2018 Mack Pinnacle (Chu) problems, complaints & recalls
Safety recalls (2)
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.
Service Brakes, Air:supply:reservoir/Tank 2019-02-21 · campaign 19V107000 · 9 vehicles
Defect: Mack Trucks Inc. (Mack) is recalling one 2014 Pinnacle (CXU) vehicle and certain 2018-2019 Mack Anthem (AN) vehicles equipped with air brake supply tanks that have an air volume amount ranging from 70% to 96% of the amount required by the regulation. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems."
Risk: The undersized air brake supply reservoir may provide an insufficient air supply to properly operate the brakes during repetitive brake applications, reducing braking performance and increasing the risk of a crash.
Fix: Mack will notify owners and dealers will add an air tank to the affected vehicles, 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 SC0417.
Service bulletins (151)
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 151 bulletins. Search all of them free at nhtsa.gov.
What owners report
No detailed complaint narratives on file.
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.