2024 Mack Anthem (an) Technical Service Bulletins

117 technical service bulletins (TSBs) are on record for the 2024 Mack Anthem (an). TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11037730Sep 2, 2026Engine, Transmission and drivetrain. Parker engine-mounted hydraulic pump service bulletin.
• 11036580Aug 10, 2026Electrical system. Mack Trucks Equipped With A Cummins Engine - Engine Preheat Icon Does Not Illuminate In The Instrument Cluster (IC) During Engine Pre-heat (Intake Air Heater) Operation - Vehicles With 2018Instrument Cluster Update, Model Year2018 And Newer
• 11034135Jun 22, 2026Engine. The purpose of this CBR is to provide steps on how to correct a customer complaint of DTC P107B86 accompanied With intermittent loss of throttle.
• 11032094Apr 30, 2026Body and structure, Other or unknown. CBR - Mack Chassis - Dash Panel Cracking at Mounting to BIW.
• 11032092Apr 9, 2026Transmission and drivetrain. CBR - Mack Chassis - Through Shaft Bearing Retainer Breakage On Mack Carriers.
• 11032086Apr 9, 2026Transmission and drivetrain. CBR - Mack Carrier Nut Adhesive Change.
• 11030579Mar 19, 2026Electrical system, Other or unknown. CBR - No Start Condition After Over the Air Programing.
• 11030582Mar 3, 2026Transmission and drivetrain. CBR - Parker F3 Hydraulic Pump Troubleshooting.
• 11030583Mar 2, 2026Suspension. CBR - Z Spring Bracket Wear.
• 11029453Feb 1, 2026Fuel system. SC - Mack Trucks has determined that a select group of trucks were built with an AHI Module fuel pressure sensor which does not meet our specifications.
• 11028041Jan 8, 2026Visibility (wipers, defrost, mirrors), Body and structure. CBR - Mack Chassis - AN And GR Models - Door Glass Shattering.
• 11028032Jan 7, 2026Engine. CBR - Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions to US22+OBD2023 (DOES NOT APPLY TO AN(4) and PR(4)).
• 11027007Dec 4, 2025Engine. Vehicles affected by this issue will show coolant runoff on the front rights side of the engine.
• 11026025Nov 22, 2025Electrical system, Engine. CBR - Mack Temperature Sensor Troubleshooting Guide
• 11026031Nov 13, 2025Electrical system. CBR - Carb 24 Phase 1 - 48V Diagnostics Guide.
• 11026021Nov 12, 2025Engine. CBR - 13 Liter Engines ONLY - Engine Coolant Pump Housing Leak; Coolant Found Around The Oil Cooler Duct Cover Or In Between The Coolant Pump Housing And Oil Cooler Housing.
• 11023450Sep 4, 2025Engine, Electrical system. The purpose of the 48V EATS heater system is to provide additional heat to the exhaust stream allowing the EATS to become active earlier during acold start and during engine operation that produces low exhaust gas temperatures.
• 11022289Aug 22, 2025Electrical system. CBR - When an OTA (Over-The-Air) job starts to program the VECU blocks the starter relay out, if the job ends in a Critical failure, the vehicle will remain in Safe State.
• 11021332Jul 28, 2025Electrical system. CBR - A significant GPS reporting issue is affecting fleet operations, with trucks maintaining back-office communication but failing to transmit GPS location data.
• 11021333Jul 17, 2025Brakes, Electrical system. CBR - To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP file will need to downloaded.
• 11018804May 28, 2025Engine. Inactive Code P25AE00 Being Generated After A Hard Pull And A Momentary Drop In Engine Oil Pressure (Low Oil Pressure) (Possible Related Codes - SPN4811 , SPN 100 , PID 100)
• 11018813May 27, 2025Fuel system, Engine. Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions and Newer
• 11018811May 13, 2025Electrical system. Remote Control Central Door Lock, Programming; Key Fob Cannot Be Programmed Or Does Not Work After Programming - Model Year 2018 And Newer
• 11018816May 1, 2025Transmission and drivetrain. Mack Chassis - Rear Axle Overheat
• 11016348Mar 17, 2025Electrical system. If the vehicle door is open and the truck is in neutral, a popup message may appear on the Driver Information Display (DID) instructing the operator to shift into neutral. If this message appears while the vehicle is already in neutral, the Instrument Cluster (IC)requires a software update.
• 11016347Mar 12, 2025Engine. Cummins Exhaust Aftertreatment System (EATS) catalysts may experience cracking, which may be attributed to excessive vertical vibration in the exhaust stack. To mitigate this issue, a modification to the exhaust stack length is required.
• 11016342Mar 6, 2025Engine. If oil dilution is suspected refer to the applicable CBR solution below: ∙ CBR-659􀁡Mack Chassis - Oil Diluted With Fuel; Fuel In Oil, Diagnostic Information - All Emissions, All Model Years
• 11014710Feb 28, 2025Fuel system, Engine. Mack Trucks has determined that a select group of trucks were built with an AHI Module fuel pressure sensor which does not meet our specifications.
• 11013548Jan 15, 2025Visibility (wipers, defrost, mirrors). This CBR solution provides detailed instructions for diagnosing and addressing window glass shattering issues, including replacement specifications, interference checks, fastener verification, and reinforcement tab adjustments to ensure proper installation and functionality.
• 11012156Dec 3, 2024Suspension. Frame lean can be caused by several seemingly isolated possibilities. The two most common are suspension and frame assembly issues.
• 11010857Nov 14, 2024Engine. 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.
• 11010820Nov 6, 2024Engine. CBR - 11L Engine block compatibility and Backward Conversion Parts Requirements
• 11009705Oct 31, 2024Engine. CBR - Mack Chassis - Timing Gear Plate Repair
• 11009707Oct 23, 2024Engine. CBR - One-Box SCR Weld Leaks.
• 11009708Oct 1, 2024Engine. 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.
• 11009706Oct 1, 2024Engine. CBR - 13L Engine - Rear Main Oil Seal Leak - Model Year 2025
• 11008379Sep 23, 2024Transmission and drivetrain. CBR: Diagnostic Trouble Code (DTC) P107471 - AMT-F
• 11008374Sep 20, 2024Fuel system, Electrical system. CBR: US17 GHG Common Rail Fuel System Component Electrical Faults - Model Year 2017 To 2024
• 11008380Sep 19, 2024Electrical system. CBR: Drivers Information Display (DID) Inoperative/Goes Blank During Vehicle Operation
• 11008377Sep 16, 2024Transmission and drivetrain. CBR: Automated Manual Transmission (AMT) Model D or F (mDrive and I-Shift, AMT-D, AMT-F) - Transmission Oil Leakage From Transmission Input Shaft Seal Or Output Shaft Seal - US10 And Newer Emissions, Common Model Years 2010 And Newer
• 11008366Sep 13, 2024Brakes. CBR: To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP fi le will need to be downloaded.
• 11008368Sep 10, 2024Electrical system. 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.
• 11008392Sep 2, 2024Electrical system. Service Campaign: TGW3 Non-Communication
• 11008382Sep 2, 2024Transmission and drivetrain. CBR: Vehicles Equipped With A Lift Axle - Wheel Speed Fault Code SPN 793, SPN 794 Set When Axle Is Up
• 11006860Aug 29, 2024Electrical system. Service Campaign: Mack trucks has determined that certain AN, GR, PI, TE, and LR model trucks built with TGW3 have stopped communicating after production.
• 11006923Aug 28, 2024Transmission and drivetrain. 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.
• 11006867Aug 24, 2024Engine. Service Campaign: Mack trucks has determined that certain 2023 and 2024 model year AN vehicles could experience an issue with the upper radiator hose collapsing or deforming causing it to leak or interfere with the engine lifting bracket.
• 11006864Aug 24, 2024Engine. Service Campaign: Mack trucks has determined that certain 2023 and 2024 model year AN vehicles could experience an issue with the upper radiator hose collapsing or deforming causing it to leak or interfere with the engine lifting bracket.
• 11006863Aug 24, 2024Steering. Service Campaign: Mack trucks has determined that certain AN, GR, and PI models were built using the incorrect power steering cooler hose clamps.
• 11006925Aug 13, 2024Engine. CBR: 11L, 13L, And 16L Engine Oil Analysis Specifications - US10 And Newer Emissions

← All problems reported for the 2024 Mack Anthem (an)