2019 Mack Lrbe (Electric) problems, complaints & recalls
Safety recalls (2)
Electrical System:wiring:relays/Solenoids 2023-06-04 · campaign 23V402000 · 47 vehicles
Defect: 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.
Risk: 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.
Fix: 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.
Electrical System:wiring:switches/Knobs/Buttons 2023-01-23 · campaign 23V024000 · 43 vehicles
Defect: 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.
Risk: A coolant heater that overheats can increase the risk of fire.
Fix: 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.
Service bulletins (23)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Power Train 2026-04-09 · CBR 2573-1 202604 · Service Bulletin/Repair Instructions
cbr - mack chassis - through shaft bearing retainer breakage on mack carriers.
Power Train 2026-04-09 · CBR 2362-3 202604 · Service Bulletin/Repair Instructions
cbr - mack carrier nut adhesive change.
Electrical System 2026-02-04 · CBR 126 022026 · Service Bulletin/Repair Instructions
cbr - the purpose of this solution is to give information on engine control module (ems) software content.
Vehicle Speed Control 2026-01-08 · CBR 820-9 202601 · Service Bulletin/Repair Instructions
cbr - mack chassis - engine brake only works with the brake pedal, no function during cruise. us07 and newer emissions, model year 2008 and newer.
Electrical System 2025-07-28 · CBR 2488 072025 · Service Bulletin/Repair Instructions
cbr - a significant gps reporting issue is affecting fleet operations, with trucks maintaining back-office communication but failing to transmit gps location data.
Service Brakes 2025-07-17 · CBR 407 072025 · Service Bulletin/Repair Instructions
cbr - to correct the mid136 sid 66 fmi 7 fault code the latest bendix vcp file will need to downloaded.
Showing the 6 most recent of 23 bulletins. Search all of them free at nhtsa.gov.
What owners report
No detailed complaint narratives on file.
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.