The worst 2021 Mack Pinnacle (Chu) problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
Recalls 2
Wheels: hub
- What is wrong
- Mack Trucks, Inc. (Mack) is recalling certain 2021-2022 Anthem, Granite, and Pinnacle vehicles. The hubcap compression spring can cause the hubcap to separate.
- Risk
- A separated hubcap can create a road hazard, increasing the risk of a crash.
- Remedy
- Dealers will remove the hubcap, free of charge. Owner notification letters were mailed June 30, 2021. Owners may contact Mack customer service at 1‑800‑866‑1177. Mack's number for this recall is SC0425.
Recall number 21V416000 · Recall details
Electronic stability control (ESC): control module: software
- 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
Technical service bulletins for the 2021 Mack Pinnacle (Chu) 117
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- CBR: Equipped With An Automated Manual Transmission Model D or F ( AMT-D, AMT-F, mDrive) Missing X1 Value...
- CBR: Turbo Compound (TC) Hot Side Noise, Diagnostic Information.
- CBR: After cluster replacement and programming, the Driver Information Display (DID) may not function as...
- CBR -Telematics Gateway (TGW) Connect Ability Issues
- Cbr
- Cbr
- Cbr
- Fleet Improvement
- Cbr: tgw
- CBR: Frame Or Cab Lean
Compare the 2021 Mack Pinnacle (Chu)
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Questions about the 2021 Mack Pinnacle (Chu)
Is the 2021 Mack Pinnacle (Chu) reliable?
Owners have filed 0 complaints about the 2021 Mack Pinnacle (Chu).
What is the most common problem with the 2021 Mack Pinnacle (Chu)?
There are not enough complaints to tell.
How many recalls does the 2021 Mack Pinnacle (Chu) have?
2 recalls, covering wheels and electronic stability control (esc).
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