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Service bulletins for the 2017 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.

245 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
KC-1932021-12-07. Service bulletin. ENGINE AND ENGINE COOLING. 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
KC-1672021-12-07. Service bulletin. ENGINE AND ENGINE COOLING. Premium Tech Tool (PTT) Error Code 43: Service Regeneration Fails To Start; Service Regen Does Not Complete With Error 43 Displayed - US10+OBD13 And Newer Emissions, Common Model Year 2014 And Newer
KC-1642021-12-07. Service bulletin. ENGINE AND ENGINE COOLING. Mack Chassis - Diagnostic Trouble Code ( DTC ) P0422 Lighting The Malfunction Indicator Light ( MIL ) - US14+OBD15 And US14+OBD16 Emissions, Common Model Years 2016 And 2017
KC-1362021-11-05. Service bulletin. ENGINE AND ENGINE COOLING. Aftertreatment Control Module (ACM) Offline/Not Visible/Missing From Control Unit Information in Premium Tech Tool (PTT) - US10+OBD13 And Newer Emissions
KC-1302021-11-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); FUEL SYSTEM, OTHER. Air In The Fuel System Tests, Common Rail Fuel System - US17+OBD16 and Newer Emissions
KC-1262021-11-05. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE. 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
KC-1122021-11-05. Service bulletin. UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE. Mack Chassis - Diagnostic Trouble Code ( DTC ) P05EB, Diagnostic And Repair Information - US14+OBD15 And US14+OBD16 (Commonly Model Years 2016 And 2017)
CBR-152021-07-06. Service bulletin. ENGINE AND ENGINE COOLING. Diagnostic Trouble Codes (DTC) For The Engine Pre-Heat Relay: Supplementary Instructions
FSB 237-0212021-04-05. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, DIESEL; EQUIPMENT; ELECTRICAL SYSTEM. Valve, Common Rail, Removal
K533380752020-06-03. Service bulletin. ENGINE AND ENGINE COOLING. Diagnostic Trouble Codes (DTC) For The Engine Pre-Heat Relay: Supplementary Instructions - US10+OBD13 And Newer Emissions, Model Year 2014 And Newer
K035733292020-06-03. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Diagnostic Trouble Codes ( DTC ) P2080, P2084, P242B Lighting The Malfunction Indicator Lamp ( MIL ) - US14+OBD16, US17+OBD16, And US17+OBD18 Emissions, Model Years 2017 To 2019
K475478562020-05-06. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. Particulate Matter (PM) Sensor Diagnostic Trouble Codes (DTC) Illuminating The Malfunction Indicator Lamp (MIL) - US14+OBD16, US17+OBD16 And Newer Emissions, Model Year 2017 And Newer - To Be Used For EVERY Visit
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
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
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
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
K238845372019-12-09. Service bulletin. ENGINE AND ENGINE COOLING. Diagnostic Trouble Code (DTC) P04DB - Crankcase Ventilation Disconnected; US10+OBD13 To US14+OBD16 Emissions (Non-Common Rail Fuel System), Common Model Years 2014 To 2017
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
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
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
K176967922019-02-19. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Diagnostic Trouble Code (DTC) P24F6-00, Exhaust Aftertreatment Fuel Air Purge Valve Stuck Open Or DTC P24F7-00, Exhaust Aftertreatment Fuel Air Purge Valve Stuck Closed - US14+OBD15 Emissions And Newer, Model Year 2016 And Newer
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
K860946412018-07-16. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. Mack Chassis - Diagnostic Trouble Code ( DTC ) P226C Intermittently Lighting The Malfunction Indicator Lamp ( MIL ) - US14+OBD13, US14+OBD15 And US14+OBD16 Emissions , Common Model Years 2015 to 2017
K232588632018-07-16. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. Mack Chassis - Diagnostic Trouble Codes ( DTC ) P10FE And P24A4 Lighting The Malfunction Indicator Light ( MIL ) - US14+OBD13, US14+OBD15 And US14+OBD16 Emissions, Common Model Years 2015 To 2017

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