AutoStatsIQ
Data through Oct 2026
Model year

2011 Mack CHU

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

Recalls (0)Complaints (0)Investigations (0)Bulletins (157)
Recall campaigns covering this model year0No recall campaign lists this model year
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 CHU 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

No recall campaign lists the 2011 Mack CHU

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

Source: NHTSA ODI recalls file.
Look up a VIN at NHTSA
Owner complaints

What owners reported about the 2011 Mack CHU

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.
    All investigations
    Service bulletins

    157 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 2246-5 032026 Mar 2, 2026 · Service Bulletin/Repair Instructions
      CBR - Z Spring Bracket Wear.
    • 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 2464-1 202505 May 1, 2025 · Service Bulletin/Repair Instructions
      Mack Chassis - Rear Axle Overheat
    • CBR 170-8 202505 May 28, 2025 · 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-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-343 202408 Aug 28, 2024 · Service Bulletin/Repair Instructions
      CBR: Mack chassis with an mDRIVE transmission, there have been reports of complete shift assemblies and TECUs being replaced due to technicians being unable to pinpoint the source of the air leak.
    • CBR-2383 202406 Jun 19, 2024 · Service Bulletin/Repair Instructions
      CBR - Accelerator Pedal: Inspection Instructions
    • 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
    • M-141-001 202308 Aug 18, 2023 · Service Bulletin/Repair Instructions
      TSB: Air Restriction Indicator
    • 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-170-001 Apr 18, 2023 · Service Bulletin/Repair Instructions
      TSB: Stock Vehicle Storage and Maintenance
    • 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-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-411-001 Sep 21, 2022 · Service Bulletin/Repair Instructions
      2008 Document reformatted to be published as a TSB in Impact. Two-Piece clutch brake.
    • M-874-002 Sep 21, 2022 · Service Bulletin/Repair Instructions
      2008 Document reformatted to be published as a TSB in Impact. HVAC fine particulate filter.
    • M-846-004 Sep 15, 2022 · Service Bulletin/Repair Instructions
      2008 Document reformatted to be published as a TSB in Impact. Fender mounted mirror washer kit.
    • M-252-002 Sep 15, 2022 · Service Bulletin/Repair Instructions
      2008 Document reformatted to be published as a TSB in Impact. DPF outlet pipe heat shield.
    • 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-801-001 Sep 15, 2022 · Service Bulletin/Repair Instructions
      2008 Document reformatted to be published as a TSB in Impact. Paint protection.
    • 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-451-001 Aug 6, 2022 · Service Bulletin/Repair Instructions
      2007 Document reformatted to be published as a TSB in Impact. Updated Crossmember for improved clearance.
    • M-711-002 Aug 6, 2022 · Service Bulletin/Repair Instructions
      2008 Document reformated to be published as a TSB in Impact. Frame reinforcement plate.
    • M-711-001 Aug 6, 2022 · Service Bulletin/Repair Instructions
      2008 Document reformatted to be published as a TSB in Impact. Rear Suspension Repair.
    • 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
    Source: NHTSA manufacturer communications files.
    About service bulletins