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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

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
K595542552018-10-15. Service bulletin. ENGINE. 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
K249925492018-09-10. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Engine Control Module (EMS) Software (MSW) Information; Improvement List (Change Log) And Explanations For Issues And Diagnostic Trouble Codes (DTC, Fault Codes) US17+OBD2016 Emissions, Model Year 2018 (Common Rail Fuel System ONLY)
K142355172018-09-10. Service bulletin. ENGINE AND ENGINE COOLING. Common Rail Fuel System - Engine Wiring Harness Will Not Reach / Is Not Long Enough To Connect To Electronic Pressure Relief Valve (EPRV) Connector, Wiring Harness Pulled Tight At EPRV; Correct Clocking, Symptoms, Repair - US17+OBD16 And Newer Emissions, Common Model Years 2018 And Newer
K903584132018-08-20. Service bulletin. ENGINE AND ENGINE COOLING. Common Rail Fuel System - Diagnostic Trouble Code ( DTC ) P0094-00 Fuel System Leak Detected, Small Leak, Diagnostic Information - US17+OBD16 And US17+OBD18 Emissions, Common Model Years 2018 And 2019
K005851052018-08-20. Service bulletin. ENGINE AND ENGINE COOLING. Diagnostic Trouble Code (DTC) P0087-00 Illuminating The Malfunction Indicator Lamp (MIL) Or Stop Engine Light; Possible Engine Power/Torque Derate - US17+OBD16 And US17+OBD18 Emissions, Common Model Years 2018 And 2019
K210520702018-07-16. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE. Intermittent Occurrences Of Very Brief Loss Of Power, Engine Stumble Or Hiccup Lasting Much Less Than A Second, Most Frequently Between 1500 And 1700 RPM, No Diagnostic Trouble Codes ( DTC ) Generated - All Common Rail Fuel System Chassis - US17+OBD16 And Newer Emissions, Commonly Model Year 2018 And Newer
K004918262018-07-16. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. Mack Chassis - Diagnostic Trouble Codes ( DTC ) P208E And P103B Logging With Possible Derate ( SCR Inducement ) - US14+OBD13, US14+OBD15, US14+OBD16 And US17+OBD16 And Newer Emissions, Common Year Models 2015 And Newer
K005275122018-07-16. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. Mack Chassis - Vehicles Equipped With A Vertical Selective Catalytic Reduction (SCR) System - Diagnostic Trouble Codes ( DTC ) P1031 With Possible P24DA Lighting The Malfunction Indicator Lamp ( MIL ) - US17+OBD16 (GHG17, Common Rail Fuel System) Emissions, Commonly Model Year 2018
K422001142018-07-16. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; SERVICE BRAKES, HYDRAULIC. Mack Chassis - Diagnostic Trouble Code ( DTC ) P009E-73 - Fuel Pressure Relief Control Performance / Stuck Off - US17+OBD16 And US17+OBD18 ( GHG17 ) Emissions (With Common Rail Fuel System), Commonly Model Years 2018 And 2019
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
K005275122018-06-18. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Mack Chassis - Vehicles Equipped With A Vertical Selective Catalytic Reduction (SCR) System - Diagnostic Trouble Codes ( DTC ) P1031 With Possible P24DA Lighting The Malfunction Indicator Lamp ( MIL ) - US17+OBD16 (GHG17, Common Rail Fuel System) Emissions, Commonly Model Year 2018
K129024142018-06-18. Service bulletin. ENGINE; STRUCTURE; ELECTRICAL SYSTEM. Engine Speed Does Not Ramp Up From Body Builder Module Request; Requests Sent Via Data Link / Body Link Connector, Not By Switch Or Hardwired Circuit - Generation 2 (INT-GEN2) And Newer (Commonly Model Year 2018)
K004918262018-06-18. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING. Mack Chassis - Diagnostic Trouble Codes ( DTC ) P208E And P103B Logging With Possible Derate ( SCR Inducement ) - US14+OBD13, US14+OBD15, US14+OBD16 Emissions And Newer
K559052212018-06-18. Service bulletin. ENGINE. Mack Chassis - Diagnostic Trouble Code ( DTC ) P0420 Illuminating The Malfunction Indicator Lamp (MIL) - US17+OBD16 And US17+OBD18 (GHG17) Emissions (Common Rail Fuel System) - Commonly Model Years 2018 And 2019
K422001142018-06-18. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. Mack Chassis - Diagnostic Trouble Code ( DTC ) P009E-73 - Fuel Pressure Relief Control Performance / Stuck Off - US17+OBD16 And US17+OBD18 ( GHG17 ) Emissions (With Common Rail Fuel System), Commonly Model Years 2018 And 2019
K232320432018-06-18. Service bulletin. ENGINE AND ENGINE COOLING; EXTERIOR LIGHTING. Mack Chassis - Diagnostic Trouble Code ( DTC ) P02FA Illuminating The Malfunction Indicator Lamp (MIL) - US17+OBD16 And US17+OBD18 (GHG17) Emissions (With Common Rail Fuel System), Commonly Model Years 2018 And 2019
K129024142018-05-29. Service bulletin. ENGINE; VEHICLE SPEED CONTROL:CRUISE CONTROL. Engine Speed Does Not Ramp Up From Body Builder Module Request; Requests Sent Via Data Link / Body Link Connector, Not By Switch Or Hardwired Circuit - Generation 2 (INT-GEN2) And Newer (Commonly Model Year 2018)
K004918262018-05-29. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. Mack Chassis - Diagnostic Trouble Codes ( DTC ) P208E And P103B Logging With Possible Derate ( SCR Inducement ) - US14+OBD13, US14+OBD15, US14+OBD16 Emissions And Newer
K559052212018-05-29. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. Mack Chassis - Diagnostic Trouble Code ( DTC ) P0420 Illuminating The Malfunction Indicator Lamp (MIL) - US17+OBD16 And US17+OBD18 (GHG17) Emissions (Common Rail Fuel System) - Commonly Model Years 2018 And 2019
K232320432018-05-29. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Mack Chassis - Diagnostic Trouble Code ( DTC ) P02FA Illuminating The Malfunction Indicator Lamp (MIL) - US17+OBD16 And US17+OBD18 (GHG17) Emissions (With Common Rail Fuel System), Commonly Model Years 2018 And 2019
FSB284-0672018-04-23. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. ECM and ACM, Reprogramming, OBD2017 and OBD2018
K244831572018-03-19. Service bulletin. ENGINE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Diagnostic Trouble Codes ( DTC ) P208E And P103B Logging With Possible Derate ( SCR Inducement ) - OBD15, US14+OBD16 Emissions And Newer Rewrote test procedure for better clarity.
FSB2840642018-03-12. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ENGINE; ELECTRICAL SYSTEM:SOFTWARE. ECM and ACM Reprogramming, OBD2015
K430562542018-03-12. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. Mack Chassis - Aftertreatment Control Module ( ACM ) not visible in Premium Tech Tool ( PTT ).Added more checks and procedures
K954220632018-03-12. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL; ENGINE. Mack Chassis - Diagnostic Trouble Code ( DTC ) P2459 Lighting The Malfunction Indicator Lamp ( MIL ); Possible Frequent Regeneration Requests - OBD15 And Newer Chassis

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