NHTSA vehicle safety data
2020 Mack GRANITE (GU) Recalls, Ratings & Complaints
The 2020 Mack GRANITE (GU) has 4 NHTSA recall campaigns and 0 owner complaints on file as of October 16, 2026. Recall repairs are usually free at an authorized Mack dealer.
NHTSA recall and complaint data for the 2020 Mack GRANITE (GU). Recall data is refreshed daily from NHTSA.
EXTERIOR LIGHTING:TURN SIGNAL
NHTSA #23V600000Reported August 25, 2023 · Mack Trucks, Inc.
Potentially affected: 27,418 vehicles
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.
SUSPENSION:MULTIPLE AXLE
NHTSA #21V476000Reported June 25, 2021 · Mack Trucks, Inc.
Potentially affected: 8 vehicles
Defect description
Mack Trucks, Inc. (Mack Trucks) is recalling certain 2020-2021 Granite vehicles equipped with certain SL2065 steerable lift axles. The lower rear pivot cap screws may not be long enough to sufficiently engage the locking feature of the corresponding nuts.
Safety consequence
The short screws can cause the hardware to separate from the suspension system and become a road hazard, increasing the risk of a crash or injury.
Manufacturer remedy
Mack Trucks will inspect the suspension system and replace the lower rear pivot cap screws, as necessary, free of charge. Owner notification letters were mailed on July 30, 2021. Owners may contact Mack Trucks' customer service at 1-800-866-1177. Mack Trucks' number for this recall is SC0426.
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.
ELECTRONIC STABILITY CONTROL (ESC):CONTROL MODULE:SOFTWARE
NHTSA #21V233000Reported April 1, 2021 · Mack Trucks, Inc.
Potentially affected: 557 vehicles
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.
VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
NHTSA #19V054000Reported January 24, 2019 · Mack Trucks, Inc.
Potentially affected: 3,906 vehicles
Defect description
Mack Trucks, Inc. (Mack) is recalling certain 2019-2020 Mack Anthem, Granite, Pinnacle vehicles. The passenger side door down view mirror may detach from the door.
Safety consequence
If the mirror detaches from the door, the mirror may strike another vehicle or pedestrian, increasing the risk of injury or crash.
Manufacturer remedy
Mack will notify owners, and dealers will properly attach the mirror, free of charge. The recall began March 19, 2019. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0416.
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 2020 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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