Mack Trucks – Vehicle May Not Stay In Lane/FMVSS 136

Mack Trucks (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.”


Report Received Date 04/01/2021
NHTSA ID 21V233000
Consequence Summary A vehicle that drifts out of its lane increases the risk of a crash.
Corrective Action 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.
Recall Code SC0423
Potentially Affected 566
Fire Risk When Parked No
Do Not Drive No
Recall Link Go to Recall (https://www.nhtsa.gov/recalls?nhtsaId=21V233000)

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