2020 Mack Pinnacle (Chu) problems, complaints & recalls
Most-reported problem areas: Exterior Lighting (1)
Safety recalls (4)
Electronic Stability Control (Esc):control Module:software 2021-04-01 · campaign 21V233000 · 557 vehicles
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 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.
Steering:linkages:drag:link:connection 2019-12-16 · campaign 19V896000 · 80 vehicles
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.
Risk: If the drag link separates, loss of steering control my occur, increasing the risk of a crash.
Fix: 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 Lighting 2019-03-18 · campaign 19V209000 · 43 vehicles
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, and Assoc. Equipment."
Risk: If the reflectors are blocked, the vehicle's visibility to other drivers may be reduced, increasing the risk of crash.
Fix: 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.
Visibility:rearview Mirrors/Devices:exterior 2019-01-24 · campaign 19V054000 · 3,906 vehicles
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.
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.
Service bulletins (130)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Power Train 2024-04-22 · CBR-1008 202404 · Service Bulletin/Repair Instructions
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.
Engine And Engine Cooling 2024-04-02 · CBR-2013 202404 · Service Bulletin/Repair Instructions
cbr: turbo compound (tc) hot side noise, diagnostic information.
Electrical System 2024-02-21 · CBR-2350 202402 · Service Bulletin/Repair Instructions
cbr -telematics gateway (tgw) connect ability issues
Electrical System 2024-02-16 · CBR-2347 202402 · Service Bulletin/Repair Instructions
cbr - active "set park brake" message on drivers information display (did).
Power Train 2024-02-16 · CBR-202 202402 · Service Bulletin/Repair Instructions
cbr - automated manual transmission ( amt ) flywheel pilot bearing wear on input shaft.
Suspension 2024-02-16 · CBR-2014 202402 · Service Bulletin/Repair Instructions
cbr - driveline noise, suspension ride height too high, suspension will not exhaust - chassis built 2016w01 and newer.
Showing the 6 most recent of 130 bulletins. Search all of them free at nhtsa.gov.
What owners report
2020-02-26 · Exterior Lighting · 17,000 mi“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 safe answer to this problem. lenses must be he…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.