WenmarOpen by Wenmar Pro

Service bulletins for the 2018 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.

300 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
K655277082020-05-06. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Diagnostic Trouble Codes (DTC) P20EE And P103C, Diagnostic Procedure; REPLACES GUIDED DIAGNOSTICS IN PREMIUM TECH TOOL ( PTT ) - US17+OBD16 Through US17+OBD2018 Emissions, Model Years 2018 And 2019
FSB 233-0072020-05-05. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; FUEL SYSTEM, DIESEL. Fuel Filter Housing, Replacement
K011572832020-04-03. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS; ELECTRICAL SYSTEM. Front Accessory Drive Noise, Alternator Belt Wear, Alternator Belt Tensioner Failure - Model Year 2017 And Newer
S74552020-03-09. Service bulletin. EQUIPMENT. GR/GU ABS valve bracket installed incorrectly
S74482020-03-09. Service bulletin. ELECTRICAL SYSTEM:IGNITION; EQUIPMENT; ENGINE. IGNITION CYLINDER REPLACEMENT-CUMMINS ENGINE
K092010172020-03-09. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. Correct Aftermarket Installation Of Permanent Electronic Log Devices ( ELD )( Qualcomm, PeopleNet, Omnitracs, GPS, Location Tracker, Etc.) RP1226 connection On The Data Link; Installation Instructions And Information For Third Party ( Aftermarket ) Devices Connected To The Data Link - US17+OBD16 And Newer Emissions, Models Built up to Week 37 (9/13) 2019.
K889928922020-01-13. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Assembled Camshaft - Injector Lobe Rotation Inspection For Possible Spun Camshaft Lobe; Diagnostic Trouble Codes (DTC) P0257-00, P2A17-00, Or P2A1F-00, Possible Lack Of Power - US17+OBD16 and Newer Emissions
K208781182019-12-09. Service bulletin. EQUIPMENT. Diagnostic Trouble Codes ( DTC ) P205B-64 - Reductant Tank Temperature Sensor Circuit Range/Performance - Model Year 2018 and Newer
M00692019-12-09. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. EC0020C Conventional, Analysis & SCR Hardware Replacement - 2 Box
M00752019-12-09. Service bulletin. EQUIPMENT. EC0022C Analysis & SCR Hardware Replacement, 11L - 1 Box
K655277082019-08-19. Service bulletin. EQUIPMENT. Diagnostic Trouble Codes (DTC) P20EE And P103C, Diagnostic Procedure; REPLACES GUIDED DIAGNOSTICS IN PREMIUM TECH TOOL ( PTT ) - US17+OBD16 And Newer Chassis ONLY
K335936042019-08-19. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Diagnostic Trouble Codes (DTC) P0069-64, P10EC-00, P0191-64 and P240F-00 In Different Combinations, Occurrences, And Time Stamps (Two To Four Codes), Possible Vehicle Derate - US17+OBD16, US17+OBD18 Emissions, Common Model Years 2018 And 2019
K595542552019-07-15. Service bulletin. EQUIPMENT. Mack Chassis - Particulate Matter (PM) Sensor Diagnostic Trouble Codes (DTC) Illuminating The Malfunction Indicator Lamp (MIL); Tech Tip TT-014-2016 - US14+OBD16, US17+OBD16 And Newer Emissions, Common Model Year 2017 And Newer - To Be Used For EVERY Visit
K853184132019-05-20. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Noise On The AM Radio Band; Poor Or No Reception On AM Radio - Model Year 2018 And Newer
K638795412019-05-20. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT:ELECTRICAL. Unable To Retrieve "On Request" Messages For PeopleNet Or Omnitracs Modules Installed On The DL5 Data Link; Third Party Electronic Log Device Not Reporting Certain Data
FSB563-0082019-04-22. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Plugs, Pressure Protection Manifold
K846823082019-04-22. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES. Mack Chassis - Theft Deterrent System (TDS) Not Working; TDS Does Not Accept Password, Lockout Prevents Vehicle Operation - Model Years 2018 And 2019
K490533222018-10-15. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Vehicle Speed Factor (K-Factor) Programming - Speed Factor Value Incorrect When Calculated In Premium Tech Tool (PTT); Speedometer Reading Incorrectly Following A Change To Vehicle Speed Factor - US17+OBD16 And Newer Emissions, Common Model Year 2018 And Newer
K010296372018-06-18. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. Secondary Fuel Filter Damaged Lip Seal; High Pressure Fuel System Learning And Control Limit and System Pressure Diagnostic Trouble Codes (DTC), Possible Uneven Operation - US17+OBD16 And Newer Emissions (Common Rail Fuel System), Commonly Model Year 2018 And Newer
K010503032018-03-19. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Diagnostic Trouble Code ( DTC ) P0471 Illuminating The Malfunction Indicator Lamp (MIL) - US17 (GHG17, Common Rail Fuel System) Chassis ONLY
K043423272018-03-19. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Diagnostic Trouble Code ( DTC ) P0420 Illuminating The Malfunction Indicator Lamp (MIL) - US17 (GHG17, Common Rail Fuel System) Chassis ONLY

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