NHTSA campaign 23V402000 · Mack campaign SC0444
Mack Recall 23V-402: Power Cables May Not Be Tightened Properly
NHTSA recall 23V402000 (Mack campaign SC0444) was reported by Mack Trucks, Inc. on June 4, 2023, with 47 vehicles potentially affected (per NHTSA). NHTSA's record lists the Mack LRBE (ELECTRIC) for model years 2019–2023. Owners were notified on June 23, 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 23V402000 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
- 23V402000 (also written 23V-402 or 23V402)
- Filed by
- Mack Trucks, Inc.
- Mack campaign number
- SC0444
- Report received
- Potentially affected
- 47 vehicles (per NHTSA)
- Component
- Electrical System — Wiring — Relays/Solenoids
- Owners notified
Repair completion: 80.85% (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 23V402000. 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.
NHTSA's recall notice
As NHTSA's recall record states it for campaign 23V402000.
Defect description
Mack Trucks, Inc. (Mack) is recalling certain 2019-2023 LR battery electric trucks. The power cables that connect to the windscreen heater relay may have a loose connection and cause the relay to fail.
Safety consequence
A relay that fails in the closed position will continue to power the cabin heater, overheating the relay and increasing the risk of a fire.
Manufacturer remedy
Dealers will tighten the power cable to relay connection, free of charge. Owner notification letters are expected to be mailed August 4, 2023. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SCC0444.
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 23V402000
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.