 | 10 | 0 | 158,609 |
| 2014 | 13 | 0 | 159,412 |
| 2015 | 12 | 1 | 136,381 |
| 2016 | 8 | 0 | 66,661 |
| 2017 | 3 | 1 | 28,805 |
| 2018 | 4 | 0 | 28,159 |
| 2019 | 4 | 0 | 32,636 |
| 2020 | 4 | 0 | 31,889 |
| 2021 | 4 | 0 | 28,290 |
| 2022 | 3 | 0 | 28,282 |
| 2023 NHTSA | 1 | 0 | 27,418 |
Model years with a single campaign and fewer than 25 complaints have no page here; the NHTSA link opens the agency's record for that year.
All Mack Granite (gu) model years · Mack: 90 model lines
Questions and answers
How many recalls does the 2015 Mack Granite (gu) have?
12 NHTSA recall campaigns name this model year; the most recent, 25V867000, was reported to NHTSA on 15 Dec 2025 and concerns service brakes, air:disc:chamber. Across all model years the Mack Granite (gu) line has 29 campaigns.
Is there an open NHTSA investigation into the 2015 Mack Granite (gu)?
No NHTSA investigation in the current file names this model year.
What component do owners of the 2015 Mack Granite (gu) complain about most?
Power Train: 1 of 1 component mentions (1,000 per 1,000). Complaints are consumer reports and have not been verified by NHTSA.
How do I get a recall repaired?
NHTSA states that safety recall repairs are performed free of charge by the manufacturer's authorised dealers. Each campaign's remedy text above is the manufacturer's statement as filed with NHTSA. Check your VIN at nhtsa.gov/recalls to see whether a specific vehicle has an unrepaired recall.
Where does this data come from?
NHTSA's Office of Defects Investigation recall, complaint and investigation flat files, public domain, downloaded 24 Sep 2026. Complaint counts are unique complaint numbers per make, model and model year; component figures count each component a complaint names. The NHTSA record linked from each campaign is authoritative.
Provenance
Source: National Highway Traffic Safety Administration, Office of Defects Investigation flat files (recalls, complaints, investigations), public domain, files dated 24 Sep 2026 (recalls) and 15 May 2019 (complaints). Complaints since 1 Jan 1995. Counts are unique complaint numbers per make, model and model year; per-1,000 rates divide a component's mentions by all mentions for the same group. Errors in processing are corrected at the next daily build; see corrections and the methodology.