Not Yet Classified

This recall has not yet been classified by risk level.

2018 MACK GRANITE (GU) Recalled by Mack Trucks, Inc. — ELECTRONIC STABILITY CONTROL (ESC):CONTROL MODULE:SOFTWARE

Date: January 4, 2021
Company: Mack Trucks, Inc.
Status: Ongoing
Source: NHTSA

What You Should Do

Stop using this product immediately. Do not consume, use, or distribute it.

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.

Affected Products

2018 MACK GRANITE (GU). 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."

Why Was This Recalled?

A vehicle that drifts out of its lane increases the risk of a crash.

Where Was This Sold?

Nationwide

About Mack Trucks, Inc.

Mack Trucks, Inc. has 38 total recalls tracked by RecallDetector.

Related Recalls

Data sourced from the NHTSA. Last updated March 26, 2026. View original report