2018 Mack Pinnacle (Chu) Problems: 0 Complaints, 2 Recalls

The worst 2018 Mack Pinnacle (Chu) problems

Ranked by number of owner complaints. Mileage and cost come from what owners wrote.

Tap a problem to see which part fails, at what mileage and in which other years.

Electronic stability control (ESC): control module: softwareReported April 1, 2021 · 557 vehicles affected

What is wrong: 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.
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.

Recall number 21V233000 · Recall details

Service brakes, air: supply: reservoir/tankReported February 21, 2019 · 9 vehicles affected

What is wrong: 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.
Remedy: 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.

Recall number 19V107000 · Recall details

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

Used buying checklistWhat to check on a 2018 Mack Pinnacle (Chu) before you buy

Is the 2018 Mack Pinnacle (Chu) reliable?

Owners have filed 0 complaints about the 2018 Mack Pinnacle (Chu).

What is the most common problem with the 2018 Mack Pinnacle (Chu)?

There are not enough complaints to tell.

How many recalls does the 2018 Mack Pinnacle (Chu) have?

2 recalls, covering electronic stability control (esc) and service brakes, air.

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