NHTSA campaign 23V024000 · Mack campaign SC0440
Mack Recall 23V-024: Truck Cabin Heater May Catch Fire
NHTSA recall 23V024000 (Mack campaign SC0440) was reported by Mack Trucks, Inc. on January 23, 2023, with 43 vehicles potentially affected (per NHTSA). NHTSA's record lists the Mack LRBE (ELECTRIC) for model years 2019, 2021–2023. Owners were notified on March 16, 2023, per NHTSA.
Updated daily from NHTSA's recall files
Is my vehicle included?
This page lists, by model year, the vehicles NHTSA's recall record names for campaign 23V024000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.
To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.
Free VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 23V024000 (also written 23V-024 or 23V024)
- Filed by
- Mack Trucks, Inc.
- Mack campaign number
- SC0440
- Report received
- Potentially affected
- 43 vehicles (per NHTSA)
- Component
- Electrical System — Wiring — Switches/Knobs/Buttons
- Owners notified
Repair completion: 86.05% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)
NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.
Vehicles listed for this recall
NHTSA's recall record lists these vehicles for recall 23V024000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.
Mack
All Mack recallsNHTSA's recall notice
As NHTSA's recall record states it for campaign 23V024000.
Defect description
Mack Trucks, Inc. (Mack) is recalling certain 2019 and 2021-2023 LRBE battery electric trucks. The cabin heater relay may fail, causing the coolant heater to overheat.
Safety consequence
A coolant heater that overheats can increase the risk of fire.
Manufacturer remedy
Dealers will update the software for the Hybrid Powertrain Control Unit and Instrument Cluster, and install replacement relays, free of charge. Owner notification letters were mailed March 16, 2023. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0440.
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.
Sources
Official NHTSA notice for recall 23V024000
Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.