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Service bulletins for the 2023 Mack Granite

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.

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

By type

By component

By trouble code

Bulletins, newest first
KC-2012-Ver32023-06-05. Service bulletin. SERVICE BRAKES. CBR: SNM 20-005 - HD Disc Brake Rotor Upgrade
KC-2263-Ver52023-06-05. Service bulletin. ENGINE AND ENGINE COOLING. CBR: Timing Gear Plate Repair. This solution provides supplementary information to be used when installing a Timing Gear Plate with Integrated Seal.
M-773-005a2023-05-03. Service bulletin. WHEELS. TSB: Hub Cap, Leaking
M-170-0032023-05-03. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. TSB: Vibration Diagnostics
M-170-0012023-05-03. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. TSB: Stock Vehicle Storage and Maintenance
M-700-0012023-05-03. Service bulletin. STRUCTURE. TSB: Frame Flange Relief Cut-out Templates with 105 millimeter Frame Flanges
M-170-0022023-05-03. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. TSB: New Vehicle Safety Certification Requirements for Vehicles, U.S. and Canada
KC-22732023-05-03. Service bulletin. SUSPENSION. CBR: Mack - Pre-Delivery Inspection (PDI) Torque Values
KC-22662023-05-03. Service bulletin. ELECTRICAL SYSTEM. CBR: Mack Granite - Diagnostic Trouble Code (DTC) P208464
KC-22642023-05-03. Service bulletin. ELECTRICAL SYSTEM. CBR: Mack Chassis - Allison Reduced Engine Load At A Stop (RELS) Diagnostic Trouble Code P071a Or P07ce - GR,TE,LR Models - Non-Split/Drop Box PTO
KC-22722023-05-03. Service bulletin. ENGINE AND ENGINE COOLING. CBR: Diagnostic Trouble Code (DTC) P008A - Low Pressure Fuel System Pressure - Too Low
KC-22692023-05-02. Service bulletin. ENGINE AND ENGINE COOLING. CBR: 11L Engines, Non-Common Rail - Air Compressor Coolant Pipe, Parts Substitution - US14+OBD13 To US14+OBD16
M-256-0012023-04-04. Service bulletin. ENGINE AND ENGINE COOLING. New TSB for air cleaner housing repair
M-220-0012023-04-04. Service bulletin. ENGINE AND ENGINE COOLING. New TSB for oil galley plug leaking.
M-773-0052023-04-04. Service bulletin. WHEELS. New TSB- Hub cap leaking
S76742023-04-04. Service bulletin. POWER TRAIN. Snow door bumber install
KC-22582023-04-04. Service bulletin. POWER TRAIN. Diagnostic Trouble Code (DTC) P107471 - AMT-F
S76272023-03-07. Service bulletin. ENGINE AND ENGINE COOLING. Mack MMD Alternator Pulley
KC-22542023-03-07. Service bulletin. ELECTRICAL SYSTEM. Mack Chassis - No Gauge Cluster Backlight
KC-21652023-03-07. Service bulletin. ENGINE AND ENGINE COOLING. Mack DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions
KC-22482023-03-07. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. Flywheel Housing Thread Repair
KC-22532023-03-07. Service bulletin. SUSPENSION. Barksdale Height Control Valve Troubleshooting Guide
KC-3062023-03-07. Service bulletin. POWER TRAIN. Diagnostic Trouble Code ( DTC ) P10AE Logged In TECU With ACTIVE Or INACTIVE Status, Fault Code Cannot Be Cleared; Possibly Accompanied By P105817 And P105818 - US10+OBD13 And Newer Emissions (16-Pin Diagnostic Connector), Commonly Model Year 2014
KC-22532023-03-06. Service bulletin. SUSPENSION. Barksdale Height Control Valve Troubleshooting Guide
S76702023-02-02. Service bulletin. SEATS. National Driver Seat Armrest Missing

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