Vehicle report

2024 MACK LR

Compare every MACK LR yearNHTSA and EPA records

Service bulletins

80 bulletins

Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.

CBR-2592-1 202606

Service Bulletin/Repair Instructions

The purpose of this CBR is to provide steps on how to correct a customer complaint of DTC P107B86 accompanied With intermittent loss of throttle.

CBR 2362-3 202604

Service Bulletin/Repair Instructions

CBR - Mack Carrier Nut Adhesive Change.

CBR 2573-1 202604

Service Bulletin/Repair Instructions

CBR - Mack Chassis - Through Shaft Bearing Retainer Breakage On Mack Carriers.

SC S4920 202604

Service Campaign

SC - Trunion Nut Pinch Bolt.

CBR 2712-7 032026

Service Bulletin/Repair Instructions

CBR - No Start Condition After Over the Air Programing.

S4342 022026

Service Campaign

SC - Mack Trucks has determined that a select group of trucks were built with an AHI Module fuel pressure sensor which does not meet our specifications.

CBR 2440-3 202601

Service Bulletin/Repair Instructions

CBR - Mack Chassis - Model LR - Linear Assist Cylinder Repair.

CBR 2107-22 202601

Service Bulletin/Repair Instructions

CBR - Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions to US22+OBD2023 (DOES NOT APPLY TO AN(4) and PR(4)).

CBR 2171-11 202511

Service Bulletin/Repair Instructions

CBR - Mack Temperature Sensor Troubleshooting Guide

CBR 2172-5 082025

Service Bulletin/Repair Instructions

CBR - When an OTA (Over-The-Air) job starts to program the VECU blocks the starter relay out, if the job ends in a Critical failure, the vehicle will remain in Safe State.

CBR 2488 072025

Service Bulletin/Repair Instructions

CBR - A significant GPS reporting issue is affecting fleet operations, with trucks maintaining back-office communication but failing to transmit GPS location data.

CBR 407 072025

Service Bulletin/Repair Instructions

CBR - To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP file will need to downloaded.

CBR 170-8 202505

Service Bulletin/Repair Instructions

Inactive Code P25AE00 Being Generated After A Hard Pull And A Momentary Drop In Engine Oil Pressure (Low Oil Pressure) (Possible Related Codes - SPN4811 , SPN 100 , PID 100)

CBR 2107-21 202505

Service Bulletin/Repair Instructions

Mack DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions and Newer

CBR 901-5 202505

Service Bulletin/Repair Instructions

Remote Control Central Door Lock, Programming; Key Fob Cannot Be Programmed Or Does Not Work After Programming - Model Year 2018 And Newer

CBR-561 202503

Service Bulletin/Repair Instructions

If oil dilution is suspected refer to the applicable CBR solution below: ∙ CBR-659􀁡Mack Chassis - Oil Diluted With Fuel; Fuel In Oil, Diagnostic Information - All Emissions, All Model Years

S4342-202502

Service Bulletin/Repair Instructions

Mack Trucks has determined that a select group of trucks were built with an AHI Module fuel pressure sensor which does not meet our specifications.

CBR-2016 202412

Service Bulletin/Repair Instructions

Frame lean can be caused by several seemingly isolated possibilities. The two most common are suspension and frame assembly issues.

CBR-997 202411

Service Bulletin/Repair Instructions

Vehicles may present with oil leak coming from the clutch/flywheel housing and observation of burned clutch smell or clutch slipping. These symptoms can be mistaken as a crankshaft rear main seal leak, when the actual cause is the crankshaft adaptor O-ring.

CBR-2417 202411

Service Bulletin/Repair Instructions

CBR - 11L Engine block compatibility and Backward Conversion Parts Requirements

CBR-2263 202410

Service Bulletin/Repair Instructions

CBR - Mack Chassis - Timing Gear Plate Repair

CBR-2258 202409

Service Bulletin/Repair Instructions

CBR: Diagnostic Trouble Code (DTC) P107471 - AMT-F

CBR-570 202409

Service Bulletin/Repair Instructions

CBR: US17 GHG Common Rail Fuel System Component Electrical Faults - Model Year 2017 To 2024

CBR-731 202409

Service Bulletin/Repair Instructions

CBR: Automated Manual Transmission (AMT) Model D or F (mDrive and I-Shift, AMT-D, AMT-F) - Transmission Oil Leakage From Transmission Input Shaft Seal Or Output Shaft Seal - US10 And Newer Emissions, Common Model Years 2010 And Newer

CBR-407 202409

Service Bulletin/Repair Instructions

CBR: To correct the MID136 SID 66 FMI 7 fault code the latest Bendix VCP fi le will need to be downloaded.

CBR-471 202409

Service Bulletin/Repair Instructions

CBR: The procedure to eliminate the Mack Chassis "Air Restriction Light On" seen in the cluster is to confirm that the parameter YYT is set to "Enable" with Premium Tech Tool.

S0310 202409

Service Campaign

Service Campaign: TGW3 Non-Communication

S0310 202408

Service Campaign

Service Campaign: Mack trucks has determined that certain AN, GR, PI, TE, and LR model trucks built with TGW3 have stopped communicating after production.

CBR-523 202408

Service Bulletin/Repair Instructions

CBR: Overhead Wear Overview - Model Year2018 To Current (Common Rail Fuel System ONLY)

CBR-561 202408

Service Bulletin/Repair Instructions

CBR: 11L, 13L, And 16L Engine Oil Analysis Specifications - US10 And Newer Emissions

CBR-2391 202408

Service Bulletin/Repair Instructions

CBR: Diagnostic Trouble Code (DTC) U010187- Lost Communication With TECU

CBR-2350 202407

Service Bulletin/Repair Instructions

CBR: Telematics Gateway (TGW) Connect Ability Issues

CBR-2383 202406

Service Bulletin/Repair Instructions

CBR - Accelerator Pedal: Inspection Instructions

CBR-2334 202406

Service Bulletin/Repair Instructions

CBR - Brake Caliper Concerns And Premature Brake Pad Wear - Model Year 2023 - 2024

CBR-2139 202405

Service Bulletin/Repair Instructions

CBR: Vehicles built with an 11 liter engine may experience a complaint of excessive fuel in the oil. It is possible that the source of the fuel is the rear fuel galley plug in the cylinder head. A new and improved fuel galley plug has been developed to resolve this issue.

S3954 202404

Service Bulletin/Repair Instructions

Fleet Improvement Campaign: Tunnel Radiator Replacement

CBR-1008 202404

Service Bulletin/Repair Instructions

CBR: Equipped With An Automated Manual Transmission Model D or F ( AMT-D, AMT-F, mDrive) Missing X1 Value In VDA And Default Settings Guidelines, ParameterP1AOB; Fault Code P1052-54, Error 40,Or Error 18 Encountered During Clutch Or Tran.

CBR-2258 202404

Service Bulletin/Repair Instructions

CBR: Diagnostic Trouble Code (DTC) P107471 -AMT-F

S3936 201404

Service Bulletin/Repair Instructions

Service Campaign: OTA Premature Oil Service Pop-up

CBR-2013 202404

Service Bulletin/Repair Instructions

CBR: Turbo Compound (TC) Hot Side Noise, Diagnostic Information.

CBR-2139 202403

Service Bulletin/Repair Instructions

CBR: Vehicles built with an 11 liter engine may experience a complaint of excessive fuel in the oil. It is possible that the source of the fuel is the rear fuel galley plug in the cylinder head.

CBR-2350 202402

Service Bulletin/Repair Instructions

CBR -Telematics Gateway (TGW) Connect Ability Issues

S3857 202402

Service Bulletin/Repair Instructions

Service Campaign - MMD Suspension Bracket Torque.

CBR-2014 202402

Service Bulletin/Repair Instructions

CBR - Driveline Noise, Suspension Ride Height Too High, Suspension Will Not Exhaust - Chassis Built 2016w01 And Newer.

CBR-202 202402

Service Bulletin/Repair Instructions

CBR - Automated Manual Transmission ( AMT ) Flywheel Pilot Bearing Wear On Input Shaft.

CBR-2347 202402

Service Bulletin/Repair Instructions

CBR - Active "Set Park Brake" Message On Drivers Information Display (DID).

CBR-2333 202401

Service Bulletin/Repair Instructions

CBR: TGW Will Not Connect After SIM Card Replacement

CBR-2286 202401

Service Bulletin/Repair Instructions

CBR: Diagnostic Trouble Code (DTC) P113600 NOx Sensor 1/2 Correlation Calibration Error Bank 1 - Model Year 2024

S3815 202401

Service Bulletin/Repair Instructions

Service Campaign: LR Power Steering Assist Cylinder Castle Nut Torque

CBR-2320 202312

Service Bulletin/Repair Instructions

CBR: For vehicles equipped with an 11L engine, the plastic saddle bracket holding the a/c line on the left side of the engine may move excessively and rub the area where it secures the line.

CBR-2326 202312

Service Bulletin/Repair Instructions

CBR: The purpose of this solution is to give information on Engine Control Module (EMS) Software content. This document lists issues or problems (DTCs, Fault Codes) mitigated or resolved in specific EMS software.

M-465-001 202311

Service Bulletin/Repair Instructions

TSB: Mack Trucks now offer an improved HD Inter-Axle Through Shaft for the CRD 125, 150, 180, and 200 family carriers. The new HD shaft went into production on January 23rd, 2023 for 2.54 - 3.50 axle ratios and April 1st, 2023 for 3.56 - 3.98 ratios. The new HD through shaft is an upgrade over the current standard shaft and can now be used as a replacement part instead of the standard shaft. The new HD shaft has a new design to increase strength, longevity and life over the standard shaft.

CBR-399 202310

Service Bulletin/Repair Instructions

CBR: Vehicle Overspeed Warning Comes Active At A Lower Speed Than Expected; Vehicle Overspeed Warning In Driver Information Display (DID) - Model Year 2018 And Newer With New Style Instrument Cluster

M-258-014 202309

Service Bulletin/Repair Instructions

TSB: Aftertreatment Diesel Exhaust Fluid (DEF) Tank, Level Sensor, Replacement

CBR-2112 202307

Service Bulletin/Repair Instructions

CBR: Programming Failure - Chassis With Cummins Engine And An Allison Transmission

CBR-2300 202307

Service Bulletin/Repair Instructions

CBR: Battery Electric Vehicle (BEV) - Hybrid Powertrain Control Unit (HPCU) Programing

CBR-2295 202307

Service Bulletin/Repair Instructions

CBR: Battery Electric Vehicle (BEV) - Diagnostic Trouble Code (DTC) Troubleshooting Ending In No Fault Found

CBR-2303 202307

Service Bulletin/Repair Instructions

CBR: Mack DEF Dosing Valve Diagnostic Trouble Codes (DTC) P202D00, P208E00, P103B00 - US10+OBD13 And Newer Emissions

KC-2289

Service Bulletin/Repair Instructions

Diagnostic Trouble Code (DTC) P103200: Particulate Matter Sensor Removed from Exhaust - US21+OBD22 Emissions

KC-2094 Rev 3

Service Bulletin/Repair Instructions

Infotainment System - Volume Drop During A Phone Call, Phone Connected Via Bluetooth

S3275

Service Bulletin/Repair Instructions

Campaign - Mack trucks has determined that certain AN, GR, and PI models were built using the incorrect power steering cooler hose clamps.

KC-2116 Rev 9

Service Bulletin/Repair Instructions

Mack NOx Sensor Troubleshooting Guide - US10+OBD13 And Newer Emissions

KC-2292

Service Bulletin/Repair Instructions

Vehicles Equipped With Chalmers Suspension - Frame Bracket Hardware Loose or Interfering

KC-2286

Service Bulletin/Repair Instructions

Diagnostic Trouble Code (DTC) P113600 NOx Sensor 1/2 Correlation Calibration Error Bank 1 - Model Year 2024

KC-2279

Service Bulletin/Repair Instructions

iLok Fastener Torque

KC-2116 Rev 8

Service Bulletin/Repair Instructions

Mack NOx Sensor Troubleshooting Guide - US10+OBD13 And Newer Emissions

KC-2158 Rev 6

Service Bulletin/Repair Instructions

CBR - Mack Selective Catalytic Reduction (SCR) Muffler Troubleshooting Guide - US10+OBD13 And Newer Emissions

SLM23-005

Service Bulletin/Repair Instructions

Service Literature Published and Released in May, 2023

KC-2050

Service Bulletin/Repair Instructions

CBR: Diagnostic Trouble Code (DTC) P225C00 : NOx1 Sensor Stuck High - US17+OBD2019 And Newer Emissions

KC-331-Ver6

Service Bulletin/Repair Instructions

CBR: Model Year 2017 to Current - Fuel Filter Change ( Primary And Secondary ) For The EM - USA17 Emission Engines

KC-2012-Ver3

Service Bulletin/Repair Instructions

CBR: SNM 20-005 - HD Disc Brake Rotor Upgrade

KC-503-Ver3

Service Bulletin/Repair Instructions

CBR: Automated Manual Transmission ( AMT ) -Transmission Electronic Control Unit ( TECU ) MID130 PSID 29 FMI 7 /P10AE81 Fault Codes Being Generated

KC-2263-Ver5

Service Bulletin/Repair Instructions

CBR: Timing Gear Plate Repair. This solution provides supplementary information to be used when installing a Timing Gear Plate with Integrated Seal.

KC-2229-Ver2

Service Bulletin/Repair Instructions

CBR: Automated Manual Transmission (AMT) Transmission Kickdown Mode

KC-2226-Ver3

Service Bulletin/Repair Instructions

CBR: Diagnostic Trouble Code (DTC) U1FFF68 - Factory Mode Active, Event Information - Model Year (MY) 2023

KC-2273-Rev6

Service Bulletin/Repair Instructions

CBR: Pre-Delivery Inspection (PDI) Torque Values. This is to help with the torque specs needed to complete a Pre- Delivery Inspection (PDI).

KC-474-Ver5

Service Bulletin/Repair Instructions

CBR: Diagnostic Trouble Code (DTC) P215A-64, Fault Code SPN 84 FMI 19

KC-2264

Service Bulletin/Repair Instructions

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-2272

Service Bulletin/Repair Instructions

CBR: Diagnostic Trouble Code (DTC) P008A - Low Pressure Fuel System Pressure - Too Low

M-773-005a

Service Bulletin/Repair Instructions

TSB: Hub Cap, Leaking

Reading this report

Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.