Vehicle Safety Data

2021 MACK PINNACLE (PI/PN) — Problems, Recalls & Safety Data

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N/A

Safety Rating

0

Owner Complaints

4

Recalls

ACTIVE RECALL

13

Service Bulletins

0

Investigations

Overview of the 2021 MACK PINNACLE (PI/PN)

The 2021 MACK PINNACLE (PI/PN) has received a total of 0 safety complaints filed with the National Highway Traffic Safety Administration (NHTSA). There have been 6 recall campaigns affecting this vehicle, covering issues with ELECTRICAL SYSTEM:SOFTWARE, SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE, STEERING. 13 technical service bulletins have been issued by Mack Trucks, Inc. for this model year.

Recalls for the 2021 MACK PINNACLE (PI/PN)

NHTSA has recorded 6 recalls for the 2021 MACK PINNACLE (PI/PN), potentially affecting up to 125,491 vehicles.

Recall 24V792000 — ELECTRICAL SYSTEM:SOFTWARE

| 59,338 vehicles affected

Defect: Mack Trucks, Inc. (Mack) is recalling certain 2020-2025 Anthem, Granite, TerraPro and Pinnacle vehicles, equipped with Bendix EC80 Advanced Electronic Control Units (ECU). Electrical noise and low signal to the power line carrier may cause the ECU to incorrectly process commands or stop working.

Consequence: Safety systems that depend on the ECU (Automatic Traction Control, ABS, Electronic Stability Control, Active Cruise Control, and Collison Mitigation System) may have diminished or lost functionality, increasing the risk of a crash.

Remedy: Dealers will reprogram the ECU software, free of charge. Owner notification letters were mailed December 9, 2024. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0472.

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Recall 24V792000 — SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE

| 59,338 vehicles affected

Defect: Mack Trucks, Inc. (Mack) is recalling certain 2020-2025 Anthem, Granite, TerraPro and Pinnacle vehicles, equipped with Bendix EC80 Advanced Electronic Control Units (ECU). Electrical noise and low signal to the power line carrier may cause the ECU to incorrectly process commands or stop working.

Consequence: Safety systems that depend on the ECU (Automatic Traction Control, ABS, Electronic Stability Control, Active Cruise Control, and Collison Mitigation System) may have diminished or lost functionality, increasing the risk of a crash.

Remedy: Dealers will reprogram the ECU software, free of charge. Owner notification letters were mailed December 9, 2024. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0472.

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Recall 22V401000 — STEERING

| 5,644 vehicles affected

Defect: Mack Trucks, Inc. (Mack) is recalling certain 2021-22 Granite, Anthem, LR, Pinnacle, and Terrapro tractor trailers. The steering gears may have been assembled incorrectly, which can cause the gear to fracture.

Consequence: A fractured steering gear can cause a loss of steering control, increasing the risk of a crash.

Remedy: Dealers will replace the steering gear, free of charge. Owner notification letters were mailed on July 29, 2022. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0437.

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Recall 21V416000 — WHEELS:HUB

| 307 vehicles affected

Defect: Mack Trucks, Inc. (Mack) is recalling certain 2021-2022 Anthem, Granite, and Pinnacle vehicles. The hubcap compression spring can cause the hubcap to separate.

Consequence: 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.

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Recall 21V416000 — WHEELS

| 307 vehicles affected

Defect: Mack Trucks, Inc. (Mack) is recalling certain 2021-2022 Anthem, Granite, and Pinnacle vehicles. The hubcap compression spring can cause the hubcap to separate.

Consequence: 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.

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Recall 21V233000 — ELECTRONIC STABILITY CONTROL (ESC):CONTROL MODULE:SOFTWARE

| 557 vehicles affected

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...

Consequence: 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.

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Owner Complaints for the 2021 MACK PINNACLE (PI/PN)

No complaints have been filed with NHTSA for the 2021 MACK PINNACLE (PI/PN).

Safety Rating for the 2021 MACK PINNACLE (PI/PN)

NHTSA has not yet tested the 2021 MACK PINNACLE (PI/PN) in its New Car Assessment Program.

Technical Service Bulletins for the 2021 MACK PINNACLE (PI/PN)

Mack Trucks, Inc. has issued 13 technical service bulletins (TSBs) for the 2021 MACK PINNACLE (PI/PN). TSBs are notices sent by manufacturers to their dealers describing a known issue and the recommended repair procedure.

S4558 202506 — POWER TRAIN

Mack trucks has determined that certain model year 2021-2024 PI models built with 4.19 rear axle ratios could experience elevated axle oil temps under high road speeds. To correct this issue the 4.19 ratio carriers need to be swapped to 3.79 ratio carriers. Follow the instructions below to replace both...

CBR-2360 202404 — SEAT BELTS

CBR: Chassis Equipped With VECU5 Active Datalink/Communication Faults For Multiple Modules; ABS And SRS Communication Faults

PSM23m2na71 — POWER TRAIN

Parts Sales and Marketing Bulletin: Mack Trucks is excited to announce an additional year warranty program on REMACK AMT mDRIVE Complete Transmissions. This extended warranty of 3 years or 350,000 miles on the transmission will be applicable when dealer installed, required parts are installed and is registered via eService.

KC-2140 — PARKING BRAKE

Mack Chassis - P05E662 Park brake Sensor/Switch Circuit Range/Performance, Signal Compare failure - Diagnostic Instructions - US21+OBD21 Emissions

KC-406 — FUEL SYSTEM, DIESEL

Dye Test Procedure; Fuel System Leak Check - Common Rail Fuel System - US17+OBD16 And Newer Emissions, Common Model Year 2018 And Newer

SNM22-001 — ENGINE AND ENGINE COOLING

TC Engine Turbochargers

SNM21-006 — COMMUNICATION:MANUFACTURER TELEMATICS

Remote Software Downloads

S7601 — ENGINE AND ENGINE COOLING

Exhaust Stack Height Change with Aero

S7597 — ENGINE AND ENGINE COOLING

Inlet Valve Spring Replacement

FSB 511-010 — SERVICE BRAKES, AIR

Disc Brake Rotor, Replacement

Showing 10 of 13 technical service bulletins.

NHTSA Investigations for the 2021 MACK PINNACLE (PI/PN)

There are no NHTSA defect investigations on record for this vehicle.

Other Model Years of the MACK PINNACLE (PI/PN)

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Other MACK Models

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