2025 Mack Lrbe (electric) TSBs
23 Technical Service Bulletins across 8 categories
Categories
Electrical
9 bulletinsCBR - When an OTA (Over-The-Air) job starts to program the VECU blocks the starter relay out, if the job ends in a...
Read full bulletin
Critical failure, the vehicle will remain in Safe State.
CBR - Mack Trucks has identified that certain LRBe model trucks may have an undersized fuse used in the coolant pump...
Read full bulletin
circuit.
Battery Electric Vehicle (BEV) - DTC P109D8A Following Energy Storage Control Module (ESCM) Software Update
Mack Chassis - Battery Electric Vehicle (BEV) Cab Heater Diagnostics.
Read full bulletin
Fault code C102571 and C102572 can be a result of insufficient coolant flowthrough the cab heater system.
CBR: Battery Electric Vehicle (BEV) Faults When Charging
CBR: Diagnostic Trouble Code (DTC) U010187- Lost Communication With TECU
CBR: Battery Electric Vehicle (BEV) DTCP108664 - Charging Switch Unit B, Voltage Supply, Signal Plausibility Failure
CBR - Battery Electric Vehicle (BEV) Post Programing Faults
CBR: Battery Electric Vehicle (BEV) DTC P108664 - Charging Switch Unit B, Voltage Supply, Signal Plausibility Failure
Other
7 bulletinsCBR - Mack Chassis - Through Shaft Bearing Retainer Breakage On Mack Carriers.
CBR - Mack Carrier Nut Adhesive Change.
CBR - To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP file will need to downloaded.
CBR - A significant GPS reporting issue is affecting fleet operations, with trucks maintaining back-office communication...
Read full bulletin
but failing to transmit GPS location data.
CBR: To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP fi le will need to be downloaded.
CBR: Telematics Gateway (TGW) Connect Ability Issues
CBR: There has been a rise in questions regarding (DTC) - P11561A, P11571A, P115684, P115784 due to the limited amount...
Read full bulletin
of diagnostic information available.
Infotainment
2 bulletinsCBR: Drivers Information Display (DID) Inoperative/Goes Blank During Vehicle Operation
CBR - Drivers Information Display (DID) Inoperative/Goes Blank During Vehicle Operation
Transmission
1 bulletinCertain BEV vehicles may present one or more of the symptoms below: Vehicle Turns On but wont start Vehicle will not...
Read full bulletin
go into any gear Cluster and Gear Selector display show neutral after a gear is selected, but the vehicle does select and moveForward/Reverse Truck is limited to fi rst gear when Forward is selected Speed limited to ~25 MPH (~40 KPH) Low Power Truck will not charge
HVAC & Climate
1 bulletinAir compressors may be observed cycling continuously at intervals of 10 to 30 seconds.
Read full bulletin
This behavior persists even when no air leaks are present in the system.
Suspension
1 bulletinFrame lean can be caused by several seemingly isolated possibilities.
Read full bulletin
The two most common are suspension and frame assembly issues.
Pre-Delivery & Maintenance
1 bulletinCBR - Accelerator Pedal: Inspection Instructions
Engine
1 bulletinCBR: Vehicles built with an 11 liter engine may experience a complaint of excessive fuel in the oil.
Read full bulletin
It is possible that the source of the fuel is the rear fuel galley plug in the cylinder head.