Model year

2011 Mack MRU

Body and fuel not decoded. Owner complaints on file from no date to no date.

Recall campaigns covering this model year1061k vehicles or units across those campaigns
Owner complaints0Not enough peers on file
Severity indexNoneCrash, fire, injury or death per 100
First 24 months0Complaints in its first two years
Complaints over time

Complaints about the 2011 Mack MRU by year filed

Owner complaints about this model year, by the year they were filed with NHTSA.

No campaigns match these filters.Reset filters
Source: NHTSA ODI complaints file. The lighter column runs through October.
Components

Complaints by component

Owner complaints by component. Hover or focus a bar for the crash, fire, injury or death count.

No campaigns match these filters.Reset filters
Source: NHTSA ODI complaints file. A complaint can name more than one component; it is counted under the first.
Recalls

10 recall campaigns cover the 2011 Mack MRU

Check a specific vehicle by VIN on NHTSA's site: a campaign may cover only part of a model year's production.

Recall campaigns for the 2011 Mack MRU
CampaignFiledSubjectComponentVehiclesRemedy
25V-030Jan 23, 2025Vehicles are missing the anti-lock brake (ABS) warning light and circuitry that controls the anti-lock brake function for an attached trailerBrakes142Repair or modification
15V-275May 11, 2015Excessive engine crankcase pressures may cause the 90-degree elbow of the vent tube assembly to detach from the crankcase ventilation breather,…Engine and cooling2,124Software update
14V-208Apr 18, 2014Hazard warning lights may failLighting44,047Part replacement
14V-137Mar 24, 2014Condensation in the intake manifold may freeze during cold weather conditions and interfere with the proper operation of the intake manifold…Engine and cooling1,934Software update
12V-096Mar 8, 2012On these vehicles the alternator ground cable runs directly to the starter, which defeats the circuit protectionElectrical system318Repair or modification
12V-067Feb 21, 2012Mack is recalling certain model year 2009-2011 mru and model year 2010-2011 leu vehicles, manufactured from january 1, 2009, through september 30,…Suspension4,032Part replacement
11V-374Jul 20, 2011Bolts used to mount the steering gear were not tightened to specificationSteering2,294Part replacement
11V-272May 3, 2011Due to an incomplete "knitting" of the iron at the time of casting, inadequate structural integrity of the slack adjuster housing can occur, which…Brakes1,524Part replacement
11V-212Apr 1, 2011Electrical circuitry in these vehicles may not provide adequate overcurrent protectionElectrical system3,763Part replacement
10V-404Sep 7, 2010Actuation and release timing of the vehicles exceeds the limit which fails to conform to the requirements of federal motor vehicle safety standard…Brakes369Repair or modification
Source: NHTSA ODI recalls file.
Owner complaints

What owners reported about the 2011 Mack MRU

The full text of every complaint filed with NHTSA about this model year, newest first. Complaints are filed by owners and are not verified by NHTSA; NHTSA removes personal details before publishing.

0 complaints on file.

    Source: NHTSA ODI complaints file.
    Investigations

    NHTSA has not opened an investigation on this model year

    Source: NHTSA ODI investigations file.
    Service bulletins

    211 manufacturer communications cover this model year

    Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall; the 60 most recent are listed.

    • CBR 2573-1 202604 Apr 9, 2026 · Service Bulletin/Repair Instructions
      CBR - Mack Chassis - Through Shaft Bearing Retainer Breakage On Mack Carriers.
    • CBR 2362-3 202604 Apr 9, 2026 · Service Bulletin/Repair Instructions
      CBR - Mack Carrier Nut Adhesive Change.
    • CBR 820-9 202601 Jan 8, 2026 · Service Bulletin/Repair Instructions
      CBR - Mack Chassis - Engine Brake Only Works With The Brake Pedal, No Function During Cruise. US07 And Newer Emissions, Model Year 2008 And Newer.
    • CBR 407 072025 Jul 17, 2025 · 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 2488 072025 Jul 28, 2025 · 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-561 202503 Mar 6, 2025 · 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
    • CBR-407 202409 Sep 13, 2024 · 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-561 202408 Aug 13, 2024 · Service Bulletin/Repair Instructions
      CBR: 11L, 13L, And 16L Engine Oil Analysis Specifications - US10 And Newer Emissions
    • CBR-2383 202406 Jun 19, 2024 · Service Bulletin/Repair Instructions
      CBR - Accelerator Pedal: Inspection Instructions
    • CBR-2139 202405 May 2, 2024 · 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 reso…
    • CBR-2350 202402 Feb 21, 2024 · Service Bulletin/Repair Instructions
      CBR -Telematics Gateway (TGW) Connect Ability Issues
    • CBR-2347 202402 Feb 16, 2024 · Service Bulletin/Repair Instructions
      CBR - Active "Set Park Brake" Message On Drivers Information Display (DID).
    • CBR-202 202402 Feb 16, 2024 · Service Bulletin/Repair Instructions
      CBR - Automated Manual Transmission ( AMT ) Flywheel Pilot Bearing Wear On Input Shaft.
    • M-465-001 202311 Nov 7, 2023 · 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 ne…
    • M728-005A 202308 Aug 14, 2023 · Service Bulletin/Repair Instructions
      TSB: Barksdale Leveling Valve, Leak Test
    • SLM23-005 May 31, 2023 · Service Bulletin/Repair Instructions
      Service Literature Published and Released in May, 2023
    • KC-474-Ver5 May 2, 2023 · Service Bulletin/Repair Instructions
      CBR: Diagnostic Trouble Code (DTC) P215A-64, Fault Code SPN 84 FMI 19
    • KC-614-Ver4 May 24, 2023 · Service Bulletin/Repair Instructions
      CBR: eWarranty To UCHP Labor Code ( SCC Code ) Crossover, Conversion Information For Use With Campaigns ( FI, PI ) And Recalls ( EC, SC ), Location On Trucks Dealer Portal ( TDP )
    • M-170-003 Apr 18, 2023 · Service Bulletin/Repair Instructions
      TSB: Vibration Diagnostics
    • M-170-002 Apr 18, 2023 · Service Bulletin/Repair Instructions
      TSB: New Vehicle Safety Certification Requirements for Vehicles, U.S. and Canada
    • S7627 Feb 28, 2023 · Service Bulletin/Repair Instructions
      Mack MMD Alternator Pulley
    • KC-2165 Feb 10, 2023 · Service Bulletin/Repair Instructions
      Mack DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions
    • KC-2248 Feb 21, 2023 · Service Bulletin/Repair Instructions
      Flywheel Housing Thread Repair
    • M-728-001 Sep 22, 2022 · Service Bulletin/Repair Instructions
      2008 Document reformatted to be published as a TSB in Impact. Air suspension ride height.
    • M-823-002 Sep 21, 2022 · Service Bulletin/Repair Instructions
      2008 Document reformatted to be published as a TSB in Impact. Grille bar, replacment.
    • M-258-000 Sep 21, 2022 · Service Bulletin/Repair Instructions
      2008 Document reformatted to be published as a TSB in Impact. Water entering the DPF.
    • M-390-001 Sep 15, 2022 · Service Bulletin/Repair Instructions
      2008 Document reformatted to be published as a TSB in Impact. Electrical equipment panel label.
    • M-258-011 Sep 15, 2022 · Service Bulletin/Repair Instructions
      2008 Document reformatted to be published as a TSB in Impact. Differential pressure sensor hose.
    • M-851-001 Sep 15, 2022 · Service Bulletin/Repair Instructions
      2008 Document reformatted to be published as a TSB in Impact. Crack in cab at engine tunnel.
    • M-222-001 Sep 15, 2022 · Service Bulletin/Repair Instructions
      2008 Document reformatted to be published as a TSB in Impact. Loose oil filter spud.
    • M-260-001 Sep 15, 2022 · Service Bulletin/Repair Instructions
      2008 Document reformatted to be published as a TSB in Impact. Cooling system connections.
    • M-721-004 Sep 15, 2022 · Service Bulletin/Repair Instructions
      2008 Document reformatted to be published as a TSB in Impact. Chassis lean.
    • M-801-001 Sep 15, 2022 · Service Bulletin/Repair Instructions
      2008 Document reformatted to be published as a TSB in Impact. Paint protection.
    • M-563-001 Sep 15, 2022 · Service Bulletin/Repair Instructions
      2008 Document reformated to be published as a TSB in Impact. Field repair for the treadle valve.
    • M-374-001 Sep 15, 2022 · Service Bulletin/Repair Instructions
      2008 Document reformated to be published as a TSB in Impact. Revised battery ti battery cable
    • M-265-002 Sep 22, 2022 · Service Bulletin/Repair Instructions
      TSB-Charge Air Cooler t-clamp install.
    • M-255-016 Aug 19, 2022 · Service Bulletin/Repair Instructions
      2009 Document reformatted to be published as a TSB in Impact. Turbo Actuator Connector Repair.
    • M-451-002 Aug 6, 2022 · Service Bulletin/Repair Instructions
      2009 Document reformatted to be published as a TSB in Impact. Axle Carrier Pinion Angles
    • M-561-001 Aug 6, 2022 · Service Bulletin/Repair Instructions
      2009 Document reformated to be published as a TSB in Impact. Air Piping Diagrams.
    • KC-2112 Jun 21, 2022 · Service Bulletin/Repair Instructions
      Programming Failure - Chassis With Cummins Engine And An Allison Transmission
    • KC-2116 Jun 3, 2022 · Service Bulletin/Repair Instructions
      NOx Sensor Troubleshooting Guide - US10+OBD13 And Newer Emissions.
    • KC-2143 Jun 21, 2022 · Service Bulletin/Repair Instructions
      (Back Office) - Cruise Control Inoperative After Updating Software VECU5 Without ESP Package (UESP).
    • KC-2158 Jun 3, 2022 · Service Bulletin/Repair Instructions
      Selective Catalytic Reduction (SCR) Muffler Troubleshooting Guide - US10+OBD13 And Newer Emissions.
    • KC-2165 Jun 3, 2022 · Service Bulletin/Repair Instructions
      DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions.
    • KC-405 Jun 21, 2022 · Service Bulletin/Repair Instructions
      Warranty Automated Manual Transmission ( AMT, I-Shift, mDrive ) Control Housing Assembly; Guidelines For Filing A Claim For Chassis Return Visit With Transmission Issues After A Repair Requiring Control Housing Removal And Reinstallation - US07 And N.
    • KC-735 Jun 6, 2022 · Service Bulletin/Repair Instructions
      Premium Tech Tool (PTT) - Message For Data Mismatch, Product Configuration Mismatch; Instruction To Run An Accessory Kit Displayed When Attempting To Run Diagnostics For Diagnostic Trouble Codes (DTC) Or Programming - US10+OBD13 And Newer Emissions,
    • KC-745 Jun 22, 2022 · Service Bulletin/Repair Instructions
      Automated Manual Transmission ( AMT ) I-Shift / mDRIVE - Ribbon Harness Replacement - Speed Sensor Bolts, Possible Fault Codes P1058 - 21 Or MID 130 PID 161 FMI 1
    • KC-750 Jun 28, 2022 · Service Bulletin/Repair Instructions
      US10 Emission Engines - Diagnostic Trouble Code ( DTC ) SPN 1231 FMI 9 Troubleshooting.
    • KC-751 Jun 28, 2022 · Service Bulletin/Repair Instructions
      Vehicles Equipped With An Automated Manual Transmission Model D or F ( 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.
    • KC-663 May 18, 2022 · Service Bulletin/Repair Instructions
      Emcon (Spark Assist) Engine Aftertreatment System Troubleshooting Check Sheet - US07 Emissions
    • KC-653 May 17, 2022 · Service Bulletin/Repair Instructions
      Low Oil Pressure Diagnostic Process For 11 Liter Engines
    • KC-644 May 17, 2022 · Service Bulletin/Repair Instructions
      Manual Compression Test Adapter For Engines With Stainless Steel Injector Sleeves (Conical Tip Injectors) - US07 And Newer Emissions, Model Year 2008 And Newer
    • KC-630 May 9, 2022 · Service Bulletin/Repair Instructions
      Sensor And Parameter Value Monitor - Template Parameter List For Pre-OBD (9-Pin Diagnostic Connector) Chassis In Premium Tech Tool ( PTT ); Regeneration And Road Test Sensor Monitor Parameters - US07 And US10 Emissions, Model Years 2008 To 2013
    • KC-627 May 9, 2022 · Service Bulletin/Repair Instructions
      Premium Tech Tool ( PTT ) Training Materials And Support Tools
    • KC-2172 May 16, 2022 · Service Bulletin/Repair Instructions
      No Start Condition After Over The Air Programing - VECU5 No Start "Safe State"
    • KC-2171 May 26, 2022 · Service Bulletin/Repair Instructions
      Temperature Sensor Troubleshooting Guide - US10+OBD13 And Newer
    • KC-2170 May 16, 2022 · Service Bulletin/Repair Instructions
      Electronically Controlled Suspension (ECS) Losing Air Pressure
    • KC-2169 May 16, 2022 · Service Bulletin/Repair Instructions
      Low Voltage Disconnect (LVD), Function Description
    • KC-2165 May 26, 2022 · Service Bulletin/Repair Instructions
      DEF Pump Troubleshooting Guide - US10+OBD13 And Newer Emissions
    • KC-2161 May 13, 2022 · Service Bulletin/Repair Instructions
      DEF Pump Cycling periodically Hours After Key Off
    Source: NHTSA manufacturer communications files.