2021 MACK GRANITE (GR) — Problems, Recalls & Safety Data
N/A
Safety Rating
0
Owner Complaints
9
Recalls
11
Service Bulletins
0
Investigations
Overview of the 2021 MACK GRANITE (GR)
The 2021 MACK GRANITE (GR) has received a total of 0 safety complaints filed with the National Highway Traffic Safety Administration (NHTSA). There have been 11 recall campaigns affecting this vehicle, covering issues with SEAT BELTS:FRONT:ANCHORAGE, ELECTRICAL SYSTEM:SOFTWARE, SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE. 11 technical service bulletins have been issued by Mack Trucks, Inc. for this model year.
Recalls for the 2021 MACK GRANITE (GR)
NHTSA has recorded 11 recalls for the 2021 MACK GRANITE (GR), potentially affecting up to 169,002 vehicles.
Recall 25V666000 — SEAT BELTS:FRONT:ANCHORAGE
| 15,841 vehicles affected
Defect: Mack Trucks, Inc. (Mack) is recalling certain 2020-2025 Mack MD, 2019-2025 Anthem, Granite, 2024 MD Electric, and 2025 Pinnacle trucks equipped with a passenger bench seat. The seat belt anchorage bracket may be improperly welded. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 210, "Seat Belt Assembly Anchorages."
Consequence: An improperly welded seat belt anchorage bracket can detach during a crash, increasing the risk of injury.
Remedy: Dealers will install a reinforcement plate, free of charge. Owner letters were mailed January 21, 2026. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0485. Vehicle Identification Numbers (VINs) involved in this recall will...
View full details →Recall 24V792000 — ELECTRICAL SYSTEM:SOFTWARE
| 59,338 vehicles affected
Defect: Mack Trucks, Inc. (Mack) is recalling certain 2020-2025 Anthem, Granite, TerraPro and Pinnacle vehicles, equipped with Bendix EC80 Advanced Electronic Control Units (ECU). Electrical noise and low signal to the power line carrier may cause the ECU to incorrectly process commands or stop working.
Consequence: Safety systems that depend on the ECU (Automatic Traction Control, ABS, Electronic Stability Control, Active Cruise Control, and Collison Mitigation System) may have diminished or lost functionality, increasing the risk of a crash.
Remedy: Dealers will reprogram the ECU software, free of charge. Owner notification letters were mailed December 9, 2024. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0472.
View full details →Recall 24V792000 — SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE
| 59,338 vehicles affected
Defect: Mack Trucks, Inc. (Mack) is recalling certain 2020-2025 Anthem, Granite, TerraPro and Pinnacle vehicles, equipped with Bendix EC80 Advanced Electronic Control Units (ECU). Electrical noise and low signal to the power line carrier may cause the ECU to incorrectly process commands or stop working.
Consequence: Safety systems that depend on the ECU (Automatic Traction Control, ABS, Electronic Stability Control, Active Cruise Control, and Collison Mitigation System) may have diminished or lost functionality, increasing the risk of a crash.
Remedy: Dealers will reprogram the ECU software, free of charge. Owner notification letters were mailed December 9, 2024. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0472.
View full details →Recall 24V773000 — TIRES
| 49 vehicles affected
Defect: 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...
Consequence: Insufficient tires can fail, increasing the risk of a crash.
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.
View full details →Recall 23V600000 — EXTERIOR LIGHTING:TURN SIGNAL
| 27,418 vehicles affected
Defect: 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.
View full details →Recall 22V401000 — STEERING
| 5,644 vehicles affected
Defect: Mack Trucks, Inc. (Mack) is recalling certain 2021-22 Granite, Anthem, LR, Pinnacle, and Terrapro tractor trailers. The steering gears may have been assembled incorrectly, which can cause the gear to fracture.
Consequence: A fractured steering gear can cause a loss of steering control, increasing the risk of a crash.
Remedy: Dealers will replace the steering gear, free of charge. Owner notification letters were mailed on July 29, 2022. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0437.
View full details →Recall 21V856000 — STEERING:HYDRAULIC POWER ASSIST:PUMP
| 79 vehicles affected
Defect: Mack Trucks, Inc. (Mack) is recalling certain 2021 Granite and LR vehicles. A machining defect may cause pressure to build in the power steering pump and break the shaft seal, resulting in a loss of power steering assist.
Consequence: A loss of power steering assist increases the risk of a crash.
Remedy: Dealers will replace the power steering pump, free of charge. Owner notification letters were mailed on December 10, 2021. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0432.
View full details →Recall 21V573000 — SERVICE BRAKES, AIR
| 124 vehicles affected
Defect: Mack Trucks, Inc. (Mack) is recalling certain 2021 Granite, LR, and TerraPro vehicles. The rear drive axle may have the incorrect type of brake cam installed, which could result in inoperative rear axle brakes.
Consequence: Inoperative rear axle brakes can increase the distance required to stop, increasing the risk of a crash.
Remedy: Dealers will inspect the brake cams, and incorrect brake cams will be replaced, along with brake shoes, hardware, and wheel seals, as necessary, free of charge. Owner notification letters were mailed on August 10, 2021. Owners may contact Mack customer...
View full details →Recall 21V416000 — WHEELS:HUB
| 307 vehicles affected
Defect: Mack Trucks, Inc. (Mack) is recalling certain 2021-2022 Anthem, Granite, and Pinnacle vehicles. The hubcap compression spring can cause the hubcap to separate.
Consequence: A separated hubcap can create a road hazard, increasing the risk of a crash.
Remedy: Dealers will remove the hubcap, free of charge. Owner notification letters were mailed June 30, 2021. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0425.
View full details →Recall 21V416000 — WHEELS
| 307 vehicles affected
Defect: Mack Trucks, Inc. (Mack) is recalling certain 2021-2022 Anthem, Granite, and Pinnacle vehicles. The hubcap compression spring can cause the hubcap to separate.
Consequence: A separated hubcap can create a road hazard, increasing the risk of a crash.
Remedy: Dealers will remove the hubcap, free of charge. Owner notification letters were mailed June 30, 2021. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0425.
View full details →Recall 21V233000 — ELECTRONIC STABILITY CONTROL (ESC):CONTROL MODULE:SOFTWARE
| 557 vehicles affected
Defect: 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...
Consequence: A vehicle that drifts out of its lane increases the risk of a crash.
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.
View full details →Owner Complaints for the 2021 MACK GRANITE (GR)
No complaints have been filed with NHTSA for the 2021 MACK GRANITE (GR).
Safety Rating for the 2021 MACK GRANITE (GR)
NHTSA has not yet tested the 2021 MACK GRANITE (GR) in its New Car Assessment Program.
Technical Service Bulletins for the 2021 MACK GRANITE (GR)
Mack Trucks, Inc. has issued 11 technical service bulletins (TSBs) for the 2021 MACK GRANITE (GR). TSBs are notices sent by manufacturers to their dealers describing a known issue and the recommended repair procedure.
CBR-2384 202406 — STRUCTURE:BODY
CBR - Mack Chassis - Day Cab Glass Breakage
CBR-1008 202404 — 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.
CBR-2360 202404 — SERVICE BRAKES, AIR
CBR: Chassis Equipped With VECU5 Active Datalink/Communication Faults For Multiple Modules; ABS And SRS Communication Faults
KC-659 — FUEL SYSTEM, DIESEL
Mack Chassis -Â Oil Diluted With Fuel; Fuel In Oil, Diagnostic Information - All Emissions Prior To US17+OBD16 (Common Rail Fuel System), Model Year 2017 And Older
S7630 — POWER TRAIN:AXLE HUBS
Proprietary Steerable Axle Hubcap Replacement
KC-365 — EQUIPMENT
Mack Chassis - Technical Service Bulletin M-728-005, Leveling Valve, Leak Test, Air Leaks From The Leveling Valve After The Vehicle Is Parked (Shut Off)
S7610 — SERVICE BRAKES, AIR
Bump Stop Interference with Brake Slack
S7610 — SUSPENSION:SUBFRAME/MOUNTING BRACKET
Bump Stop Interference with Brake Slack
S7574 — ELECTRICAL SYSTEM
TECU SOFTWARE UPDATE
S7545 — EQUIPMENT ADAPTIVE/MOBILITY
Draglink Split Pin Inspection
Showing 10 of 11 technical service bulletins.
NHTSA Investigations for the 2021 MACK GRANITE (GR)
There are no NHTSA defect investigations on record for this vehicle.
Other Model Years of the MACK GRANITE (GR)
- 2016 MACK GRANITE (GR) — 0 complaints
- 2017 MACK GRANITE (GR) — 0 complaints
- 2018 MACK GRANITE (GR) — 0 complaints
- 2019 MACK GRANITE (GR) — 4 complaints
- 2020 MACK GRANITE (GR) — 3 complaints
- 2021 MACK GRANITE (GR) (current)
- 2022 MACK GRANITE (GR) — 1 complaint
- 2023 MACK GRANITE (GR) — 2 complaints
- 2024 MACK GRANITE (GR) — 0 complaints
- 2025 MACK GRANITE (GR) — 0 complaints
- 2026 MACK GRANITE (GR) — 0 complaints
Other MACK Models
- MACK MACK — 35 total complaints
- MACK ANTHEM (AN) — 12 total complaints
- MACK CXU612 — 12 total complaints
- MACK CX613 — 10 total complaints
- MACK CH600 — 9 total complaints
- MACK GU — 9 total complaints
- MACK RD — 8 total complaints
- MACK CXU — 7 total complaints