NHTSA vehicle safety data
2018 Mack GRANITE (GU) Recalls & Complaints
The 2018 Mack GRANITE (GU) has 4 NHTSA recall campaigns and 1 owner complaint on file as of November 3, 2026. Recall repairs are usually free at an authorized Mack dealer.
NHTSA recall and complaint data for the 2018 Mack GRANITE (GU). Recall data is refreshed daily from NHTSA.
2018 Mack GRANITE (GU) owner complaints
Owners have filed 1 complaint with NHTSA about the 2018 Mack GRANITE (GU), describing incidents dated November 2, 2020.
Most-cited components
- Suspension 1 complaint
Newest complaints
ODI #11373158 · Filed
THE "U"BOLTS THAT ATTACH THE DRIVE AXLES TO THE SUSPENSION APPEAR TO BE FAULTY. WE'VE HAD TWO BREAK ON TWO SPATE OCCASIONS IN LESS THAN A WEEK. BOTH TIMES THE TRUCK WAS LOADED WITH APPROXIMATELY 79000 LBS, WE DON'T RUN OVER WEIGHT, AND DRIVING. FIRST TIME WAS LEFT REAR DRIVE AXLE AND THE SECOND WAS…
Untested Tires May Fail/FMVSS 119
NHTSA #24V773000 · Tires · NHTSA notice
Reported October 18, 2024 · Mack Trucks, Inc.
Potentially affected: 49 vehicles
Repair completion: 73.47% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Mack campaign SC0471 · Owners notified November 6, 2024
Defect description
Mack Trucks, Inc. (Mack) is recalling certain 2019-2025 GR and 2018 GU Granite vehicles equipped with non-DOT tested tires. The tires may not have been DOT tested and confirmed to be sufficient for the vehicles. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 119, "New Pneumatic Tires - Other Than Passenger Cars."
Safety consequence
Insufficient tires can fail, increasing the risk of a crash.
Manufacturer remedy
Dealers will inspect and replace the tires as necessary, free of charge. Owner notification letters were mailed November 6, 2024. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0471.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153) or go to nhtsa.gov.
Low Turn Signal Visibility/FMVSS 108
NHTSA #23V600000 · Exterior Lighting — Turn Signal · NHTSA notice
Reported August 25, 2023 · Mack Trucks, Inc.
Potentially affected: 27,418 vehicles
Repair completion: 53.18% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Mack campaign SC0448
Defect description
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."
Safety consequence
Low turn signal visibility may not alert other drivers to a turning vehicle, increasing the risk of a crash.
Manufacturer 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.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Vehicle May Not Stay In Lane/FMVSS 136
NHTSA #21V233000 · Electronic Stability Control (ESC) — Control Module — Software · NHTSA notice
Reported April 1, 2021 · Mack Trucks, Inc.
Potentially affected: 557 vehicles
Repair completion: 77.38% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Mack campaign SC0423 · Owners notified April 21, 2021
Defect description
Mack Trucks, Inc. (Mack) is recalling certain 2018-2022 Anthem (AN), Granite (GR/GU), and Pinnacle (CHU/CXU/PI) vehicles equipped with "camelback" rear suspension and electronic stability control. The vehicles may not stay in their lane at certain speeds. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 136, "Electronic Stability Control Systems on Heavy Vehicles."
Safety consequence
A vehicle that drifts out of its lane increases the risk of a crash.
Manufacturer remedy
Mack will notify owners, and dealers will reprogram the vehicle control units, free of charge. The recall began on April 21, 2021. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0423.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Loss of Lighting and Windshield Wipers
NHTSA #18V152000 · Visibility — Windshield Wiper/Washer · NHTSA notice
Reported March 6, 2018 · Mack Trucks, Inc.
Potentially affected: 135 vehicles
Repair completion: 93.33% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Mack campaign SC0409 · Owners notified March 23, 2018 · Vehicles built April 18, 2017 – December 18, 2017 (per NHTSA)
Defect description
Mack Trucks, Inc. (Mack) is recalling certain 2018 Anthem (AN), Granite (GU), and Pinnacle (CXU, PI) trucks. An electrical overload condition may cause the light control module (LCM) to fail, resulting in the loss of the exterior lighting, interior dashboard lighting, and the windshield wipers.
Safety consequence
Loss of lighting or windshield wiper function can increase the risk of a crash.
Manufacturer remedy
Mack will notify owners, and dealers will replace and reprogram the LCM, free of charge. The recall began on March 23, 2018. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0409.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Other Mack GRANITE (GU) model years
Check your 2018 Mack GRANITE (GU) VIN
Not every recall applies to every VIN in a given year. Enter the 17-character VIN from your Mack GRANITE (GU) at nhtsa.gov/recalls to see whether your specific vehicle has an unrepaired recall.
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