Recalls
Mack Trucks, Inc. (Mack) is recalling certain 2022-2027 TerraPro trucks. The engine control unit (ECU) software may allow the engine to start when the transmission is not in Neutral. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 102, "Transmission Shift Lever Sequence, Starter Interlock, and Transmission Braking Effect."
Mack Trucks, Inc. (Mack) is recalling certain 2010-2018 MRU and 2019-2025 Terrapro towing vehicles. The vehicles are missing the anti-lock brake (ABS) warning light and circuitry that controls the anti-lock brake function for an attached trailer. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems."
Mack Trucks, Inc. (Mack) is recalling certain 2020-2025 Anthem, Granite, TerraPro and Pinnacle vehicles, equipped with Bendix EC80 Advanced Electronic Control Units (ECU). Electrical noise and low signal to the power line carrier may cause the ECU to incorrectly process commands or stop working.
Mack Trucks, Inc. (Mack) is recalling certain 2021-22 Granite, Anthem, LR, Pinnacle, and Terrapro tractor trailers. The steering gears may have been assembled incorrectly, which can cause the gear to fracture.
Mack Trucks, Inc. (Mack) is recalling certain 2008-2019 TerraPro (MRU) and 2019-2022 TerraPro (TE) vehicles. A brake control valve air leak into the attached exhaust hose can create excessive back pressure, causing the parking brake to release unexpectedly.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What Mack told its dealers about the 2022 Mack Terrapro (te): known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 11010857 | Vehicles may present with oil leak coming from the clutch/flywheel housing and observation of burned clutch smell or clutch slipping. These symptoms can be mistaken as a crankshaft rear main seal leak, when the actual cause is the crankshaft adaptor O-ring. |
| 11010820 | CBR - 11L Engine block compatibility and Backward Conversion Parts Requirements |
| 11009708 | Emission Recall - Mack Trucks has determined that certain vehicles equipped with a model year (MY) 2022-2024 MP8 model engines, may be equipped with an improper engine software calibration that does not match the engine certification label. |
| 11009705 | CBR - Mack Chassis - Timing Gear Plate Repair |
| 11008374 | CBR: US17 GHG Common Rail Fuel System Component Electrical Faults - Model Year 2017 To 2024 |
| 11008368 | CBR: The procedure to eliminate the Mack Chassis "Air Restriction Light On" seen in the cluster is to confirm that the parameter YYT is set to "Enable" with Premium Tech Tool. |
| 11008366 | CBR: To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP fi le will need to be downloaded. |
| 11006927 | CBR: Diagnostic Trouble Code (DTC) U010187- Lost Communication With TECU |
| 11006925 | CBR: 11L, 13L, And 16L Engine Oil Analysis Specifications - US10 And Newer Emissions |
| 11006924 | CBR: Overhead Wear Overview - Model Year2018 To Current (Common Rail Fuel System ONLY) |
| 11006923 | CBR: Mack chassis with an mDRIVE transmission, there have been reports of complete shift assemblies and TECUs being replaced due to technicians being unable to pinpoint the source of the air leak. |
| 11005410 | CBR: Telematics Gateway (TGW) Connect Ability Issues |
| 11005409 | CBR: Diagnostic Trouble Code (DTC) P107471 - AMT-F |
| 11003043 | CBR - Mack Chassis - Day Cab Glass Breakage |
| 11003042 | CBR - Accelerator Pedal: Inspection Instructions |
| 11003036 | CBR - Mack Chassis - Door Adjustment - Model TE |
| 10253807 | CBR: Turbo Compound (TC) Hot Side Noise, Diagnostic Information. |
| 10253804 | CBR: Equipped With An Automated Manual Transmission Model D or F ( AMT-D, AMT-F, mDrive) Missing X1 Value In VDA And Default Settings Guidelines, ParameterP1AOB; Fault Code P1052-54, Error 40,Or Error 18 Encountered During Clutch Or Tran. |
| 10252308 | CBR: Vehicles built with an 11 liter engine may experience a complaint of excessive fuel in the oil. It is possible that the source of the fuel is the rear fuel galley plug in the cylinder head. |
| 10251333 | CBR -Telematics Gateway (TGW) Connect Ability Issues |
| 10251331 | CBR - Active "Set Park Brake" Message On Drivers Information Display (DID). |
| 10251330 | CBR - Diagnostic Trouble Code (DTC) P107471 - AMT-F |
| 10251329 | CBR - Automated Manual Transmission ( AMT ) Flywheel Pilot Bearing Wear On Input Shaft. |
| 10251328 | CBR - Driveline Noise, Suspension Ride Height Too High, Suspension Will Not Exhaust - Chassis Built 2016w01 And Newer. |
| 10249553 | CBR: TGW Will Not Connect After SIM Card Replacement |
NHTSA manufacturer communications (public domain)
NHTSA investigations
Vehicle Roll Away
NHTSA Office of Defects Investigation