The 2020 Mack Pinnacle (chu) has 4 NHTSA recall campaigns affecting an estimated 4,586 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 1 complaint with NHTSA, most often about the exterior lighting. Last updated July 5, 2026.
Recall campaigns
ELECTRONIC STABILITY CONTROL (ESC)21V2330002021-04-01557 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…
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.
STEERING19V8960002019-12-1680 affected
Defect
Mack Trucks, Inc. (Mack) is recalling certain 2020 Anthem (AN), Granite (GR), and Pinnacle (PI) vehicles. The castle nuts and cotter pins used to connect the steering drag link to the pitman arm and steering arm may have not been correctly installed, potentially causing separation of the drag link.
Consequence
If the drag link separates, loss of steering control my occur, increasing the risk of a crash.
Remedy
Mack will notify owners, and dealers will inspect the drag link attachment points, repairing them, as necessary, free of charge. The recall began January 14, 2020. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0420.
EXTERIOR LIGHTING19V2090002019-03-1843 affected
Defect
Mack Trucks, Inc. (Mack) is recalling certain 2020 Anthem and Pinnacle trucks. The conspicuity reflectors at the back of the cab may be blocked by the exhaust system. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices,…
Consequence
If the reflectors are blocked, the vehicle's visibility to other drivers may be reduced, increasing the risk of crash.
Remedy
Mack has notified owners, and dealers will install additional reflectors on the back of the cab, free of charge. The recall began April 10, 2019. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0418.
VISIBILITY19V0540002019-01-243,906 affected
Defect
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.
Consequence
If the mirror detaches from the door, the mirror may strike another vehicle or pedestrian, increasing the risk of injury or crash.
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.
Complaints by component
EXTERIOR LIGHTING
1
Total complaints1
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“Led headlight do not generate enough heat to melt any snow. A half an hour driving time in steady snow results in the lights being totally covered by snow and completely useless for illumination after dark. Stopping on the side of the road to clean off the lights every 15minutes is not a…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2020 Mack Pinnacle (chu) as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
contains ads and affiliate links. Full methodology.