NHTSA vehicle safety data
2020 Mack PINNACLE (CHU) Recalls & Complaints
The 2020 Mack PINNACLE (CHU) has 4 NHTSA recall campaigns and 1 owner complaint on file as of November 3, 2026. Recall repairs are usually free at an authorized Mack dealer.
NHTSA recall and complaint data for the 2020 Mack PINNACLE (CHU). Recall data is refreshed daily from NHTSA.
2020 Mack PINNACLE (CHU) owner complaints
Owners have filed 1 complaint with NHTSA about the 2020 Mack PINNACLE (CHU), describing incidents dated February 25, 2020.
Most-cited components
- Exterior Lighting 1 complaint
Newest complaints
ODI #11311568 · Filed
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 REASONABLY…
Vehicle May Not Stay In Lane/FMVSS 136
NHTSA #21V233000 · Electronic Stability Control (ESC) — Control Module — Software · NHTSA notice
Reported April 1, 2021 · Mack Trucks, Inc.
Potentially affected: 557 vehicles
Repair completion: 77.38% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Mack campaign SC0423 · Owners notified April 21, 2021
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.
Possible Drag Link Separation
NHTSA #19V896000 · Steering — Linkages — Drag — Link — Connection · NHTSA notice
Reported December 16, 2019 · Mack Trucks, Inc.
Potentially affected: 80 vehicles
Repair completion: 88.75% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Mack campaign SC0420 · Owners notified January 14, 2020 · Vehicles built September 16, 2019 – October 10, 2019 (per NHTSA)
Defect description
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.
Safety consequence
If the drag link separates, loss of steering control my occur, increasing the risk of a crash.
Manufacturer 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.
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.
Back of the Conspicuity Reflectors Blocked
NHTSA #19V209000 · Exterior Lighting · NHTSA notice
Reported March 18, 2019 · Mack Trucks, Inc.
Potentially affected: 43 vehicles
Repair completion: 76.74% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Mack campaign SC0418 · Owners notified April 10, 2019 · Vehicles built January 4, 2019 – January 28, 2019 (per NHTSA)
Defect description
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, and Assoc. Equipment."
Safety consequence
If the reflectors are blocked, the vehicle's visibility to other drivers may be reduced, increasing the risk of crash.
Manufacturer 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.
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.
Passenger Down View Mirror May Detach
NHTSA #19V054000 · Visibility — Rearview Mirrors/Devices — Exterior · NHTSA notice
Reported January 24, 2019 · Mack Trucks, Inc.
Potentially affected: 3,906 vehicles
Repair completion: 67.54% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Mack campaign SC0416 · Owners notified March 19, 2019 · Vehicles built January 15, 2018 – January 11, 2019 (per NHTSA)
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 PINNACLE (CHU) model years
Check your 2020 Mack PINNACLE (CHU) VIN
Not every recall applies to every VIN in a given year. Enter the 17-character VIN from your Mack PINNACLE (CHU) at nhtsa.gov/recalls to see whether your specific vehicle has an unrepaired recall.
Check a Mack VIN