Vehicle report

2026 MACK ANTHEM (AN)

Service bulletins

27 bulletins

Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.

CBR 159 202608

Service Bulletin/Repair Instructions

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

CBR-2592-1 202606

Service Bulletin/Repair Instructions

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.

CBR 2362-3 202604

Service Bulletin/Repair Instructions

CBR - Mack Carrier Nut Adhesive Change.

CBR 2573-1 202604

Service Bulletin/Repair Instructions

CBR - Mack Chassis - Through Shaft Bearing Retainer Breakage On Mack Carriers.

CBR 2712-7 032026

Service Bulletin/Repair Instructions

CBR - No Start Condition After Over the Air Programing.

CBR 2218-6 032026

Service Bulletin/Repair Instructions

CBR - Parker F3 Hydraulic Pump Troubleshooting.

CBR 2246-5 032026

Service Bulletin/Repair Instructions

CBR - Z Spring Bracket Wear.

CBR 2432-2 202601

Service Bulletin/Repair Instructions

CBR - Mack Chassis - AN And GR Models - Door Glass Shattering.

CBR 199 202512

Service Bulletin/Repair Instructions

Vehicles affected by this issue will show coolant runoff on the front rights side of the engine.

CBR 2171-11 202511

Service Bulletin/Repair Instructions

CBR - Mack Temperature Sensor Troubleshooting Guide

CBR 199-6 202511

Service Bulletin/Repair Instructions

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.

CBR 2517-1 102025

Service Bulletin/Repair Instructions

CBR - Wiper Linkage Inspection.

S4579 092025

Service Campaign

Mack Trucks has identified that certain truck models may have been assembled with incorrect center bearing mounting hardware and could have been torqued incorrectly. Improper torque can increase the risk of hardware failure. To address this issue, please follow the instructions in this document to replace and correctly torque the center bearing and center bearing mounting bracket hardware.

CBR 2172-5 082025

Service Bulletin/Repair Instructions

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.

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.

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.

S4574 072025

Service Campaign

SC - Mack Trucks has identified that certain truck models may have been assembled with incorrectly torqued interaxle prop shaft U-joint hardware.

S4578 072025

Service Campaign

SC - Mack Trucks has determined that certain AN models were assembled without a crossmember that was needed for the pusher axle.

CBR 170-8 202505

Service Bulletin/Repair Instructions

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)

CBR 2107-21 202505

Service Bulletin/Repair Instructions

Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions and Newer

CBR 901-5 202505

Service Bulletin/Repair Instructions

Remote Control Central Door Lock, Programming; Key Fob Cannot Be Programmed Or Does Not Work After Programming - Model Year 2018 And Newer

CBR 2464-1 202505

Service Bulletin/Repair Instructions

Mack Chassis - Rear Axle Overheat

CBR-2452 202503

Service Bulletin/Repair Instructions

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.

CBR-2449 202503

Service Bulletin/Repair Instructions

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.

CBR-561 202503

Service Bulletin/Repair Instructions

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

CBR-2432 202501

Service Bulletin/Repair Instructions

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.

CBR-2016 202412

Service Bulletin/Repair Instructions

Frame lean can be caused by several seemingly isolated possibilities. The two most common are suspension and frame assembly issues.

Reading this report

Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.