Vehicle report

2026 MACK ANTHEM AN (4)

Service bulletins

65 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 2599 202608

Service Bulletin/Repair Instructions

The purpose of this CBR is to provide support for complaints of trailer braking aggressively.

CBR 2598 202608

Service Bulletin/Repair Instructions

The purpose of this CBR is to provide steps on how to utilize the injector widget (within workshop toolbox) to aid with injection system issues.

CBR 2597 202608

Service Bulletin/Repair Instructions

The purpose of this CBR is to provide steps on how to correct a customer complaint of "Service Required" message for air filter replacement appears in the cluster. There may be no option in PTT or the cluster to reset the air filter service interval.

CBR 2596 202608

Service Bulletin/Repair Instructions

The purpose of this CBR is to provide steps on how to correct a customer complaint of a no crank/engine start condition.

TSB M-590-001 072026

Service Bulletin/Repair Instructions

TSB - Wheel Speed Sensor Fitting And Cable Clamping.

CBR 2585-3 072026

Service Bulletin/Repair Instructions

CBR - The purpose of this CBR is to provide support for fault codes C106718 and/or C106818.

CBR 2545-3 072026

Service Bulletin/Repair Instructions

CBR - The purpose of this CBR is to provide guidance on fault code U114688.

TSB M-371-005 072026

Service Bulletin/Repair Instructions

TSB - Jumper Harness Repair.

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-2590-2 202606

Service Bulletin/Repair Instructions

The purpose of this CBR is to provide steps on how to correct a customer complaint of instrument cluster going dark (blackout) situation.

CBR-2591-1 202606

Service Bulletin/Repair Instructions

The purpose of this CBR it to provide release notes for the recent Engine ECU software.

CBR-2496-16 202606

Service Bulletin/Repair Instructions

The purpose of this CBR is outline the interim software solution for PR(4) and AN(4).

CBR-2568-5 202606

Service Bulletin/Repair Instructions

Contact Workshop; Communication Lost With Ultracapacitor Message With Associated CCIOM DTC U100687 And A Startability Issue.

CBR-2587-2 202606

Service Bulletin/Repair Instructions

The purpose of this cbr is to provide steps on how to protect the alternator power cable connection from corrosion.

CBR-2586-1 202606

Service Bulletin/Repair Instructions

The purpose of this CBR is to address issues of exhaust stack rotation on version 4 products.

CBR 2456-6 202605

Service Bulletin/Repair Instructions

Infotainment Update for Missing Apps, Navigation, and Apple/Android CarPlay Issues

CBR-2465-7 202606

Service Bulletin/Repair Instructions

The purpose of this CBR is to help diagnosis issues with the Proactive Engine Restart system and Hood Open popup message.

CBR-2588-2 202606

Service Bulletin/Repair Instructions

The purpose of this CBR is to provide aid in VMCU fault B1524-49 along with a Rain sensor which will not calibrate.

CBR 2465-6 202605

Service Bulletin/Repair Instructions

CBR to diagnosis issues with the Proactive Engine Restart system and Hood Open message.

GDC26-02 202605

Service Bulletin/Repair Instructions

Fault diagnostic information for Supplemental Restraint / Airbag Inflation System (SRS)

CBR 2587-1 202605

Service Bulletin/Repair Instructions

CBR to provide steps on how to protect the alternator power cable connection from corrosion.

CBR 2583-1 202605

Service Bulletin/Repair Instructions

Tire Pressure Monitoring System U101A / U101B Fault Solution

CBR 2496-14 202605

Service Bulletin/Repair Instructions

CBR to address when you should update to 3.0 service pack software update.

CBR 2585-1 202605

Service Bulletin/Repair Instructions

CBR to provide support for fault codes C106718 and/or C106818.

CBR 2584-4 202605

Service Bulletin/Repair Instructions

Electronically controlled suspension (ECS) calibration procedure.

CBR 2502-7 202605

Service Bulletin/Repair Instructions

Mack Chassis - Battery Sensor Diagnostic, Calibration, and Configuration Procedure

CBR 2568-3 202604

Service Bulletin/Repair Instructions

CBR - Communication Lost With Ultracapacitor Message With Associated CCIOM DTC U100687 and a Startability Issue.

GDC26-001 202604

Over The Air

GDC - Transmission Oil Level Sensor

CBR 2574 202604

Service Bulletin/Repair Instructions

CBR - Manual TPMS Wheel Sensor Calibration.

CBR 2562-15 202604

Service Bulletin/Repair Instructions

CBR - Electric Pneumatic Module (EPM) Fault

CBR 2569-3 202604

Service Bulletin/Repair Instructions

CBR - Brake Pad Wear Indicator DTC C107E68.

CBR 2540-7 202604

Service Bulletin/Repair Instructions

CBR - Upper Bunk Restraint System – Plastic Gable Retention Field Fix.

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 2570-1 032026

Service Bulletin/Repair Instructions

CBR - EBS - Electro-Pneumatic Module - Signal Compare Failure DTC C109562 - AN (4) - PR.

CBR 2712-7 032026

Service Bulletin/Repair Instructions

CBR - No Start Condition After Over the Air Programing.

CBR 2564-1 032026

Service Bulletin/Repair Instructions

CBR - Check Radar Pop Up Message.

CBR 2565-1 032026

Service Bulletin/Repair Instructions

CBR - Trailer, 12Volt Right/Left Direction Indicator Circuit Warning - AN (4) - PR.

CBR 2246-5 032026

Service Bulletin/Repair Instructions

CBR - Z Spring Bracket Wear.

CBR 2514 022026

Service Bulletin/Repair Instructions

CBR - This procedure provides a temporary corrective action for the “Lost Communication to Alternator” message and Vehicle Master Control Unit (VMCU) DTC C103508 caused by a software issue.

S4757 022026

Service Campaign

SC - Certain model AN(4)’s and PR’s could experience DEF leaks or crystallization due to the installation of incorrect fasteners for the Urea Dosage Valve.

CBR 2522-5 202601

Service Bulletin/Repair Instructions

CBR - Frequent Parked Regeneration Requests - Models PR (4), AN (4).

CBR 2443-3 202601

Service Bulletin/Repair Instructions

CBR - Trailer Tandem Adjustment Procedure - PR (4) - AN (4).

CBR 2496-9 202601

Service Bulletin/Repair Instructions

CBR - The purpose of this CBR is outline the interim software solution for PR(4) and AN(4).

CBR 2540-5 202601

Service Bulletin/Repair Instructions

CBR - Upper Bunk Restraint System – Plastic Gable Retention Field Fix.

CBR 2545-1 202601

Service Bulletin/Repair Instructions

CBR - U114688 VMCU Communication Fault - AN (4) - PR (4).

CBR 2502-2 202601

Service Bulletin/Repair Instructions

CBR - Mack Chassis - Battery Sensor Diagnostic and Calibration Procedure - PR (4) - AN (4).

CBR 2516-6 202601

Service Bulletin/Repair Instructions

CBR - CMS Black Screen Troubleshooting - PR (4) - AN (4).

SC S4742 202601

Service Campaign

CBR MCO/VECI Label Reprint.

SC S4751 202601

Service Campaign

CBR - Driver Environment Control Module Replacement.

CBR 2540 202512

Service Bulletin/Repair Instructions

Upper Bunk Restraint System – Plastic Gable Retention Field Fix

CBR 2542 202512

Service Bulletin/Repair Instructions

This document provides mandatory interim parameter settings to ensure proper vehicle operation.

CBR 2526 202512

Service Bulletin/Repair Instructions

The purpose of this CBR is to address driver complaint of parking heater inoperative.

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 2532-1 202511

Service Bulletin/Repair Instructions

CBR - Automatic High Beam PR(4) - AN(4).

CBR 2514-2 202511

Service Bulletin/Repair Instructions

CBR - Lost Communication to Alternator Message - DTC C103508.

CBR 2526-4 202511

Service Bulletin/Repair Instructions

CBR - Parking Heater Inoperative - PR(4) - AN (4).

CBR 2467-5 202511

Service Bulletin/Repair Instructions

CBR - Service Required Message PR(4), AN(4).

CBR 2516-3 102025

Service Bulletin/Repair Instructions

CBR - CMS Black Screen Troubleshooting.

CBR 2480-7

Service Bulletin/Repair Instructions

CBR - Resolution Process for Locked Control Unit(s)

CBR 2514-1 102025

Service Bulletin/Repair Instructions

CBR - Lost Communication to Alternator Message.

CBR 2503 092025

Service Bulletin/Repair Instructions

The purpose of this CBR is to outline the steps for adjusting brake pedal freeplay following Foot Brake Modulator (FBM) replacement or when diagnostic code C10C3-77is present.

CBR 2502 092025

Service Bulletin/Repair Instructions

This CBR solution provides guidelines for ensuring the correct position of battery sensor modules and battery sensor harnesses on the Mack PR (4) and AN (4) chassis, as well as the Battery Sensor Diagnostic and Calibration Procedure.

CBR 2497 092025

Service Bulletin/Repair Instructions

Electronic control units on the VN(4), PR (4) and AN (4) contain information that is critical for vehicle functionality, maintaining vehicle life data, and maintaining vehicle compliance. Because of this, swapping ECUs from truck to truck even for diagnostic purposes may cause functional or compliance complications that may or may not be apparent.

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.

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.