---
title: "MACK LRBE (ELECTRIC) (2021) - Recall 23V024000 — NHTSA record 238291 | Is It on Recall"
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 ov"
url: https://isitonrecall.com/recall/nhtsa-238291-mack-lrbe-electric-2021-recall-23v024000/
updated: 2026-10-01
site: "Is It on Recall"
language: en
---

[Recall archive](https://isitonrecall.com/archives/) / NHTSA

# MACK LRBE (ELECTRIC) (2021) - Recall 23V024000 — NHTSA record 238291

Published notice; closure not supplied

A campaign record does not say whether this individual vehicle has received the remedy. Check the VIN with NHTSA or the manufacturer.

Source date Jan 23, 2023. Retrieved Oct 1, 2026. Last updated Oct 1, 2026.

Archive changed Oct 1, 2026. USDA FSIS records are unavailable; [check FSIS directly](https://www.fsis.usda.gov/recalls). [Source coverage and dates](https://isitonrecall.com/sources/).

## What the record says

- **Product**: MACK LRBE (ELECTRIC) (2021) - Recall 23V024000
- **Reason**: 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. A coolant heater that overheats can increase the risk of fire.
- **Classification**: Not supplied
- **Recalling firm**: Mack Trucks, Inc.
- **Quantity**: 43
- **Agency-reported status**: Published safety recall
- **Source record identifier**: 238291

[Open the official record](https://api.nhtsa.gov/recalls/campaignNumber?campaignNumber=23V024000)

## Lot and product identifiers

| Label field | Details supplied by the agency |
| --- | --- |
| Lot, code or applicability | Product applicability: MACK LRBE (ELECTRIC); model year 2021. Check the model identifiers and, for a vehicle, the VIN on the official recall site. |

Match all identifying details in the current notice. A brand name alone is not enough.

## Distribution

Not supplied

No US distribution state could be established from this record. Check the official notice.

## Dates in the source

- **Report received**: Jan 23, 2023
- **Owner notification**: Mar 16, 2023
- **Record created**: Jan 24, 2023

FDA company pages use the listing date; enforcement records use initiation dates; CPSC uses recall date; NHTSA uses report-received date. These dates are not interchangeable.

## What to do next

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.

[Read the current instructions](https://api.nhtsa.gov/recalls/campaignNumber?campaignNumber=23V024000)

Use [NHTSA's VIN check](https://www.nhtsa.gov/recalls) to check an individual vehicle and its remedy status.

## Related records

[Vehicles records](https://isitonrecall.com/product/cars/) [Vehicles and equipment records](https://isitonrecall.com/category/vehicles/) [Mack Trucks, Inc. records](https://isitonrecall.com/brand/mack-trucks-inc/)