2020 Mack Granite (GU) recalls (3)

Every 2020 Mack Granite (GU) recall

Each campaign as NHTSA published it: what is wrong, what can happen, and the fix. Newest first.

• Exterior Lighting · NHTSA 23V600000

  Aug 25, 2023Exterior Lighting:Turn Signal

  Problem

  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."

  Risk

  Low turn signal visibility may not alert other drivers to a turning vehicle, increasing the risk of a crash.

  Fix

  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.

  Full recall details for 23V600000 →

• Electronic Stability Control (Esc) · NHTSA 21V233000

  Jan 4, 2021Electronic Stability Control (Esc):Control Module:Software

  Problem

  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."

  Risk

  A vehicle that drifts out of its lane increases the risk of a crash.

  Fix

  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.

  Full recall details for 21V233000 →

• Visibility · NHTSA 19V054000

  Jan 24, 2019Visibility:Rearview Mirrors/Devices:Exterior

  Problem

  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.

  Risk

  If the mirror detaches from the door, the mirror may strike another vehicle or pedestrian, increasing the risk of injury or crash.

  Fix

  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.

  Full recall details for 19V054000 →

2020 Mack Granite (GU) complaints and service bulletins

Mack has issued at least 103 technical service bulletins (repair instructions to dealers) for this model year. Complaints are unverified owner reports; a recall is the manufacturer’s admission of a safety defect.

Service bulletins by component

• Engine and Engine Cooling (43)
• Equipment (17)
• Electrical System (16)
• Power Train (15)
• Fuel System, Diesel (7)
• Suspension (7)

Read Mack Granite (GU) owner complaints and bulletins, every year

Other Mack Granite (GU) model years

← 2019 Mack Granite (GU) · 2021 Mack Granite (GU) →

• 2023 (1)
• 2022 (3)
• 2021 (3)
• 2020 (3)
• 2019 (3)
• 2018 (4)
• 2017 (3)
• 2016 (8)
• 2015 (12)
• 2014 (11)
• 2013 (9)
• 2012 (9)
• 2011 (4)
• 2010 (4)
• 2009 (1)

All Mack Granite (GU) recalls, every model year