Total Complaints
1 filings
MACK PINNACLE (CHU) · model year
1 NHTSA complaints, and 4 active recalls for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2020MACKPINNACLE (CHU) carries 1 consumer safety complaint in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2020 PINNACLE (CHU) is exterior lighting with 1 filings. Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability. This model year has 4 active recall campaigns, which means the manufacturer is obligated to remedy the covered defect at no charge for the life of the vehicle — the full NHTSA campaign numbers are listed below.
NHTSA currently has 5 investigation files overlapping the 2020 PINNACLE (CHU). Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
1 filings
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| EXTERIOR LIGHTING | 1 |
VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
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.
EXTERIOR LIGHTING
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, R
STEERING:LINKAGES:DRAG:LINK:CONNECTION
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.
ELECTRONIC STABILITY CONTROL (ESC):CONTROL MODULE:SOFTWARE
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 wit
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 HEATED.
Mileage: 17,000
mDrive Transmission Failure to Disengage
Vehicle Roll Away
Failing 5th wheel attachment bolts
AIR COMPRESSOR DISCHARGE LINE
INTEGRAL HUB AND BEARING ASSEMBLY
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.