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Service bulletins for the 2018 Mack LR

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.

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

By type

By component

By trouble code

Bulletins, newest first
K751100322020-05-06. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; FUEL SYSTEM, DIESEL. FSB 233-007, Fuel Filter Housing, Replacement; Extra Port On Fuel Filter Housing When Replacing With New Part - Vehicles Manufactured Between 14 November 2016 And 31 December 2019
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
K595542552020-05-05. Service bulletin. ENGINE AND ENGINE COOLING. EXPIRED - Refer To K47547856 - Debranded Solutions - 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
FSB 233-0072020-05-05. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; FUEL SYSTEM, DIESEL. Fuel Filter Housing, Replacement
K011572832020-04-06. Service bulletin. 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
K655277082020-04-03. Service bulletin. ENGINE AND ENGINE COOLING. Diagnostic Trouble Codes (DTC) P20EE And P103C, Diagnostic Procedure; - US17+OBD16 And US17+OBD19 Emissions
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
S74542020-03-09. Service bulletin. ENGINE. Modify Air Dryer TCOV
K655277082020-02-24. Service bulletin. EQUIPMENT. Diagnostic Trouble Codes (DTC) P20EE And P103C, Diagnostic Procedure; REPLACES GUIDED DIAGNOSTICS IN PREMIUM TECH TOOL ( PTT ) - US17+OBD16 And US17+OBD2018 Emissions, Model Years 2018 And 2019
K221149012020-02-24. Service bulletin. ELECTRICAL SYSTEM. Engine Control Module (EMS) Software (MSW) Information - November 2019; Improvement List (Change Log) And Explanations For Issues And Diagnostic Trouble Codes (DTC, Fault Codes) US17+OBD2016 And US17+OBD18 Emissions, Model Years 2018 And 2019
K409142412020-01-13. Service bulletin. FUEL SYSTEM, GASOLINE. Common Rail Fuel System Faults - Diagnostic Trouble Codes (DTC) P0094, P228F, P016F, P0087,P00C6, P0257, P2A17, P2A1F, P008A; Repair Information - US17+OBD16, US17+OBD18, and US17+OBD19 Emissions, Model Years 2018 To 2020
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
K255882222019-12-09. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. Model Year ( MY ) 2017, 2018 - US17 GHG Emissions Engine - Common Rail Fuel Injector - Electrical Test
M00682019-12-09. Service bulletin. EQUIPMENT. EC0020C Cabover, Analysis & SCR Hardware Replacement - 2 Box
K300241432019-10-28. Service bulletin. ENGINE AND ENGINE COOLING. Mack Chassis - Oil Diluted With Fuel; Fuel In Oil, Diagnostic Information - All Emissions Prior To US17+OBD16 (Common Rail Fuel System), Model Year 2017 And Older
K413925142019-10-28. Service bulletin. POWER TRAIN:DRIVELINE:DRIVESHAFT. Mack Chassis - Drive Axle Brake Chamber Rubbing Frame Or Brake Drum - Vehicles Built Between 7 July 2014 And 23 August 2019
K631200372019-10-28. Service bulletin. ELECTRICAL SYSTEM. Regeneration Option Menu Missing From EATS Status Menu; Option To Start A Manual (Parked) Regen Missing In Instrument Cluster - US17+OBD2016 Emissions, Model Year 2018 (Common Rail Fuel System ONLY)
K595542552019-09-30. Service bulletin. EXTERIOR LIGHTING; BACK OVER PREVENTION. 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
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
K869000432019-07-15. Service bulletin. ENGINE AND ENGINE COOLING. Exhaust Gas Recirculation (EGR) System - Fault Codes SPN 412 FMI 0,2,5; Diagnostic Trouble Codes (DTC) P040A, P040B, P1121 - Temperature Sensor Inspection
K335936042019-07-01. Service bulletin. ELECTRICAL SYSTEM. Diagnostic Trouble Codes (DTC) P0069-64, P10EC-00, P0191-00 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
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

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