Vehicle recall 22V204000 · March 29, 2022
2021-2023 Mack LR Electric
During certain driving maneuvers, the power steering system may lose pressure, causing a loss of power steering assist.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- Mack Trucks, Inc. (Mack) is recalling certain 2023 LR Battery Electric trucks. During certain driving maneuvers, the power steering system may lose pressure, causing a loss of power steering assist.
- Consequence
- Loss of power steering assist increases the risk of a crash.
- Remedy
- Dealers replace the higher ratio steering gear and power steering pump software for higher RPM's on the steering pump, free of charge. Owner notification letters were mailed on May 24, 2022. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0434.
- Notes
- Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Recall details
- NHTSA campaign
- 22V204000
- Reported to NHTSA
- March 29, 2022
- Filed by
- Mack Trucks, Inc.
- Manufacturer campaign
- SC0434
- Owner notification
- May 24, 2022
- Vehicles potentially affected
- 33
- Initiated by
- the manufacturer
- Components
- Steering › Hydraulic power assist system
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Mack LR Electric (2021-2023): 2023, 2022, 2021
Has your Mack been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Mack dealer can also check your VIN. Recall repairs are free.