Mack Trucks, Inc. (Mack) is recalling certain 2022-2025 Mack LRBE trucks. The high voltage batteries may have loose hardware that can fall inside the battery pack and create a short circuit.
Risk and remedy
Risk
A short circuit increases the risk of a fire.
Remedy
Dealers will replace the batteries, free of charge. Owner notification letters were mailed April 24, 2025. Owner notification letters will be mailed on or before August 25, 2025, for the additional vehicles added on July 22, 2025. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0475.
Mack Trucks, Inc. (Mack) is recalling certain 2022-2023 LR battery electric trucks. The rivnut threaded inserts inside the high-voltage battery may be over-tightened and break, which could result in a short circuit.
Risk and remedy
Risk
An electrical short circuit increases the risk of a fire.
Remedy
Dealers will replace the batteries, free of charge. Owner letters were mailed November 1, 2023. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0447.
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 and remedy
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.
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.
Mack Trucks, Inc. (Mack) is recalling certain 2022-2023 LR Battery Electric vehicles. The coolant line in the high voltage battery pack may not be fully seated and locked, which can result in the loss of coolant and an electrical short circuit.
Risk and remedy
Risk
A battery short circuit increases the risk of a fire.
Remedy
Volvo Trucks will work with the battery manufacturer Akasol to inspect and replace the batteries, as necessary, free of charge. Owner notification letters are expected to be mailed June 16, 2023. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0442.
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 and remedy
Risk
A coolant heater that overheats can increase the risk of fire.
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.
Technical service bulletins and other communications the manufacturer sent dealers about this vehicle. Ask a dealer for the full document by its number.
11010823Mack Chassis - Battery Electric Vehicle (BEV) Cab Heater Diagnostics. Fault code C102571 and C102572 can be a result of insufficient coolant flowthrough the cab heater system.
11008385CBR: Battery Electric Vehicle (BEV) Faults When Charging
11008380CBR: Drivers Information Display (DID) Inoperative/Goes Blank During Vehicle Operation
11008366CBR: To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP fi le will need to be downloaded.
11006926CBR: Battery Electric Vehicle (BEV) DTCP108664 - Charging Switch Unit B, Voltage Supply, Signal Plausibility Failure
11003037CBR - Drivers Information Display (DID) Inoperative/Goes Blank During Vehicle Operation
11002839CBR - Battery Electric Vehicle (BEV) Post Programing Faults
11000833CBR: There has been a rise in questions regarding (DTC) - P11561A, P11571A, P115684, P115784 due to the limited amount of diagnostic information available.
10253818CBR: Battery Electric Vehicle (BEV) DTC P108664 - Charging Switch Unit B, Voltage Supply, Signal Plausibility Failure
10249554CBR: Battery Electric Vehicle (BEV) 3-WayValve Calibration Failure
10249553CBR: TGW Will Not Connect After SIM Card Replacement
10248114Service Campaign: Mack trucks has determined that the CCCM (Combined Charging system Control Module) on certain LRBe model trucks could experience water intrusion causing damage to the CCCM.
10246096Service Campaign: Mack Trucks has determined that certain LRBe trucks could exhibited insufficient cab heat. To improve cab heat a retro fit of trucks coolant circuit is needed. Please follow the instructions below to complete the needed retro fit of the coolant circuit.
10246081CBR: Active DTC P0A6649, P08F049, OR P0A5D49 fault code with ambient temperatures lower than 20C / 68F
10243450Service Campaign: Electric-Hydraulic Power Steering System Improvement
10241946TSB: Barksdale Leveling Valve, Leak Test
10241944Service Campaign: LRBE Coolant Tank Cap Replacement
10241915CBR: Battery Electric Vehicle (BEV) - Vehicle Will Not "Start", Limited Speed, Instrument Cluster Showing Neutral After Gear Selected
10240233CBR: Battery Electric Vehicle (BEV) - Hybrid Powertrain Control Unit (HPCU) Programing
10240232CBR: Battery Electric Vehicle (BEV) - Diagnostic Trouble Code (DTC) Troubleshooting Ending In No Fault Found