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Service bulletins for the 2021 Mack Anthem

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

227 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
KC-2094 Rev 32023-07-06. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; ELECTRICAL SYSTEM. Infotainment System - Volume Drop During A Phone Call, Phone Connected Via Bluetooth
SLM23-0052023-06-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Service Literature Published and Released in May, 2023
M-371-0042023-01-03. Service bulletin. EQUIPMENT:ELECTRICAL; VISIBILITY/WIPER. TBS- Jumper Harness,Wiper Motor,Replacement
KC-7352022-07-05. Service bulletin. EQUIPMENT. Premium Tech Tool (PTT) - Message For Data Mismatch, Product Configuration Mismatch; Instruction To Run An Accessory Kit Displayed When Attempting To Run Diagnostics For Diagnostic Trouble Codes (DTC) Or Programming - US10+OBD13 And Newer Emissions,
KC-6272022-06-07. Service bulletin. EQUIPMENT. Premium Tech Tool ( PTT ) Training Materials And Support Tools
KC-6512022-06-07. Service bulletin. EQUIPMENT. Mack Dealer Support Communication - Selecting The Proper SR Area For Creating An eService
SLM22-0042022-05-06. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; EQUIPMENT; STEERING. Service Literature Published and Released in April, 2022
KC-3652022-04-06. Service bulletin. EQUIPMENT; SUSPENSION; EQUIPMENT:MECHANICAL:INTEGRATED JACK/LEVELER/STABILIZER. Mack Chassis - Technical Service Bulletin M-728-005, Leveling Valve, Leak Test, Air Leaks From The Leveling Valve After The Vehicle Is Parked (Shut Off)
KC-4262022-02-04. Service bulletin. EQUIPMENT; STRUCTURE:BODY:HOOD; VISIBILITY. Mack Chassis - Anthem (AN) - Hood Mounted Mirror Repair; Mirror Covers Loose, Rattling, Vibrating
KC-4062022-02-04. Service bulletin. EQUIPMENT; FUEL SYSTEM, DIESEL. Dye Test Procedure; Fuel System Leak Check - Common Rail Fuel System - US17+OBD16 And Newer Emissions, Common Model Year 2018 And Newer
KC-3912022-02-04. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Noise On The AM Radio Band; Thumping, Ticking, Fluttering Sound On AM Radio Band - Model Year 2018 And Newer
KC-2892021-08-02. Service bulletin. EQUIPMENT. Mack Models CHU, CXU, AN, PI - Troubleshooting And Repair Information For The Indel B Refrigerator - All Model Years
S75762021-08-02. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. VECU Software Update
SC04222021-04-06. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Canada Non-Compliance DRL overide
S75522021-02-01. Service bulletin. EQUIPMENT:OTHER:LABELS; STRUCTURE:BODY:DOOR. Incorrect Data on Door Label Set
S75452020-12-01. Service bulletin. STEERING; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Draglink Split Pin Inspection
S74952020-06-03. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. Coolant Drain Line

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.